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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.

Energy & sustainability
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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 E Appendix E: Standards referred to BS 1566-1 Copper indirect cylinders for domestic BS EN 449 Specification for dedicated liquefied purposes. Open vented copper cylinders. petroleum gas appliances. Domestic flueless space Requirements and test methods [2002 + A1: 2011] heaters (including diffusive catalytic combustion heaters) [2002 + A1: 2007] BS 3198 Specification for copper hot water storage combination units for domestic purposes [1981] BS EN 509 Decorative fuel-effect gas appliances [2000] BS 5250 Management of moisture in buildings. Code of practice [2021] BS EN 613 Independent gas-fired convection heaters [2001] BS 5422 Method for specifying thermal insulating materials for pipes, tanks, vessels, ductwork and BS EN 805 Water supply. Requirements for systems equipment operating within the temperature range and components outside buildings [2000] -40°C to +700°C [2009] BS EN 1264-4 Water based surface embedded BS 5864 Installation and maintenance of gas- heating and cooling systems. Installation [2021] fired ducted air heaters of rated heat input not BS EN 1266 Independent gas-fired convection exceeding 70 kW net (2nd and 3rd family gases). heaters incorporating a fan to assist transportation Specification [2019] of combustion air and/or flue gases [2002] BS 6229 Flat roofs with continuously supported BS EN 12831-3 Energy performance of buildings. flexible waterproof coverings. Code of practice Method for calculation of the design heat load. [2018] Domestic hot water systems heat load and BS 7593 Code of practice for the preparation, characterisation of needs [2017] commissioning and maintenance of domestic BS EN 12897 Water supply. Specification for central heating and cooling water systems [2019] indirectly heated unvented (closed) storage water BS 7977 Specification for safety and rational use of heaters [2016 + A1: 2020] energy of domestic gas appliances BS EN 12975-1 Thermal solar systems and BS 7977-1 Radiant/convectors [2009 + A1: components. Solar collectors – General 2013] requirements [2006 + A1: 2010] BS 7977-2 Combined appliances. Gas fire/back BS EN 13278 Open fronted gas-fired independent boiler [2003] space heaters [2013] BS 8213-4 Windows and doors. Code of practice BS EN 14511-2 Air conditioners, liquid chilling for the survey and installation of windows and packages and heat pumps for space heating and external doorsets [2016] cooling and process chillers, with electrically driven compressors. Test conditions [2018] BS EN 253 District heating pipes. Bonded single pipe systems for directly buried hot water BS EN 14825 Air conditioners, liquid chilling networks. Factory made pipe assembly of steel packages and heat pumps, with electrically driven service pipe, polyurethane thermal insulation and a compressors, for space heating and cooling. Testing casing of polyethylene [2019] and rating at part load conditions and calculation of seasonal performance [2018] 86 Approved Document L Volume 1, 2021 edition Building Regulations 2010 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.