Guidance for contractors on how to make buildings as energy efficient as possible.

First published:
14 June 2016
Last updated:

Documents

Approved document part L: 2014 L1A (new dwellings)
, file type: PDF, file size: 945 KB

PDF
945 KB
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Approved document part L: 2014 L1B (existing dwellings)
, file type: PDF, file size: 1 MB

PDF
1 MB
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Approved document part L: 2014 L2A (new buildings other than dwellings)
, file type: PDF, file size: 970 KB

PDF
970 KB
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Approved document part L: 2014 L2B (existing buildings other than dwellings)
, file type: PDF, file size: 1 MB

PDF
1 MB
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Approved software programmes
, file type: PDF, file size: 198 KB

PDF
198 KB
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Domestic building services: compliance guide
, file type: PDF, file size: 571 KB

PDF
571 KB
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