England · Statutory guidance
Conservation of fuel and power: Approved Document L, Volume 1 — Dwellings
Building regulation guidance on energy efficiency and the conservation of fuel and power.
- Edition
- 2021 edition incorporating 2023 amendments · Volume 1; later editions and transitions on source page
- Search coverage
- 104 of 104 PDF pages · 3 OCR pages
Energy & sustainability
Open original PDF at page 2 Source wording and page order preserved. Drawings and table layouts remain available in the original PDF.
O N L I N E V E R S I O N
2021 edition
This approved document supports Part L of Schedule 1 to the Building Regulations 2010.
This approved document takes effect on 15 June 2022 for use in England. It does not apply to work
subject to a building notice, full plans application or initial notice submitted before that date,
provided the work for each building is started before 15 June 2023. Full detail of the transitional
arrangements can be found in Circular Letter 01/2021 published on gov.uk.
Main changes made by the 2023
amendments
The changes focus on the following provision:
District heat networks and community heating: Removal of primary energy factor as a performance
standard for dwellings.
O N L I N E V E R S I O N
Edition and local adoption determine which requirements apply. Use the publisher’s document for the complete clauses, diagrams and amendments.