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Pre Completion Sound Testing Explained

Posted in Acoustic Consultants News on Apr 18, 2019

What is Pre Completion Sound Testing?

As a Part E requirement of building regulations pertaining to new properties (be it a new flat, house or conversion of abode), sound testing is mandatory. It places responsibility on the owner or builder to prove that the acoustic rating is both accurate and complies with modern regulations regarding noise control. This is especially important in controlling noise between walls or separating floors between one or more dwellings. Like other building regulations tests, local building control units may specify which dwellings are to be tested but if not we can guide you through the process and specify what pre-completion sound testing is required.

It is important the property is at the right stage of the development to ensure that it has the best chance of passing the test. We need to test when the dwelling is essentially complete but not occupied. There are a number of specific requirements that can be found by visiting our sound insulation testing page.

How Is A Building Sound Tested?

Sound testing follows approved document part E which provides an outline of how to properly undertake sound insulation tests. Tests must be undertaken once building work is completed, without furnishings such as carpets or floor installations. Tests are therefore unbiased recording of properties acoustic performance. These are carried out on the initial property type to be completed, with further tests taken out on every 1 in 10 properties of each type. Tests are taken and applied to separate elements of a property rather than in living spaces, corridors or hallways, etc. The testing must be carried out by an accredited test body, such as UKAS or the ANC. Results are passed on to your local building control office to be certified. There are two types of sound insulation testing: airborne tests and impact tests. Where airborne tests measure sound transmitted through the air between walls or ceilings, impact tests are measured by making impact on floors or ceilings via a tapping machine.

Tests may be carried out differently depending on the property as so:

Houses

  • Houses: A set of tests will comprise two individual airborne insulation tests. Ideally, if there are separating walls between bedrooms of the adjoined houses or living rooms, these must be tested.

Flats

  • Flats: Sound Insulation tests on flats normally comprise of one set of floor tests including  2 impact and 2 airborne tests, as well as one set of wall tests including 2 airborne tests.

The requirements for new buildings are to provide a minimum airborne sound resistance of DnTw+Ctr ≥45dB and maximum impact measured sound level ofLnTw ≤62dB, whilst conversions must meet the following requirements of DnTw+Ctr ≥43dB and LnTw ≤64dB.

What If Tests Fail?

If a sound test fails, remedial work will be required to improve the partition so that it will achieve a pass on a re-test. If multiple tests fails then additional testing may be requested by the building control body to ensure all other areas pass the sound test. We can provide guidance on cost effective ways of passing your pre-completion sound test first time or help you to deal with a failed sound test. You can review our building regulations part e compliant wall and floor designs at our sound insulation design advice page to get an idea of the level of acoustic detailing required to pass a test first time.

There are alternatives out there to pre completion sound testing such as the robust details certification scheme. In this scheme, users select details from a provided handbooks before registering their plot on the official scheme website before work commences on the building sit. Building control are notified of this and construction must then follow the step-by-step guide provided in the handbook.

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testimonials

- Paul Hastings

★ ★ ★ ★ ★

30th May, 2017

I engaged Nova at the outset of my project (which I recommend you do) to assist with providing a detailed material specification and installation guidance. There was always someone available to help with practical enquiries and advice...

- C.G. Henry

★ ★ ★ ★ ★

29th Nov, 2017

I had Adam come round to a property which i thought was beyond repair. He gave sound advice with exact details of what needed to be carried out in the most cost effective manner. Once the works were carried out he returned, tested it...

- Andrew Youngson

★ ★ ★ ★ ★

6th Dec, 2017

I have worked with the team at nova on a number of projects and have always been very helpful and competitively priced. Highly recommend this company for any sound test and report.

- Carol Chaplin

★ ★ ★ ★ ★

14th Jun, 2017

Excellent service, engineer was very informative and helpful.  Good customer service being able to speak to knowledgeable people on the telephone when making inquires about the procedure involved for the sound testing of our property...

- Bun Bar

★ ★ ★ ★ ★

2nd Dec, 2015

Good efficient service. Recommend it to all.

Bright Construction UK Ltd

- Gavin Boby

★ ★ ★ ★ ★

9th Nov, 2015

Very attentive and friendly service, keen to serve the client, and absolutely not about dragging the case out for fees - will work to save the client fees, and understand the practicalities of the case and the opposition that applications...

- Ejaz Shah

★ ★ ★ ★ ★

9th Nov, 2016

Adam was very attentive and very professional answered all my questions and returned all calls the engineer arrived at the time agreed and again explained everything before carrying out the test , and we received our report within couple...

- Charles OKell

★ ★ ★ ★ ★

23rd Feb, 2017

Its a tricky area and you need the right support, Paul Robinson  brought Adam's team to the table and we'll be working together again in future for sure.

- Ainsley Black

★ ★ ★ ★ ★

14th Dec, 2016

Although we had followed the building reg, in terms of sound insulation the property conversion still failed the sound Test. Adam was very helpful and professional and guided us to the point that when it was retested again we passed. Would...

- Robert Buchanan

★ ★ ★ ★ ★

19th Jun, 2017

Friendly efficient and cost effective service, without complication

- Hepple Property Care Ltd

★ ★ ★ ★ ★

26th Oct, 2017

Very quick service, would recommend to others

- Ian Fairbairn

★ ★ ★ ★ ★

20th Dec, 2016

Excellent service and communication with all the members of staff we had dealings with.  A very professional approach and attitude by all.  An experience that is refreshing within the building sector and a company I could recommend...

- Daniel Cogdon

★ ★ ★ ★ ★

2nd Oct, 2017

Fast turn around and great service, recommended

- Allan Proctor

★ ★ ★ ★ ★

21st Sep, 2016

Excellent service by Adam and the team at Nova. The service they delivered was efficient, competitive and I would highly recommend them!

- Carol Richards

★ ★ ★ ★ ★

20th Jul, 2016

Having selected Nova Accoustics to perform a sound test on my latest project, I found the whole process completely professional, prompt & efficient .

The phone contact to set up the appointment was extremely  helpful...

- Michael Dickinson

★ ★ ★ ★ ★

1st Mar, 2017

Having used Nova Acoustics on several projects, I would not hesitate in recommending this company.

- Steph Openshaw

★ ★ ★ ★ ★

7th Sep, 2017

Fantastic service very quick and punctual highly recommended.

- Chris Bullerwell

★ ★ ★ ★ ★

22nd Nov, 2016

Used Nova Acoustics to sound test a property we'd converted in the Newcastle area.

Excellent service from start to finish. Professional, helpful & reliable throughout...highly recommended.

- Andrew Holmes

★ ★ ★ ★ ★

23rd Mar, 2017

Really helpful team of people and very quick service, which was greatly appreciated.

- Siying Lid

★ ★ ★ ★ ★

17th Aug, 2016

We are a small design firm and NOVA Acoustics provided very sufficient services to our clients with reasonable price. And they are quick to respond too.  Highly recommended.

- Floors By Design Leicester

★ ★ ★ ★ ★

24th Apr, 2017

Very good company, communicated all the way through.  Competitive pricing, I will be using them again in the near future.

- Stewart Greenhalgh

★ ★ ★ ★ ★

6th Jul, 2017

First Class, prompt professional service. I will recommend to other clients.

- Frank Kenny

★ ★ ★ ★ ★

5th Oct, 2017

Excellent  service so far and will be contacting them again for their services.

- Kelly Freakley

★ ★ ★ ★ ★

26th Jul, 2017

Fantastic service from this company at a very reasonable price, would definitely recomend....

- Robert Myers

★ ★ ★ ★ ★

27th Apr, 2017

I used Nova acoustics to sound test my basement flat conversion for the building control certificate

And found them to be professional and friendly. The test was done mid afternoon and I had received by six o'clock the same...

- Stephen Shaw

★ ★ ★ ★ ★

13th Jul, 2017

Excellent service. Would recommend to anyone needing assistance with matters arising from acoustics and noise.

- Rick Parsons

★ ★ ★ ★ ★

29th Jun, 2017

iKoustic have worked with Nova Acoustics for some time now and they are constantly thorough, professional and super helpful in everything they do ... They are certainly our partner of choice ... Rick

- Carl Smoult

★ ★ ★ ★ ★

10th Aug, 2017

Prompt, friendly, efficient, professional... would recommend and use again.

- Gary Oliver

★ ★ ★ ★ ★

20th Mar, 2017

As most of you reading this message are now probably aware  the difficulty of finding guidance and compliance of the part E building regulations is an arduous task. Well search no more! Adam at Nova Acoustics not only talked me through...

- Kate Whitehead

★ ★ ★ ★ ★

27th Jul, 2017

Speedy quote, arranging the testing & report! Seb was really friendly & efficient onsite. Highly recommend!

- David Hope

★ ★ ★ ★ ★

26th Sep, 2017

Came promptly at the requested time. Did the work professionally and in good time and provided the required reports so no issues or problems to report.

- Mark Girdham

★ ★ ★ ★ ★

27th Jul, 2017

NOVA provided a fast and efficient service. They came to carry out the sound tests on my 8 Bed HMO, which was a change of use from 4 flats. Very friendly and professional service. Mark (Hull)

- Simon Phillips

★ ★ ★ ★ ★

4th Oct, 2017

Excellent company, providing a professional service at a competitive price and a quick, hassle free  experience. I would recommend them to anyone.

Simon Phillips  Salisbury Poultry Ltd

- Peter Phillips

★ ★ ★ ★ ★

31st Aug, 2017

Excellent service from start to finish.

Highly professional team who where very accommodating to the team on site and worked exceptional well with everyone.

Having worked with other companies within the same...

- Claire Gannon

★ ★ ★ ★ ★

31st Oct, 2017

Excellent speedy service, Luigi was very proficient and professional at carrying out his job, a real asset to the company. Thank you Luigi. Kind Regards, Ant Mason

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