Air tightness testing scheme statistics
Data, updated every 6 months, on membership numbers of third party certification air tightness testing schemes for new buildings.
The Ministry of Housing, Communities and Local Government (previously DCLG) has authorised 2 third party air tightness testing certification schemes.
Every 6 months we ask the schemes to provide us with information on their total registered membership at the end of the 6-month period and the number of jobs the registered members have undertaken in the period.
The latest published data covers the period from October 2017 to March 2018.
Last updated 6 June 2018 + show all updates
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Uploaded latest Air tightness testing schemes statistics covering the October 2017 to March 2018 period
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Published latest Air tightness testing schemes statistics covering the October 2016 to September 2017.
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Published latest Air tightness testing schemes statistics covering the October 2016 to March 2017 period
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First published.