Guidance for contractors on how to make buildings as energy efficient as possible.
Documents
Approved document part L: volume 1 , file type: PDF, file size: 1 MB
PDF
1 MB
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Approved document part L: volume 2 , file type: PDF, file size: 2 MB
PDF
2 MB
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Home energy guide template , file type: PDF, file size: 287 KB
PDF
287 KB
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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
If you need a more accessible version of this document please email digital@gov.wales. Please tell us the format you need. If you use assistive technology please tell us what this is.
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: 183 KB
PDF
183 KB
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Domestic building services: compliance guide , file type: PDF, file size: 571 KB
PDF
571 KB
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Details
Approved document part L: volume 1 takes effect on 23 November 2022.