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Water Calculations

Water Efficiency Calculations

Water efficiency calculations are required by the Government in the United Kingdom under Part G of the building regulations. 

All new developments and properties require water calculations to help ensure that they have suitable water provisions to accommodate proposed activities. Additionally, water calculations also help to ensure that the maximum amount of water being used by a person within a property or development does not exceed a limit of 125 litres of water, per person each day.

What is involved in water calculations?

Through our nationwide network of experts, we are able to perform water calculations according to the latest advice, guidance and requirements under Section G of the Building Regulations. This includes expert assessment and advice if our water calculations highlight any inefficiencies or the need for improvement. Water calculations can be performed to comply across a range of levels, from mandatory minimum requirement performance, to helping make a greener, more energy efficient development through attaining zero carbon status. 

We have expertise and experience in helping our clients attain the level of efficiency their project requires through our reliable water calculation processes. This includes knowledge of a range of areas relevant to attaining acceptable water calculations, including fittings versus measured approaches to water calculation, advice regarding high pressure and low-pressure systems, as well as information regarding options for water calculation in grey-water systems and rain-water type systems.


How can I improve water efficiency?

If our water calculations show that your water efficiency is currently at unacceptable levels, we can use our years of experience to offer practical, efficient solutions to help you boost up the results of your water calculations. 

Each property and development is unique when it comes to water calculations, and we encourage you to get in touch as early possible to ensure your water calculations are as successful as possible. Some common measures to improve poor performance on water calculations can include installation of water flow restrictors, low-flow shower heads and low-flush toilet units.

Do I need water calculations?

Achieving minimum efficiency standards for water calculations are required under Section G of the Building Regulations. If you have a new development, or are converting an existing development for a new purpose, it is likely that you will require water calculations performed.

Our unrivalled service includes free, expert advice for helping properties achieve required efficiency levels through water calculations. Simply the use the contact form on this page, or call our offices, to chat about your water calculation assessment requirements with our friendly and knowledgeable team of acoustic consultants.

Ready to get started?

Get in touch, we're here to help

Clients we’ve worked with

  • barnfield
  • bedford
  • barnfield
  • continental
  • essex
  • hobson
  • interserve
  • kfc
  • leicester
  • persimmon
  • puregym
  • snap
  • starbucks
  • tacobell
  • tower hamlets
  • ITV
  • Unilever
  • Sig
  • Leeds University
  • Morrisons
  • Taylor Wimpey
  • City of Stoke On Trent
  • Hambleton District
  • Calvert Trust
  • Aldi
  • Arnold Laver
  • Broadley
  • Engie
  • Gardiner Theo
  • Iggesund
  • Oxford University
  • PepsiCo
  • Richmonshire
  • Savills

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Service Areas

We provide our services nationwide through our in-house network of local engineers... call to book now!

Service Map - NOVA Acoustics

Accreditations & Memberships

  • Builders Profile
  •  Institute Of Acoustics
  • SSIP
  • Construction Line
  • LABC
  • IEMA
  • HAS

testimonials

- Paul Hastings

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

Good efficient service. Recommend it to all.

Bright Construction UK Ltd

- Gavin Boby

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

Friendly efficient and cost effective service, without complication

- Hepple Property Care Ltd

★ ★ ★ ★ ★

Very quick service, would recommend to others

- Ian Fairbairn

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

Fast turn around and great service, recommended

- Allan Proctor

★ ★ ★ ★ ★

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

- Carol Richards

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

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

- Steph Openshaw

★ ★ ★ ★ ★

Fantastic service very quick and punctual highly recommended.

- Chris Bullerwell

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

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

- Siying Lid

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

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

- Stewart Greenhalgh

★ ★ ★ ★ ★

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

- Frank Kenny

★ ★ ★ ★ ★

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

- Kelly Freakley

★ ★ ★ ★ ★

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

- Robert Myers

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

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

- Rick Parsons

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

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

- Gary Oliver

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

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

- David Hope

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

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

★ ★ ★ ★ ★

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