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Environmental Permit Noise Impact Assessments

Environmental permits have conditions that require operators to control pollution – this includes controlling noise and vibration.

Expert Noise Assessments | Planning & Permit Experts

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Environmental Permit Noise Impact Assessments

Expert acoustic consultancy, delivered across the UK.

An environmental permit noise impact assessment is a technical assessment of the noise generated by a regulated facility — such as an industrial site, waste management operation, or energy installation — carried out to support an environmental permit application or variation under the Environmental Permitting (England and Wales) Regulations 2016. NOVA Acoustics produces these assessments in accordance with BS 4142 and Environment Agency H1 / MID guidance.

Simple, fast & fully managed

Request a quote

Confirm your survey date

On-site assessment

Rapid Report

Submit to decision maker

What our clients have to say

“I plucked this company out of the air and I am so glad I did. Jaime has been most helpful and produced a report within a short time scale. The service has been first class and I have absolutely no hesitation in recommending NOVA acoustics.”

– Arnot Wilson

“We commissioned NOVA to conduct a sound test at our new house. From the get go Adam was incredibly helpful and knowledgeable. It is rare to meet professionals like that, who also go above and beyond to help and guide you through the process.”

– Na’ama Zisser

“The engineer who conducted the testing was friendly, professional and incredibly thorough. Overall I would say that NOVA provided an outstanding service from start to finish and I would not hesitate to recommend them.”

– Joe Bentley

“Really pleased with the service received from NOVA Acoustics on a recent noise risk assessment of our production room. The engineer Tom was great throughout and the report was clear and has made managing our noise control measures simple and effective.”

– Daniel Pontin

“NOVA Acoustics have been beyond helpful. Super speedy response and excellent communication. The noise impact assessment has been completed at a very fair price, and I’m really happy I chose NOVA Acoustics for the job.”

– Kelly Creates

“I used NOVA for acoustic reports for a project I’m working on converting retail units to residential, they was prompt, informative and well priced. I wouldn’t hesitate to use them again.”

– Peter Goldthorpe

“We have used NOVA Acoustics for a sound testing for installation of a new floor. Tom the engineer was very thorough, prompt and professional.”

– Anna Jóga

“Ryan and his team were very professional, installing monitoring equipment regarding a proposed planning application. We can definitely recommend NOVA Acoustics Ltd.”

– Pauline Whittle

HOW WE SUPPORT YOU

EA Ready Report

Fully Compliant

Clear Conclusions

Mitigation Advice

Jargon Free & Clear

Permit Approval Secured

Who We Work With

Waste & Recycling

Manufacturing

Energy & Power Generation

Quarrying & Mineral Processing

Agriculture & Anaerobic Digestion

Water & Wastewater

Trade accounts with benefits.

Access competitive trade pricing, dedicated project support, priority scheduling, and a single point of contact to help keep your projects running smoothly from enquiry through to completion.

Nationwide coverage. Local expertise.

Experienced specialists. UK-wide support.

With highly experienced specialists across the UK, we’re here to support your residential and commercial needs.

Why choose NOVA Acoustics?

What This Service Covers

Baseline noise survey at sensitive receptors near the permitted site

Noise impact assessment in accordance with BS 4142:2014+A1:2019 and the Environment

Pragmatic approach to assessing and managing noise emissions.

Mitigation advice where non-compliant (relocation, screening, enclosures)

Noise Management Plan development in line with Environment Agency guidance

Technical reporting suitable for submission with permit applications, plus optional support for technical meetings or design discussions

Environment Agency Noise Impact Assessments

The Environment Agency has a duty to regulate noise and vibration from certain industrial processes to protect and improve the environment, public health and wellbeing.

Any operator or permit applicant must consider the potential noise and vibration impact of their site. Noise impact assessments are required at the permit application stage, when applying to vary a permit and to comply with specific permit conditions. The environment agency will consider that if noise is audible at surrounding domestic and non domestic receptors there will be a possibility of causing impact. Where noise is possible causing impact then the operator or applicants assessment must determine the level of impact and what is requried to prevent and minimise noise pollution. NOVA Acoustics Ltd have assisted in supporting many permit applications, so please call to discuss your project.

What is involved in a noise impact assessment?

A good quality noise impact assessment will determine the existing level of noise (i.e. the baseline noise) at the closest receptors of the proposed development and predict the level of impact that the new proposal will have on this existing noise climate.

The specific type of noise impact assessment methodology will vary depending on the type of noise source that is of interest. However, a quality noise impact assessment will essentially involve measuring the existing noise climate that is associated with your development, as well as assessing the impact that the new proposal is likely to have on this climate. There are many different types of noise that can potentially impact on the surrounding area, including railway, aircraft, road traffic and industrial noise. NOVA Acoustics Ltd have years of experience aiding with all kinds of noise impact assessment and our work is always informed and undertaken to the latest Government legislation and guidance.

Statutory Nuisance vs. Permit Condition Noise

It’s worth understanding the distinction between noise addressed under an Environmental Permit and noise dealt with as a statutory nuisance under separate legislation. Noise conditions within an Environmental Permit are set and enforced by the Environment Agency as part of the permit itself, focused on preventing pollution from the regulated process.

Statutory nuisance, by contrast, is typically a matter for the local authority’s environmental health team and applies more broadly to noise that unreasonably interferes with the use or enjoyment of land, regardless of whether a permit is involved. A site can, in principle, be compliant with its permit conditions while still facing a statutory nuisance complaint, which is why a clear understanding of both frameworks is valuable.

What are Best Available Techniques (BAT)?

Best Available Techniques, or BAT, is the standard the Environment Agency expects permit holders to meet for controlling pollution from their process, including noise and vibration. It doesn’t necessarily mean installing the newest or most expensive equipment available.

It means demonstrating that the noise control measures in place for your site, whether that’s plant selection, enclosure design, operational scheduling, or specific attenuation measures, represent an effective and proportionate approach for an operation of your type and scale.

We conduct noise assessments for industrial and commercial sites—whether they are operational or still in the planning phase—provided we have sufficient detail about the proposed activities. If our assessment identifies excessive noise emissions, we offer expert guidance to help mitigate the issue. Our team has extensive experience delivering practical, cost-effective solutions across a range of sectors. These may include operational recommendations or the implementation of control measures such as attenuators, silencers, acoustic screens and enclosures.

These interventions have proven highly effective, enabling clients to meet regulatory requirements and operate successfully within their permitted noise thresholds. Many have gone on to secure environmental permits and maintain compliance through ongoing noise management strategies.

Because the scope of noise impact assessments can vary significantly depending on the nature of the site and its operations, we recommend contacting us directly to discuss your specific requirements. Our knowledgeable team will provide clear, actionable advice tailored to your project. Reach out via our contact form or give us a call to speak with one of our acoustic consultants.

Book your assessment.

Frequently Asked Questions

How much does an Environmental Permit noise impact assessment cost?

The cost can vary depending on the complexity of the site and the level of detail required. What’s typically included is noise modelling using specialist software such as SoundPlan to simulate site emissions, a noise management plan developed in line with Environment Agency guidance, a technical report suitable for submission with your permit application, and optional support for technical meetings or design discussions. Most assessments can begin within 2 to 4 weeks of instruction, depending on availability and project scope. Get in touch for a tailored quote based on your specific site or permit requirements.

What are the Environment Agency's guidelines on noise impact assessments?

The Environment Agency provides clear guidance on how noise should be assessed and managed when applying for or varying an environmental permit. You must carry out a noise impact assessment if your activity could cause noise pollution, identifying noise sources, measuring baseline levels, modelling predicted impacts, and comparing them against relevant standards such as BS 4142. If noise is likely to be an issue, you’ll also need to submit a noise management plan outlining mitigation strategies, monitoring procedures, and complaint response. This guidance aligns with the National Planning Policy Framework (NPPF) and the Noise Policy Statement for England (NPSE), which aim to avoid significant adverse impacts on health and quality of life. The Environment Agency may also require a vibration impact assessment where there’s a risk of vibration-related issues, and assessments should be proportionate to the scale and nature of the activity, based on robust, site-specific data.

Who is suitably qualified to submit noise impact assessments to the Environment Agency?

Noise Impact Assessments submitted to the Environment Agency must be prepared by individuals with appropriate technical expertise and professional standing in environmental acoustics, typically Chartered Engineers (CEng) with a specialism in acoustics or environmental noise, Members of the Institute of Acoustics (MIOA) or equivalent professional bodies, or consultants with demonstrable experience preparing these assessments in accordance with BS 4142:2014+A1:2019 and the Environment Agency’s Method Implementation Document (MID). The Environment Agency expects assessments to follow the BS 4142 methodology, be technically robust and clearly presented with site-specific data, modelling, and mitigation strategies, and may reject submissions not prepared by individuals with recognised qualifications or relevant experience.

How long does an Environmental Permit noise impact assessment take?

The duration depends on the complexity of the site, the type of assessment required, and access availability for survey work. On-site monitoring usually takes between a few hours and 48 hours, depending on whether attended or unattended monitoring is required. Data analysis and reporting typically takes 10 to 15 working days, including internal peer review. From initial instruction to final report delivery, most assessments are completed within 1 to 2 weeks, assuming no delays in access or weather conditions. Site access delays, adverse weather, and the complexity of the site can all affect timelines.

Why is the Environment Agency's Method Implementation Document (MID) important?

The MID is official guidance published by the Environment Agency, Natural Resources Wales, and the Northern Ireland Environment Agency, explaining how to correctly apply BS 4142:2014+A1:2019 when assessing industrial and commercial sound for environmental permitting purposes. It ensures consistent, high-quality noise assessments are submitted with permit applications, and clarifies how BS 4142 should be interpreted in regulatory contexts. Notably, the MID mandates that weather data must be measured on-site at 15-minute intervals during noise monitoring, third-party weather data is not acceptable. While BS 4142 is the formal standard, the MID is the Environment Agency’s regulatory interpretation and must be followed when submitting assessments for new or varied permits. Following the MID reduces the risk of delays, rejections, or enforcement action.

What is Best Available Techniques (BAT) for noise under an Environmental Permit?

MCS 020 compliance is the established route for demonstrating that a domestic air source heat pump meets permitted development noise requirements across England. While individual local authority approaches to enforcement can vary, having a documented MCS 020 calculation on file provides a clear record of compliance should it ever be requested.

How does an Environmental Permit noise assessment differ from a planning noise impact assessment?

What's the difference between noise covered by an Environmental Permit and a statutory nuisance complaint?

Noise conditions within an Environmental Permit are set and enforced by the Environment Agency as part of the permit itself, focused on preventing pollution from the regulated process. Statutory nuisance is typically a matter for the local authority’s environmental health team and applies more broadly to noise that unreasonably interferes with the use or enjoyment of land, regardless of whether a permit is involved. A site can, in principle, be compliant with its permit conditions while still facing a statutory nuisance complaint, which is why understanding both frameworks matters.

Where do you provide Environmental Permit noise impact assessments?

We support Environmental Permit noise impact assessments for operators across the UK, including; Leeds, Manchester, London, Birmingham, Nottingham, Liverpool, Cambridge, Newcastle, Sheffield, Bristol and Hull.

Recent Projects

Noise Impact Assessment for a Mixed-Use Sports and Leisure Development

Acoustic Consultancy and Design for RIBA Stages 3 and 4 for redevelopment to form a Hotel.

Acoustic Consultancy, Design & Testing for Zedwell Hotel, Manchester

Acoustic Consultancy and Design for RIBA Stages 3 and 4 for redevelopment to form a Hotel.

Acoustic Consultancy for a Library & Community Hub in Sheffield

Acoustic consultancy services a new build community hub and library in Sheffield.

Who we work with

IOA Members

Trade Accounts

Price Promise

Rapid Reports

Festival & Event Noise Monitoring

Monitoring noise during festivals and events is important to ensure your event doesn't impact any neighbouring residents or businesses and complies with any local authority requirements.

Pre-event Noise Assessment | Onsite Noise Monitoring

Projects in 2025

1725 +

Projects to date

14248 +

Get in Touch

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Festival & Event Noise Monitoring

Expert acoustic consultancy, delivered across the UK.

NOVA Acoustics provides noise monitoring services for festivals, outdoor events, concerts, and temporary licensed venues, measuring noise levels at residential receptors and producing reports to demonstrate compliance with local authority noise conditions and licensing requirements. Monitoring is carried out in line with the Pop Code and Noise from Pubs and Clubs Guide and applicable local authority event noise guidelines.

Simple, fast & fully managed

Request a quote

Confirm your survey date

On-site assessment

Rapid Report

Submit to decision maker

What our clients have to say

– Arnot Wilson

– Na’ama Zisser

– Joe Bentley

– Daniel Pontin

– Kelly Creates

“I used NOVA for acoustic reports for a project I’m working on converting retail units to residential, they was prompt, informative and well priced. I wouldn’t hesitate to use them again.”

– Peter Goldthorpe

“We have used NOVA Acoustics for a sound testing for installation of a new floor. Tom the engineer was very thorough, prompt and professional.”

– Anna Jóga

“Ryan and his team were very professional, installing monitoring equipment regarding a proposed planning application. We can definitely recommend NOVA Acoustics Ltd.”

– Pauline Whittle

HOW WE SUPPORT YOU

Pre- Assessment

Onsite Noise Monitoring

Exceedance Alerts

Complaints Management

Jargon Free & Clear

Compliant Events

Who We Work With

Music Festivals

Sports Stadiums

Outdoor Events

Preferential pricing via trade accounts.

Benefit from exclusive trade rates, priority scheduling, project coordination assistance, and a dedicated point of contact to help streamline delivery across every stage of your project.

Local presence. Nationwide capability.

Experienced specialists you can trust.

Our nationwide team combines technical expertise with practical industry experience, delivering reliable support for residential, commercial, and industrial projects of all sizes.

Why choose NOVA Acoustics?

What This Service Covers

Pre-event Music Noise Level (MNL) agreement based on the Pop Code, the Noise from Pubs and Clubs Guide, and local authority licence conditions

Pre-event sound system design and orientation advice, working with sound system suppliers to maximise on-site coverage while minimising off-site noise

Preparation of a noise management plan detailing predicted sound levels and monitoring locations

Real-time monitoring using Class 1 sound level meters with remote access during the event

Hire-only or fully managed service tiers, including attended monitoring and on-the-day complaint management

Post-event compliance reporting for submission to the local authority

Understanding the Pop Code & Music Noise Levels

The Pop Code is the informal name for the Noise Council’s Code of Practice on Environmental Noise Control at Concerts, published in 1995. While not legally binding, it sets out best practice for minimising the environmental impact of noise from concerts and outdoor events, and following it helps avoid the kinds of issues that can lead to breaches of relevant noise legislation.

The Pop Code sets out maximum permitted noise levels for events, known as Music Noise Levels (MNLs). An MNL is the LAeq of music or vocals measured over a 15-minute period at a position 1 metre from the facade of the nearest noise-sensitive premises.

Concert days per calendar year (per venue)

Venue type

Maximum permitted MNL

1 to 3 days

Urban stadium or arena

75 dB(A) LAeq over 15 minutes

1 to 3 days

Other urban or rural venue

65 dB(A) LAeq over 15 minutes

4 to 12 days

All venues

15 dB(A) above background noise level, over 15 minutes

Concert days per calendar year (per venue): 1 to 3 days

Venue type: Urban stadium or arena

Maximum permitted MNL: 75 dB(A) LAeq over 15 minutes

Concert days per calendar year (per venue): 1 to 3 days

Venue type: Other urban or rural venue

Maximum permitted MNL: 65 dB(A) LAeq over 15 minutes

Concert days per calendar year (per venue): 4 to 12 days

Venue type: All venues

Maximum permitted MNL: 15 dB(A) above background noise level, over 15 minutes

It’s worth noting that the position used to monitor and control sound during the event, typically at the mixer, is not the same as the position used to assess MNL compliance, which is 1 metre from the facade of the nearest affected premises.

Book your assessment.

Frequently Asked Questions

What is the Pop Code?

The Pop Code is the informal name for the Noise Council’s Code of Practice on Environmental Noise Control at Concerts, a 1995 guidance document developed by a working group of noise experts to help event organisers minimise the environmental impact of noise from concerts and outdoor events. Although not legally binding, following it helps reduce the risk of complaints and supports compliance with relevant noise legislation.

Why does good noise management matter at festivals and events?

Noise generates more complaints to local authorities than almost any other issue, and can quickly damage relationships with local residents and an event’s reputation. Glastonbury Festival, for example, was ordered to reduce its noise levels in 2019 following a record number of complaints. If a local authority upholds noise complaints, it can impose restrictions on future events, including limits on time and volume, or in extreme cases refuse a licence. Measuring, monitoring, and controlling noise also protects public health, since exposure to high noise levels, and low-frequency noise in particular, can contribute to sleep disturbance and related health issues.

What noise levels are permitted under the Pop Code?

The Pop Code sets Music Noise Levels (MNLs) measured 1 metre from the facade of the nearest noise-sensitive premises. For events running 1 to 3 days, the limit is 75 dB(A) LAeq over 15 minutes for urban stadiums or arenas, and 65 dB(A) LAeq over 15 minutes for other urban or rural venues. For events running 4 to 12 days, the limit is 15 dB(A) above the background noise level over 15 minutes, at all venues.

Where should festival noise levels be measured?

There are two relevant positions. The noise monitoring position, typically at the mixer, is where sound is monitored and controlled during the event itself. The compliance position for MNL purposes is 1 metre from the facade of the nearest noise-sensitive premises, which is where the Pop Code’s permitted noise levels apply.

What does the festival and event noise monitoring process involve?

The process involves placing specialised equipment both within the event area and at noise-sensitive locations around the site, alongside engaging with local residents before and during the event to understand their experience and address concerns early. We also evaluate and help control the sound system to keep noise within agreed limits. Monitoring is typically accompanied by a noise management plan, often required by the local authority for events where noise levels could be significant.

What types of festivals and events require noise monitoring?

Noise monitoring is relevant for any event featuring amplified music or entertainment, ranging from smaller events where evidence of monitoring at a single residential receptor may be sufficient, through to larger events with stringent daytime and night-time limits across multiple locations and specific frequency ranges. In all cases, monitoring complements the noise management plan to give local authorities confidence that the event won’t cause undue disturbance.

What's the difference between hire-only and fully managed event noise monitoring?

With a hire-only service, you receive monitoring equipment with automated reporting, suited to organisers who want to manage the process themselves. With a fully managed service, our consultants handle attended monitoring throughout the event, prepare the noise management plan and impact assessment, and proactively manage complaints on the day, giving a more hands-off option for larger or higher-risk events.

How early should festival or event noise monitoring be arranged?

Involving us early in the planning process allows us to work with sound system suppliers on system design and orientation to maximise on-site sound coverage while minimising off-site noise, and to prepare a noise management plan with predicted sound levels and monitoring locations well ahead of the event. This is particularly valuable for new event sites or larger multi-day festivals.

What areas do you provide coverage for festival and event noise monitoring?

We provide UK-wide coverage for festival and event noise monitoring, including Leeds, Manchester, London, Birmingham, Nottingham, Liverpool, Cambridge, Newcastle, Sheffield, Bristol, and Hull.

Recent Projects

Noise Impact Assessment for a Mixed-Use Sports and Leisure Development

Acoustic Consultancy and Design for RIBA Stages 3 and 4 for redevelopment to form a Hotel.

Acoustic Consultancy, Design & Testing for Zedwell Hotel, Manchester

Acoustic Consultancy and Design for RIBA Stages 3 and 4 for redevelopment to form a Hotel.

Acoustic Consultancy for a Library & Community Hub in Sheffield

Acoustic consultancy services a new build community hub and library in Sheffield.

Who we work with

IOA Members

Trade Accounts

Price Promise

Rapid Reports

MCS Noise Assessments

Are you installing a domestic air source heat pump and struggling with the MCS calculations? Let our team guide you through the process.

Domestic ASHP Assessments | Clear, Concise & Compliant

Projects in 2025

1725 +

Projects to date

14248 +

Get in Touch

Response within 1 working day

Services

MCS Noise Assessments

Expert acoustic consultancy, delivered across the UK.

An MCS noise assessment is a noise impact assessment carried out in accordance with MCS 020 to evaluate the acoustic effect of a proposed air source heat pump installation under permitted development rights. NOVA Acoustics produces MCS-compliant noise assessments for planning applications and Microgeneration Certification Scheme (MCS) accreditation submissions, covering background noise surveys, noise predictions, and compliance reporting against the relevant permitted development noise criteria.

Simple, fast & fully managed

Request a quote

Submit your technical details

Desktop assessment

Rapid Report

Submit to decision maker

What our clients have to say

– Arnot Wilson

– Na’ama Zisser

– Joe Bentley

– Daniel Pontin

– Kelly Creates

“I used NOVA for acoustic reports for a project I’m working on converting retail units to residential, they was prompt, informative and well priced. I wouldn’t hesitate to use them again.”

– Peter Goldthorpe

“We have used NOVA Acoustics for a sound testing for installation of a new floor. Tom the engineer was very thorough, prompt and professional.”

– Anna Jóga

“Ryan and his team were very professional, installing monitoring equipment regarding a proposed planning application. We can definitely recommend NOVA Acoustics Ltd.”

– Pauline Whittle

HOW WE SUPPORT YOU

Planning Ready Report

Fully Compliant

Clear Conclusions

Mitigation Advice

Jargon Free & Clear

Planning Approval Secured

Who We Work With

House Builders

Property Developers

Architects & Contractors

Homeowners

Project Managers

Housing Associations

Trade accounts with preferential pricing.

Access competitive trade pricing, dedicated project support, priority scheduling, and a single point of contact to help keep your projects running smoothly from enquiry through to completion.

Local expertise. Nationwide reach.

Experienced specialists. Nationwide support.

With highly experienced specialists across the UK, we’re here to support your residential and commercial needs.

Why choose NOVA Acoustics?

What This Service Covers

Desktop MCS 020 calculation using manufacturer sound power data

Site-specific distance and screening analysis

Pass/fail determination against the MCS 020 permitted development noise limit

Mitigation advice where non-compliant (relocation, screening, enclosures)

Escalation to a full BS4142:2014 noise impact assessment where required

Liaison with installers and homeowners on technical queries

How an MCS 020 Noise Assessment Works

Before an air source heat pump can be installed under permitted development rights, the proposed installation needs to demonstrate compliance with the MCS 020 noise calculation procedure. The process works through a small number of clear stages.

First, we gather the details of the proposed installation, including the manufacturer’s sound power level data for the unit, its proposed location, and its distance to the boundary of the nearest neighbouring property. Second, we run the MCS 020 desktop calculation, which determines the predicted noise level at the assessment point against the permitted development noise limit. Third, we provide a clear pass or fail result, along with a written record of the calculation suitable for submission to your local authority if requested.

Where the calculation shows a fail, we don’t stop there. We work through the mitigation options set out in the MCS 020 guidance to find a route to compliance that fits your project and budget.

Book your assessment.

Frequently Asked Questions

What If My Installation Doesn't Pass MCS 020?

A failed MCS 020 calculation is common and rarely means the end of the project. The most frequent reasons an installation doesn’t meet the noise limit on first calculation include the unit being positioned too close to a neighbouring boundary, the selected heat pump model having a higher sound power output than the space allows for, or there being no barrier or screening between the unit and the nearest receptor.

Once we know why an installation doesn’t pass, we can usually identify a workable solution. This might involve relocating the unit to a position further from the boundary, selecting a quieter model with a lower sound power level, or introducing acoustic screening or an enclosure around the unit. In many cases, a combination of small adjustments is enough to bring the installation within the MCS 020 limit without significant cost or disruption to the project.

If none of these options bring the installation into compliance, the next step is a full noise impact assessment in accordance with BS4142:2014, which allows for a more detailed, site-specific assessment than the MCS 020 desktop method.

Who Needs an MCS 020 Assessment?

MCS 020 noise assessments are most commonly needed by:

Homeowners installing a domestic air source heat pump under permitted development, who need to confirm compliance before installation begins
MCS-certified installers and contractors who want a second opinion on a borderline calculation, or who would prefer to hand the calculation over to a specialist
Developers and self-builders incorporating air source heat pumps into new dwellings, where multiple units and tighter site boundaries can make compliance more complex
Architects and designers specifying heat pump locations at an early design stage, where an MCS 020 check can avoid costly repositioning later

Where We Provide MCS Noise Assessments

We provide MCS 020 noise assessments for domestic air source heat pump installations across our regional offices, including Leeds, Manchester, London, Birmingham, Nottingham, Liverpool, Cambridge, Newcastle, Sheffield, Bristol, and Hull.

What is an MCS 020 noise assessment and do I need one?

An MCS 020 noise assessment is a desktop calculation used to check whether a proposed domestic air source heat pump installation meets the noise limit set out under permitted development rights. If you’re installing an ASHP without applying for full planning permission, MCS 020 compliance is what allows the installation to proceed under permitted development. Most homeowners and installers will need this check completed before installation.

How much does an MCS noise assessment cost?

Costs vary depending on the complexity of the site and whether additional mitigation advice is required, but MCS 020 desktop assessments are one of the more affordable acoustic services we offer, reflecting the fact that they’re a calculation-based check rather than a full site survey. Get in touch with our team for a quote specific to your installation.

What information do I need to provide for an MCS 020 calculation?

We’ll need the manufacturer’s technical specification for the proposed heat pump (specifically its sound power level), the proposed installation location, and the distance from that location to the boundary of the nearest neighbouring property. A site plan or sketch showing these distances is helpful, as is any information on existing screening, fencing, or walls near the unit.

What happens if my heat pump fails the MCS 020 assessment?

A failed calculation isn’t the end of the road. We’ll talk you through the mitigation options set out in the MCS 020 guidance, which typically include relocating the unit further from the boundary, selecting a quieter model, or adding acoustic screening. In most cases, one of these options brings the installation within the required limit. If not, we can move on to a full BS4142:2014 assessment.

Can I install an air source heat pump without an MCS noise assessment?

If you’re relying on permitted development rights rather than applying for planning permission, MCS 020 compliance is the mechanism that demonstrates your installation meets the relevant noise requirements. Skipping this step risks the installation being non-compliant, which could create issues if a neighbour raises a complaint or if the local authority later reviews the installation.

What's the difference between an MCS 020 assessment and a BS4142 noise impact assessment?

MCS 020 is a desktop calculation method specifically designed for domestic air source heat pumps under permitted development, using standardised inputs and a fixed noise limit. BS4142:2014 is a more detailed, site-specific noise impact assessment methodology used for a much wider range of fixed plant and industrial noise sources, and typically involves on-site measurement of background sound levels. If an installation can’t achieve MCS 020 compliance, a BS4142 assessment provides a more thorough route to demonstrating acceptability.

How long does an MCS noise assessment take?

As a desktop calculation, an MCS 020 assessment is typically one of our quickest turnarounds, often completed within a few working days of receiving the required information. If mitigation options need to be explored, this may add a little time, but the process remains significantly faster than a full site-based noise impact assessment.

Do all UK local authorities require MCS 020 compliance for permitted development heat pump installations?

Recent Projects

Noise Impact Assessment for a Mixed-Use Sports and Leisure Development

Acoustic Consultancy and Design for RIBA Stages 3 and 4 for redevelopment to form a Hotel.

Acoustic Consultancy, Design & Testing for Zedwell Hotel, Manchester

Acoustic Consultancy and Design for RIBA Stages 3 and 4 for redevelopment to form a Hotel.

Acoustic Consultancy for a Library & Community Hub in Sheffield

Acoustic consultancy services a new build community hub and library in Sheffield.

Who we work with

IOA Members

Trade Accounts

Price Promise

Rapid Reports

Acoustic Expert Witness Services

Strengthen your case with independent, expert acoustic evidence, impartial technical advice and clear reports that stand up to scrutiny in planning and regulatory proceedings.

Planning Appeal Support | Independent Expert Evidence

Projects in 2025

1725 +

Projects to date

14248 +

Get in Touch

Response within 1 working day

Services

Acoustic Expert Witness Services

Expert acoustic consultancy, delivered across the UK.

An acoustic expert witness is an independent acoustic consultant who provides impartial technical evidence for planning appeals, planning inquiries and other planning-related disputes involving noise, vibration and acoustics. NOVA Acoustics prepares independent expert reports, technical evidence and proof of evidence to support developers, planning consultants, local authorities and legal teams throughout the planning appeal process across the UK.

Simple, fast & fully managed

Request a quote

Confirm your survey date

On-site assessment

Rapid Report

Submit to decision maker

What our clients have to say

– Arnot Wilson

– Na’ama Zisser

– Joe Bentley

– Daniel Pontin

– Kelly Creates

“I used NOVA for acoustic reports for a project I’m working on converting retail units to residential, they was prompt, informative and well priced. I wouldn’t hesitate to use them again.”

– Peter Goldthorpe

“We have used NOVA Acoustics for a sound testing for installation of a new floor. Tom the engineer was very thorough, prompt and professional.”

– Anna Jóga

“Ryan and his team were very professional, installing monitoring equipment regarding a proposed planning application. We can definitely recommend NOVA Acoustics Ltd.”

– Pauline Whittle

How we support you

Expert Advice

Specialist Knowledge

Clear Conclusions

Impartial Advice

Pragmatic Solutions

End to End Support

Who We Work With

Construction & Demolition Sites

Manufacturing & Industrial

Energy & Utilities

Data Centres & Plant Installations

Waste & Recycling

Infrastructure & Civil Engineering

A wide range of independent expert witness

Our acoustic consultants offer services for issues related to licensing, permitting, planning disputes, and statutory nuisance.

Our highly respected experts span various specialist disciplines in acoustics, ensuring the right expert is selected for each specific case. We are dedicated to providing robust evidence, critical analysis, and clear, understandable reports.

Our expert witness services include providing clear and objective technical reviews of disputes, detailed reports on the technical strengths and weaknesses of claims, and steps to achieve best practices. Effective evidence and clear communication are key to resolving nuisance issues successfully.

Our expert services include assisting with...

Supporting Local Planning Authorities in providing an expert opinion on acoustic reports submitted to support planning applications.
Providing comprehensive technical audits of acoustic reports for planning, licensing or permitting.
Support with statutory nuisance cases.
Support through planning enquiries, hearings and appeals.
Tackling the Agent of Change
Disputes related to compliance with Approved Document E of the Building Regulations.

Book your assessment.

Frequently Asked Questions

What is an acoustic expert witness?

An acoustic expert witness is a qualified acoustics professional who provides independent technical evidence in planning appeals, mediations, and hearings involving noise, vibration, sound insulation, or acoustic performance issues. Their role is to provide impartial, evidence-based opinions on technical acoustic matters.

When might I need an acoustic expert witness?

You may require an acoustic expert witness if you are involved in a dispute relating to noise nuisance, industrial noise, planning conditions, sound insulation failures, vibration impacts, workplace noise exposure, entertainment noise, or building acoustic performance.

What is the difference between an acoustic consultant and an acoustic expert witness?

An acoustic consultant typically provides advice, design guidance, and compliance assessments for projects. An acoustic expert witness, provides independent technical evidence for planning or licencsing hearings and appeals and has an overriding duty to the decision-making body rather than the instructing party.

Noise & Acoustic Investigations

Can you investigate noise nuisance complaints?

Yes. We can carry out detailed acoustic assessments to investigate allegations of noise nuisance, identify potential sources, assess impacts, and provide independent professional opinions supported by measurement data and industry guidance.

Can you assess commercial and industrial noise disputes?

Yes. We regularly investigate noise issues associated with industrial facilities, manufacturing operations, plant equipment, commercial premises, entertainment venues, and mixed-use developments.

Can you provide retrospective acoustic assessments?

Yes. We can be instructed by claimants, defendants, solicitors, developers, local authorities, businesses, insurers, and private individuals. Our role remains independent and impartial regardless of who provides the instruction.

Can you review another expert’s acoustic report?

Yes. Where required, we can attend planning hearings, mediations, planning inquiries, and other proceedings to explain our findings and provide expert testimony.

Planning & Development

Can you provide expert witness services for planning appeals?

Yes. We can prepare and present acoustic evidence for planning appeals, public inquiries, licensing hearings, and development disputes where noise or vibration considerations form part of the decision-making process.

Can you assist with disputes relating to planning conditions?

Yes. We can assess compliance with planning conditions, review acoustic mitigation measures, and provide expert evidence where planning-related noise issues are being challenged or defended.Yes. We regularly investigate noise issues associated with industrial facilities, manufacturing operations, plant equipment, commercial premises, entertainment venues, and mixed-use developments.

Can you assess development-related noise and vibration impacts?

Yes. We can investigate concerns relating to construction activities, transport noise, mechanical services, industrial developments, and other sources that may affect neighbouring properties or communities.

Working With NOVA Acoustics

What information is needed to begin an expert witness instruction?

Typically, we will require details of the dispute together with any relevant reports, correspondence, plans, photographs, monitoring data, legal documentation, or other supporting evidence. We can then advise on the appropriate scope of work.

How early should an acoustic expert witness be instructed?

It is generally beneficial to involve an expert witness as early as possible. Early involvement can help identify key technical issues, shape the scope of investigations, and provide valuable support throughout the dispute resolution process.Yes — we can advise on:

Monitoring locations
Threshold limits
Compliance requirements
Reporting formats

We can also liaise with local authorities to agree the monitoring approach.

How do I instruct NOVA Acoustics as an expert witness?

We provide:

Real-time, cloud-based monitoring systems
Fast installation and flexible solutions
Clear, actionable data and reporting
Full support from experienced consultants

Our focus is on helping you stay compliant and keep your project moving.

Do you work throughout the UK?

Yes. NOVA Acoustics provides acoustic expert witness services across the UK, supporting clients in residential, commercial, industrial, education, healthcare, and public sector environments.

Recent Projects

Noise Impact Assessment for a Mixed-Use Sports and Leisure Development

Acoustic Consultancy and Design for RIBA Stages 3 and 4 for redevelopment to form a Hotel.

Acoustic Consultancy, Design & Testing for Zedwell Hotel, Manchester

Acoustic Consultancy and Design for RIBA Stages 3 and 4 for redevelopment to form a Hotel.

Acoustic Consultancy for a Library & Community Hub in Sheffield

Acoustic consultancy services a new build community hub and library in Sheffield.

Who we work with

IOA Members

Trade Accounts

Price Promise

Rapid Reports

Noise, Vibration & Dust Monitoring

Protect your project from complaints, delays, and enforcement action with real-time monitoring you can rely on.

Nationwide installation & support | Real-time alerts & reporting

Projects in 2025

1725 +

Projects to date

14248 +

Get in Touch

Response within 1 working day

Services

Noise, Vibration & Dust Monitoring

Expert acoustic consultancy, delivered across the UK.

Noise, vibration and dust monitoring is the continuous measurement of environmental conditions to demonstrate compliance with planning conditions, environmental permits and construction management requirements. NOVA Acoustics provides real-time noise, vibration and dust monitoring for construction, demolition, infrastructure and industrial projects, delivering fully managed monitoring systems, automated alerts and regulatory reporting in accordance with BS 5228, BS 7385, BS 6472 and recognised air quality monitoring guidance to help clients minimise complaints, reduce project risk and maintain compliance across the UK.

Simple, fast & fully managed

Request a quote

Confirm your survey date

On-site assessment

Rapid Report

Submit to decision maker

What our clients have to say

– Arnot Wilson

– Na’ama Zisser

– Joe Bentley

– Daniel Pontin

– Kelly Creates

“I used NOVA for acoustic reports for a project I’m working on converting retail units to residential, they was prompt, informative and well priced. I wouldn’t hesitate to use them again.”

– Peter Goldthorpe

“We have used NOVA Acoustics for a sound testing for installation of a new floor. Tom the engineer was very thorough, prompt and professional.”

– Anna Jóga

“Ryan and his team were very professional, installing monitoring equipment regarding a proposed planning application. We can definitely recommend NOVA Acoustics Ltd.”

– Pauline Whittle

Noise, Vibration & Dust Monitoring Services

Noise Monitoring

Vibration Monitoring

Dust Monitoring

Fixed or Solar Power

Web Portal & Realtime Access

Fully Compliant Solutions

Who We Work With

Construction & Demolition Sites

Manufacturing & Industrial

Energy & Utilities

Data Centres & Plant Installations

Waste & Recycling

Infrastructure & Civil Engineering

Trade accounts with
preferential pricing.

Preferential pricing for ongoing projects, project coordination support, priority scheduling and dedicated contact.

Local expertise. Nationwide coverage.

Avoid complaints maintain compliance.

Monitoring noise, vibration, and dust near sensitive receptors is crucial to avoid complaints or action from the Local Authority. It helps keep your projects running smoothly and your neighbours happy.

Fully compliant monitoring solutions.

Book your assessment.

Frequently Asked Questions

Do I actually need noise, vibration or dust monitoring?

In many cases, yes — especially for construction, demolition, or industrial projects near residential or sensitive areas. Local authorities increasingly require monitoring as part of planning conditions or environmental permits.

Even when it’s not explicitly required, monitoring is often essential to protect your project. Without it, you risk complaints, enforcement action, or even stop notices if issues arise. Monitoring provides real-time evidence and control, helping you demonstrate compliance and avoid unnecessary disruption.

When is monitoring required?

Monitoring is typically required when:

Planning conditions specify noise, vibration, or dust limits
Your site is near residential properties, schools, or hospitals
You are carrying out high-impact activities (e.g. piling, demolition)
You are applying for Section 61 consent or similar approvals

Many projects now require continuous monitoring and reporting, not just one-off surveys, to demonstrate ongoing compliance.

What happens if I don’t install monitoring?

Without monitoring, you may:

Breach planning conditions without realising
Receive complaints from nearby residents
Face enforcement action from the local authority
Experience delays or project shutdowns

Monitoring acts as your early warning system, allowing you to identify and resolve issues before they escalate.

Is monitoring only needed for large projects?

No — even smaller projects can require monitoring if they are close to sensitive receptors or involve noisy or disruptive activities.

Local authorities focus more on impact and location than project size, so even short-term works can require monitoring depending on the risk.

Compliance, Risk & Regulations

How does monitoring help with compliance?

Monitoring provides continuous data showing that your site is operating within permitted limits. This is essential for demonstrating compliance with planning conditions and environmental regulations.

It allows you to:

Prove compliance to local authorities
Maintain records for audits or inspections
Respond quickly to complaints with evidence

This is particularly important under regulations such as the Control of Pollution Act and BS 5228 guidance.

What happens if limits are exceeded?

If thresholds are exceeded, monitoring systems can trigger instant alerts via SMS or email, allowing you to take immediate action.

This might involve:

Adjusting site activities
Investigating the source of the issue
Implementing mitigation measures

The key benefit is that you can respond before it becomes a complaint or enforcement issue.

Can monitoring help prevent complaints?

Yes — monitoring is one of the most effective ways to prevent complaints.

By tracking noise, vibration, and dust levels in real time, you can identify potential issues early and address them proactively. This helps maintain good relationships with neighbours and reduces the risk of disputes or formal complaints.

Will monitoring satisfy local authority requirements?

Yes — when properly implemented, monitoring systems provide the data and reporting required by local authorities.

We can also liaise directly with environmental health officers to agree monitoring strategies, ensuring your setup meets all requirements from the outset.

Types of Monitoring

What is noise monitoring?

Noise monitoring involves measuring sound levels on your site to ensure they remain within permitted limits.

It helps:

Prevent disturbance to nearby residents
Demonstrate compliance with planning conditions
Avoid complaints and enforcement action

Modern systems provide continuous, real-time monitoring, giving you full visibility of site noise levels.

What is vibration monitoring?

Vibration monitoring measures ground or structural movement caused by activities such as piling, demolition, or heavy machinery.

It is used to:

Protect nearby buildings from damage
Ensure compliance with standards such as BS 7385
Provide reassurance to stakeholders and neighbours

What is dust monitoring?

Dust monitoring measures airborne particles (e.g. PM10, PM2.5) to assess air quality around your site.

It helps:

Protect public health and nearby properties
Comply with environmental regulations
Prevent complaints related to dust emissions

Can all three be monitored together?

Yes — most projects benefit from a combined monitoring approach covering noise, vibration, and dust.

This provides a complete picture of your site’s environmental impact, ensuring nothing is missed and simplifying compliance.

Technology & Data

Will I be able to see the data?

Yes — you’ll have access to a secure online platform where you can view real-time data, historical trends, and reports.

Data can also be displayed on a customisable website or dashboard, making it easy to share with stakeholders if required.

Do I get alerts if something goes wrong?

Yes — systems can be configured with threshold limits that trigger instant alerts via SMS or email.

This allows you to respond immediately and prevent issues from escalating.

Is the monitoring data reliable?

Yes — monitoring systems use high-accuracy equipment compliant with recognised standards (e.g. Class 1 sound level meters).

This ensures your data is robust, defensible, and suitable for regulatory use.

Can monitoring systems run without mains power?

Yes — systems can operate using:

240V or 110V power
Battery power
Solar power

This flexibility allows monitoring to be deployed on virtually any site.

Timescales & Setup

How quickly can monitoring be installed?

Monitoring systems can typically be installed within a few days, depending on site access and requirements.

For urgent projects, rapid deployment is often available to ensure compliance from the earliest stages of work.

How long does monitoring stay in place?

Monitoring duration is flexible and can be tailored to your project, including:

Short-term monitoring for specific activities
Medium-term monitoring during key phases
Long-term monitoring for ongoing projects

Flexible options allow you to scale monitoring based on your needs.

Do I need monitoring for the entire project?

Not always — monitoring requirements depend on the type of work and planning conditions.

Some projects only require monitoring during high-risk activities, while others require continuous monitoring throughout. We can help define the most appropriate strategy.

Costs & Value

How much does monitoring cost?

Costs vary depending on:

Number of monitoring locations
Duration of monitoring
Type of monitoring required (noise, vibration, dust)
Level of service (hire-only vs fully managed)

We offer flexible, cost-effective packages tailored to your project requirements.

Is monitoring worth the cost?

Yes — monitoring is often far more cost-effective than dealing with:

Project delays
Enforcement action
Complaints and disputes
Retrospective mitigation

It acts as insurance for your project, protecting both your timeline and reputation.

Can I hire equipment instead of a full service?

Yes — we offer both:

Hire-only solutions with automated reporting
Fully managed services including setup, monitoring, and consultancy

This allows you to choose the level of support that best suits your project.

Working With NOVA Acoustics

Do you offer nationwide coverage?

Yes — we provide monitoring services across the UK, with experienced consultants and engineers available for rapid deployment.

Can you help set up a monitoring strategy?

Yes — we can advise on:

Monitoring locations
Threshold limits
Compliance requirements
Reporting formats

We can also liaise with local authorities to agree the monitoring approach.

What makes NOVA Acoustics different?

We provide:

Real-time, cloud-based monitoring systems
Fast installation and flexible solutions
Clear, actionable data and reporting
Full support from experienced consultants

Our focus is on helping you stay compliant and keep your project moving.

Is everything handled for me?

Yes — if you choose a fully managed service, we handle everything from setup and monitoring to reporting and support.

This ensures a hassle-free experience, allowing you to focus on delivering your project.

Recent Projects

Noise Impact Assessment for a Mixed-Use Sports and Leisure Development

Acoustic Consultancy and Design for RIBA Stages 3 and 4 for redevelopment to form a Hotel.

Acoustic Consultancy, Design & Testing for Zedwell Hotel, Manchester

Acoustic Consultancy and Design for RIBA Stages 3 and 4 for redevelopment to form a Hotel.

Acoustic Consultancy for a Library & Community Hub in Sheffield

Acoustic consultancy services a new build community hub and library in Sheffield.

Who we work with

IOA Members

Trade Accounts

Price Promise

Rapid Reports

UK Wide Noise Impact Assessments

Get your project approved with a noise impact assessment prepared by expert acoustic consultants.

Secure Planning Fast | Meet Local Authority Requirements

Projects in 2025

1725 +

Projects to date

14248 +

Get in Touch

Response within 1 working day

Services

Noise Impact Assessments

Expert acoustic consultancy, delivered across the UK.

A noise impact assessment is a technical report produced by acoustic consultants to evaluate the effect of noise on a proposed development or its surroundings. NOVA Acoustics produces noise impact assessments in line with BS 4142, BS 8233, and National Planning Policy Framework (NPPF) requirements, for submission to local planning authorities as part of a planning application.

Simple, fast & fully managed

Request a quote

Confirm your survey date

On-site assessment

Rapid reports

Submit to the decision maker

What our clients have to say

– Arnot Wilson

– Na’ama Zisser

– Joe Bentley

– Daniel Pontin

– Kelly Creates

“I used NOVA for acoustic reports for a project I’m working on converting retail units to residential, they was prompt, informative and well priced. I wouldn’t hesitate to use them again.”

– Peter Goldthorpe

“We have used NOVA Acoustics for a sound testing for installation of a new floor. Tom the engineer was very thorough, prompt and professional.”

– Anna Jóga

“Ryan and his team were very professional, installing monitoring equipment regarding a proposed planning application. We can definitely recommend NOVA Acoustics Ltd.”

– Pauline Whittle

HOW WE SUPPORT YOU

Planning Ready Report

Fully Compliant

Clear Conclusions

Mitigation Advice

Jargon Free & Clear

Planning Approval Secured

Our Noise Impact Assessment Services

Noise & Vibration Assessments

Residential Noise Surveys

Construction Noise Surveys

Acoustic Design

Industrial Noise Surveys

Noise Impact Assessment

Entertainment Noise Surveys

BREEAM Noise Surveys

Noise, Vibration and Dust Monitoring

Vibration Surveys

Environmental Noise Surveys

Noise Mapping

Environmental Monitoring

Environmental Permit Noise Impact Assessment

Sound Insulation Design

Acoustic Expert Witness Services

Festival & Event Noise Monitoring

MCS Noise Assessment

Who We Work With

House Builders

Property Developers

Architects & Contractors

Homeowners

Project Managers

Housing Associations

Trade accounts with preferential pricing.

Preferential pricing for ongoing projects, project coordination support, priority scheduling and dedicated contact.

Local expertise. Nationwide coverage.

Which projects.
We Support.

Why choose NOVA Acoustics?

Book your assessment.

Noise Impact Assessment: Frequently Asked Questions

What is a noise impact assessment?

Typically, Noise Impact Assessments are requested by your Local Planning Authority or Environmental Health Officer to ensure that your development is not adversely impacting communal, residential or businesses that are situated nearby. As the name suggests, a noise impact assessment will try to predict the impact that noise from your development is likely to have on the surrounding area.

There are many reasons that developments require a noise impact assessment. This could be anything from a business extending its hours of operation, to a new construction project in a city centre. In each of these examples, the client would need to know the likely impact that their project would have on the surrounding area. Finding out the answer to this question in advance can save a lot of money, hassle and time in the long run.

A noise survey gives you a clear picture of the noise environment, taking measurements of ambient noise levels at various times of the day, including busy and quiet periods. It also identifies major noise sources, like road traffic, industrial machinery, or construction activities. After setting the baseline noise levels, we compare them with relevant noise criteria to understand the extent of impact.

What is involved in a Noise Impact Assessment?

A good quality noise impact assessment will:

Determine the existing level of noise (i.e. the baseline noise) at the proposed development
Predict the level of impact that the new proposal will have on this existing noise climate.
The specific type of noise impact assessment methodology will vary depending on the type of noise source that is of interest. However, a quality noise impact assessment will essentially involve measuring the existing noise climate that is associated with your development, as well as assessing the impact that the new proposal is likely to have on this climate.

Many different types of noise can potentially impact the surrounding area, including railway, aircraft, road traffic, entertainment and industrial noise.

NOVA Acoustics Ltd has years of experience aiding with all kinds of noise impact assessment and our work is always informed and undertaken to the latest Government legislation and guidance.

What if my project is particularly noisy?

Noise exists in all facets of life and is only a problem if it significantly impacts people who don’t want to hear it. The main purpose of a noise impact assessment is not to determine if a project is likely to cause noise, but if anybody is likely to be significantly adversely impacted by it.

If this is the case, we can use our years of experience to help clients mitigate the impact of noise through realistic, tailored acoustic solutions.

How do i proceed with a noise impact assessment?

As the scope of noise impact assessments can vary enormously, the best thing you can do is contact us directly to discuss the specific needs of your project. We will offer you practical, cost-effective advice about how to proceed with the noise impact assessment for planning your project.

Contact us via the form, or ring us, to speak with our friendly and knowledgeable team about your noise impact assessment requirements. Once you contact us, we’ll calculate the noise assessment cost and arrange to visit you on site.

Why are noise impact assessments required?

Noise impact assessments are typically required by a Local Planning Authority or Environmental Health Officer to ensure that new developments do not adversely affect the surrounding environment.

When is a noise impact assessment needed?

Noise impact assessments may be required for a wide range of projects, including:

• New developments
• Changes to operating hours
• Commercial or industrial installations
• City centre construction projects

They are used to understand the likely impact before work begins.

What is the purpose of a noise impact assessment?

The purpose is to assess the existing noise environment and predict how a proposed development will change it, allowing potential issues to be identified and addressed in advance.

Why is a noise impact assessment important for planning?

Carrying out an assessment early helps avoid delays, reduce risk, and prevent costly redesigns by ensuring that noise impacts are understood before planning decisions are made.

Can a noise impact assessment help reduce project risk?

Yes — by identifying potential noise issues early, it allows mitigation measures to be implemented before problems arise, saving time, cost and disruption later in the project.

What does a noise impact assessment involve?

A typical assessment includes:

• Measuring existing background (baseline) noise levels
• Identifying dominant noise sources
• Predicting future noise levels from the proposed development
• Comparing results against relevant standards

This provides a clear understanding of potential impact.

What is baseline noise and why is it important?

Baseline noise refers to the existing sound environment at a site before development. It is used as a reference point to assess how much additional noise a project will introduce.

What types of noise are considered in an assessment?

Noise impact assessments can consider a wide range of sources, including:

• Road traffic
• Railways and aircraft
• Industrial and plant noise
• Construction and entertainment noise

Methodology & Standards

How is noise impact assessed?

Noise levels are measured on site and then assessed against recognised standards and criteria to determine whether the predicted impact is acceptable.

What assessment standards might be used?

The methodology depends on the noise source, but commonly includes standards such as:

• BS4142 for industrial and commercial noise
• Planning and environmental guidance

The correct method is selected based on the project type.

How do you determine if noise is a problem?

Noise is considered a problem when it causes a significant adverse impact on nearby receptors, rather than simply being present.

Mitigation & Outcomes

What happens if a development is predicted to be too noisy?

If significant impact is identified, mitigation measures can be recommended, such as:

• Acoustic barriers or enclosures
• Equipment selection or relocation
• Operational controls

Can noise impact be reduced?

Yes — experienced acoustic consultants can design practical, tailored solutions to minimise noise impact and achieve compliance.

Will I receive recommendations as part of the assessment?

Yes — reports typically include clear guidance on how to reduce noise impact and meet planning or regulatory requirements.

Process, Timescales & Cost

How long does a noise impact assessment take?

The duration depends on the size and complexity of the project. Smaller assessments may take a few days, while larger or more complex projects can take several weeks.

What happens after I request a noise impact assessment?

Once you make contact, the scope of the assessment is defined, costs are calculated, and a site visit is arranged to carry out measurements and analysis.

How do I get started with a noise impact assessment?

The best approach is to speak with an acoustic consultant to discuss your project requirements and determine the appropriate scope and methodology.

How much does a noise impact assessment cost?

Common triggers include: • Failure to assess noise risk • Exceeding exposure limits • Lack of documented control measures

Planning & Suitability

Which types of developments require a noise impact assessment?

Noise impact assessments are commonly required for:

• Residential developments
• Commercial and mixed-use schemes
• Industrial installations
• Leisure and entertainment venues

What are noise-sensitive receptors?

Noise-sensitive receptors are locations where people may be affected by noise, such as homes, schools, hospitals and workplaces.

Do all projects require a noise impact assessment?

Yes — consultants can support with: • Follow-up surveys • Compliance strategies • Implementing control measures • Providing evidence for regulators