Part L - Conservation of Fuel & Power

This suite of documents covers new dwellings (document L1A), work to existing dwellings (L1B), new buildings other than dwellings (L2A), and works to existing buildings other than dwellings (L2B).

The Approved Documents giving guidance on how to satisfy the requirements can be downloaded below.

Part L1A Wales

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Part L1B Wales

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Part L2A Wales

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Part L2B Wales

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