England · Statutory guidance
Conservation of fuel and power: Approved Document L, Volume 2 — Buildings other than dwellings
Energy performance guidance for non-domestic buildings, covering fabric, services, controls and commissioning.
- Edition
- 2021 edition incorporating 2023 amendments · Volume 2; later editions and transitions on source page
- Search coverage
- 116 of 116 PDF pages · 2 OCR pages
Energy & sustainability
Open original PDF at page 111 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 FAG
Building Services Research and Information Department for Business, Energy and Industrial
Association (BSRIA) Strategy (BEIS)
(www.bsria.com) (www.gov.uk/beis)
BG 26/2011 Building Manuals and Building User The Government’s Standard Assessment Procedure
Guides – Guidance and worked examples [2011] for Energy Rating of Dwellings, SAP 10. Available at
www.bregroup.com/sap/sap10/
BSRIA Commissioning Guides as follows:
Current Energy Prices. Available at www.gov.uk/
• BG 2/2010 Commissioning Water Systems [2010]
government/organisations/department-of-energy-
• BG 29/2021 Pre-Commission Cleaning of climate-change/about/statistics#energy-price-
Pipework Systems. Sixth Edition [2021] statistics
• BG 49/2015 Commissioning Air Systems [2015] Energy Technology List. Availale at www.gov.uk/
guidance/energy-technology-list
Chartered Institution of Building Services
Engineers (CIBSE) Department for Levelling-Up, Housing and
Communities
(www.cibse.org)
CIBSE Commissioning Codes as follows: (www.gov.uk/dluhc)
• Commissioning Code A Air Distribution Systems Approved software for the production of non-
[2006] domestic Energy Performance Certificates (www.
gov.uk/government/publications/department-for-
• Commissioning Code B Boilers [2002]
communities-and-local-government-approved-
• Commissioning Code C Automatic Controls software-for-the-production-of-non-domestic-
[2001] energy-performance-certificates-epc)
• Commissioning Code L Lighting [2018] National Calculation Methodology Modelling
Guide (for buildings other than dwellings in
• Commissioning Code M Management [2003]
England) [2021]. Available at: https://www.uk-ncm.
• Commissioning Code R Refrigeration [2002] org.uk/
• Commissioning Code W Water Distribution
Glass and Glazing Federation (GGF)
Systems [2010]
(ggf.org.uk)
Guide A Environmental Design [2015]
Glazing Manual Data Sheet 2.3, Guide to the
Guide B1 Heating [2016]
Calculation of Energy Ratings for Windows, Roof
Society of Light and Lighting (SLL) Lighting Windows and Doors [2016]
Handbook [2018]
Historic England
TM23 Testing Buildings for Air Leakage [2022]
(historicengland.org.uk)
TM31 Building Log Book Toolkit [2006]
Energy Efficiency in Historic Buildings: Application
TM39 Building Energy Metering [2009]
of Part L of the Building Regulations to Historic and
TM54 Evaluating Operational Energy Use at the Traditionally Constructed Buildings [2017]
Design Stage [2022]
Ministry of Housing, Communities and Local
Government (MHCLG)
Manual to the Building Regulations: A Code of
Practice for Use in England [2020]
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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.