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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.

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] 111000111 BBBuuuiiillldddiiinnnggg RRReeeggguuulllaaatttiiiooonnnsss 222000111000 AAApppppprrrooovvveeeddd DDDooocccuuummmeeennnttt LLL VVVooollluuummmeee 222,,, 222000222111 eeedddiiitttiiiooonnn 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.