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SAPs

SAPs & EPCs

SAP stands for the Standard Assessment Procedure. SAP assessments are required by the Government, and form the official approved procedure for the energy assessment of dwellings in the United Kingdom. 

The primary aim of SAP assessment is to measure CO2 emissions, energy costs and thermal performance of various elements of a building. EPC stands for Energy Performance Certificate, and is requisite for enhancing building regulations and if introducing a new energy scheme. Both SAP and EPC are required under Part L of the Building Regulation in the United Kingdom.

What is a SAP and EPC assessment?

A SAP assessment ultimately calculates a figure (ranging from 1 – 100+). The rating provided by the SAP assessment denotes the energy efficiency of the building that has been assessed; the higher the rating, the more energy efficient the building is according to SAP assessment. EPC must be provided by an appropriately qualified and accredited EPC professional, who will use the latest approved software to calculate various energy expenditure elements of the building or development.

Why do I need a SAP or EPC assessment?

By making sure that you have an appropriate SAP and EPC assessment, you will be able to ensure that you can get your development signed off according to Building Regulation Part L, allowing you to put the property up for sale or rent within planned timescales. In addition to being mandatory, both SAP and EPC assessments can help prospective tenants save dramatically on their energy costs and expenditures, making rental or sale of your property a much more enticing prospect. SAP and EPC assessments can therefore add value to a property or development.


What’s Involved in doing the SAP Calculations?

Your SAP Assessor will work from architects drawings and construction information, together with a full heating and ventilation specification. Drawings need to be scaled, accurate and show all elevations, sections, floor and site plans. Once complete, a SAP calculation is capable of producing detailed reports, including the all-important Building Regulations Compliance paperwork.

Stage 1 - the 'Design' stage

  • SAPs must be calculated and submitted to the relevant Building Control Officer (BCO) or your Approved Inspector (AI) at the point when you make your Building Control Application.
  • Predictive Energy Assessments (PEAs) can be issued at this stage in case you want to market the property prior to completion

Stage 2 - the 'As-built' stage

  • Produced when the build is completed. Compliance documentation that shows a “pass” must be produced for presentation to your BCO or AI. Any changes that were made to the build specification must be incorporated in the "As Built" assessment and the results from your Air Testing regime entered into the SAP calculations. Your final EPC will be based on the information confirmed at this stage.

Common causes of poor SAP and EPC results

Although each property and development is unique when it comes to a SAP and EPC assessment, there are some common causes of poor performance when it comes to their assessment. These include:

  • U Values – if you have an adequately insulated structure, utilising quality insulation in walls, floors and ceilings will show significant benefits.


  • Air Tightness – all new-builds require air pressure testing, which directly impacts the SAP rating. A properly sealed envelope is a must.


  •  Windows and Door – openings lose a lot of heat; ensuring the U values on these elements are as low as possible will save heat loss.

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

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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

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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