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Statutory guidance

Approved Document L: 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:
24 March 2026
Last updated:
8 September 2026 — See all updates

Applies to England

Documents

Approved Document L, Volume 1: Dwellings

PDF, 2.87 MB, 120 pages

This file may not be suitable for users of assistive technology.

Request an accessible format
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email alternativeformats@communities.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Approved Document L, Volume 2: Buildings other than dwellings

PDF, 2.62 MB, 116 pages

This file may not be suitable for users of assistive technology.

Request an accessible format
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email alternativeformats@communities.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

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.

Related link: Design and construct new builds to enable smart meter installations.

Updates to this page

Published 24 March 2026
Last updated 8 September 2026 Show all updates

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

  2. First published.

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