Statutory guidance

Approved Document LL: Energy and greenhouse gas emissions (2026)

Approved Document L to support Part L of Schedule 1 to the Building Regulations 2010.

From:: Ministry of Housing, Communities and Local Government
~~Published~~Published:: 24 March 2026
Last updated:: 8 September 2026 — See all updates

Applies to England

Documents

Approved Document L, Volume 1: Dwellings

PDF, ~~1.48~~2.87 MB, 120 pages

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Approved Document L, Volume 2: Buildings other than dwellings

PDF, ~~1.41~~2.62 MB, 116 pages

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Approved Document L: Energy and greenhouse gas emissions, frequently asked questions

https://www.gov.uk/guidance/approved-document-l-energy-and-greenhouse-gas-emissions-frequently-asked-questions

Details

This approved document supports Part L of Schedule 1 to the Building Regulations 2010.

Earlier versions of Approved Document L continue to apply to buildings subject to previous regulatory standards. See Conservation of fuel and power: Approved Document L for guidance covering earlier requirements.

Published 24 March 2026

Last updated 8 September 2026 — Show all updates

8 September 2026
Added revisions of Approved Document L Vols 1 and 2, to correct minor errors. Added Frequently asked questions.

24 March 2026
First published.