No. of dwellings in dwelling type group | Sampling rate |
---|---|
1 to 4 | 1 test |
5 to 40 | 2 tests |
41+ | Test 5% dwellings |
If using Accredited Construction Details (ACDs) then 1 test of each dwelling type may be sufficient.
Part L of the Building Regulations sets the energy efficiency standards for new homes and requires that a sample of new homes on all developments is tested for air leakage (also known as air tightness, air permeability or air pressure testing).
In partnership with BSRIA we offer a complete post-completion testing service in England and Wales. BSRIA are members of ATTMA and we have the experience to help you on any project with:
NHBC Air Leakage Testing Service is delivered in Partnership with BSRIA a UKAS accredited laboratory No. 1053, a member of ATTMA and an associate member of BINDT.
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Technical guidance on Building Regulations