Air & Acoustic Testing

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Air Pressure Testing

We offer a UK-wide, fast and cost-effective service for all your Part L1A Building Regulations air testing compliance requirements. Our Residential Air Pressure Testing service is used by construction companies, house builders, large and small developers and self builders.

We carry out air pressure and air permeability testing on all residential building types from small single flats, to detached houses and multi-dwelling developments.

All our air tightness, air permeability and air pressure tests are carried out in accordance with ATTMA (Air Tightness Testing and Measuring Association) TS1 Issue 2 to BS EN 13829 method B standards, and all our test engineers are trained and accredited members of the BINDT (British Institute of Non Destructive Testing).

Sound Insulation

(Acoustic) Design & Testing

In addition to your Residential Air Pressure Testing we can also take care of your Sound Insulation (Acoustic) Testing requirements on your residential properties that have party elements i.e. walls and floors that separate individual residential dwellings. All our Sound Testing is taken part through a partnership with an ANC Association of Noise Consultants Registration Scheme Member.


Michael Hughes

"Professional through and through. Really helpful and very quick in turning around my SAP calculations which met with full approval from the planning authorities. Highly recommended and a pleasure to do business with."

Dean Pitblado

"A* Service. I needed a water efficiency certificate. Very fast turn around at the right price."

Michael Tamsett

"I have used Apex Home and Energy Surveyors Ltd. for over 3 years and have always -without exception - had an excellent service."

Daniel Howitt

"Excellent service and quick turnaround."

Philip Cumming

"APEX provide an excellent customer service, take time to explain things and are always happy to help. I was very pleased with their service and will use them again."

ChloƩ Riley

"Amazing service, very prompt and extremely helpful. Thank you Peter, we will definitely use you again for our next development."

Jason Field

"These guys are fast and efficient and a fraction of the price i was quoted elswhere. I will definitely be using them again for my SAP and EPCs."

John Wood

"I've had a great experience with Apex helping me out to discharge what would otherwise be a complex building control issue on a small house extension. Very straightforward to deal with and a high quality of customer service. Thanks Apex! :-)"

Jackie Bull

"An excellent, efficient and very friendly service. We would highly recommend Apex. Thank you very much. We hope that we will do alot more business with you in the future."

Gary Darren

"Fast, efficient, cost effective service. What more do you need?
We will definitely be using Apex again!"