Building Regulations 2010: Approved Documents L-1 Conservation of fuel and power. Volume 1: Dwellings (2021 edition - for use in England) (Revised February and June 2022)

Publication Year

2022

Document Status

Withdrawn

Abstract

Provides guidance for complying with the energy efficiency requirements of the building regulations, in particular the conservation of fuel and power for dwellings. Covers the energy performance of dwellings calculations and requirements, calculating the rates for target and dwelling primary energy, target and dwelling emission and target and dwelling fabric energy efficiency, alternative systems, limiting heat gains and losses, design standards, quality, information and model designs.

Document History

Replaced by 2021 edition incorporating 2023 amendments (HMG, 2023). Supersedes Building Regulations 2010: Approved Documents L1A Conservation of fuel and power in new dwellings (2013 edition incorporating 2016 amendments) (For use in England) (NBS, 2016) and Building Regulations 2010: Approved Documents L1B Conservation of fuel and power in existing dwellings (2010 edition incorporating 2010, 2011, 2013, 2016 and 2018 amendments) (For use in England) (HMG, 2018) on 15/06/2022. Comes into effect 15 June 2022. First published December 2021 - revised and consolidated February 2022, with changes to the following areas: Table 4.2 Notes 9 and 13, Paragraphs 5.8, 5.9, 8.8, 6.17, and Appendix B paragraph B7. Read with: Circular Letter Notice of revision to Approved Documents F2, L1, L2, O and S 2021 editions (DLUHC, 2022). Revised June 2022 to correct minor misprint. Updated details section to refer to the new documents coming into force.

ISBN

9781914124785

Publisher Information