UKAS accredited Air Tightness Testing

We undertake hundreds of UKAS air tightness tests throughout London and the South East every year. We undertake air testing on all types of projects from single dwelling to the largest commercial buildings. We are one of the few companies that are UKAS accredited to undertake both Air & Sound testing in compliance to Building Regulations and Standards. We are also one of a handful of companies in the UK that has attained UKAS accreditation for air tightness testing.

UKAS Accredited Air Tightness Testing

Air Tightness Testing for Building Regulations

As a UKAS accredited testing laboratory you can be sure our air tightness testing reportage if of the highest standards, and will be accepted by your local London Building Control body. Using our experienced air tightness engineers, we can provide highly competitive pricing and a friendly proactive service from design stage through the precompletion testing and handover.

If you use a company to undertake your precompletion air tightness testing, you have a responsibility to ensure you provide accurate and reliable results. To facilitate this you will want to make sure that the air test company has the technical expertise and management systems to undertake the work professionally and competently. The competence of the air test laboratory may be crucial to maintaining your reputation as a responsible organisations. It is therefore surprising that organisations are still tempted to use the service of test companies whose competence has not been confirmed by an independent, authoritative third party.


We are UKAS accredited for Air Tightness Testing

The United Kingdom Accreditation (UKAS) is the only accreditation body recognised by Government to assess, against internationally recognised standards, organisations that provide testing services. UKAS combines a depth of technical knowledge and expertise built up over many years with scientific and technical specialists operating across a range of testing activities. APT UKAS accredited to undertake Air Tightness Testing to both dwellings and commercial buildings.

If you require UKAS accredited air tightness testing and/or air tightness design services, please contact us at or call on:  01525 303905 our team is available for a fast call out across the London region.

For more information on our full range of our blower door services please visit us at: or to prepare for your sound insulation test, please download our air test checklist.