Statistical data set

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 Department for Communities and Local Government 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 April 2016 to September 2017.

Air tightness testing scheme statistics: April 2016 to September 2017

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Published 14 February 2017
Last updated 8 December 2017 + show all updates
  1. Published latest Air tightness testing schemes statistics covering the October 2016 to September 2017.
  2. Published latest Air tightness testing schemes statistics covering the October 2016 to March 2017 period
  3. First published.