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Wales Building control and approved inspectors

Closure of building air pressure testing scheme (WG 001/2015)

Library captured 10 September 2026 · Source updated 29 August 2026

Building Regulations Wales

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Circular

Circular number:WG 001/2015Date issued:09 DD /02 MM /2015 YYYY
Status:For information
Title:Notice of closure of air pressure testing scheme

Issued by:

Francois Samuel, Head of Building Regulations

Addressed to:Please forward to:
Local Authority Chief Executives Welsh Local Government Association Association of Corporate Approved Inspectors Construction Industry Council Competent Persons ForumLocal Authority Building Control Officers Assembly Members

Summary:

To inform of the closure of the British Institute of Non-destructive Testing’s (BINDT) air pressure testing scheme currently authorised by regulation 43 of the Building Regulations 2010

For further information contact:
Colin Blick, Building Regulations Welsh Government Offices Merthyr Tydfil, CF48 1UZDirect Line: 0300 062 8144 E-mail: enquiries.brconstruction@wales.gsi.gov.uk Website: wales.gov.uk/topics/planning/buildingregs/

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Dear Sir/Madam

Regulation 43 of the Building Regulations 2010 and Regulation 20 of the Building (Approved Inspectors etc.) Regulations 2010: Air Pressure Testing Schemes.

I am writing to inform you of the closure of the British Institute of Non-destructive Testing’s (BINDT) air pressure testing scheme currently authorised by regulation 43 of the Building Regulations 2010. BINDT have informed the Welsh Government of their intention to close this scheme on 31 December 2014. The closure has implications for building control bodies.

Note: Please note that the Air Tightness Testing and Measurement Association (ATTMA) scheme will continue to be authorised and none of what follows is applicable to that scheme.

Regulation 43

Regulation 43 provides two ways that air pressure testing results may be given to a building control body.

First, under regulation 43(4) building control bodies are authorised (but not required) to accept as evidence a certificate from a member of the schemes authorised by this regulation that the pressure testing of a building has been carried out in circumstances and in accordance with a procedure prescribed by Welsh Ministers.

Second, where the testing is carried out by a person who is not a member of an authorised scheme that person must instead of a certificate provide a notice under regulation 43(2) and (3) setting out the results of the test and the data on which the results are based. A building control body may take account of the information provided in the notice in coming to its decision on whether the test results are a true reflection of air tightness in a building and that the prescribed procedure has been followed.

Effect of BINDT closure

The BINDT register of air tightness testers will be frozen from 31 December 2014 but will continue to be available on the BINDT website www.bindt.org with a column added to identify the registration expiry date for each testing business, which will occur at different dates in 2015. Building control bodies will remain authorised to accept certificates from BINDT registrants until the date of the expiry of their registration. In deciding whether or not to accept such a certificate after 31 December 2014, building control bodies will need to take into account the fact that BINDT will not be auditing any firms or assessing testers after that date.

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Any certificates from a BINDT registrant for any pressure test carried out on or after the expiry date of their registration will not be valid. This means that building control bodies will not be able to accept them as evidence of compliance but must treat any such certificates as a notice under regulation 43(2) and (3). As the certificate and the notice contain similar information the main effect is that the building control body will need to assess the information in the notice and decide whether it complies with the requirements of the Regulations.

The Welsh Government intends to remove the reference to BINDT from regulation 43 with effect from the date of the last testing business’s date of expiry of registration.

Enquiries

Any enquiries on this Circular should be addressed to enquiries.brconstruction@wales.gsi.gov.uk

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