Statutory guidance

Conservation of fuel and power: Approved Document L

Building regulation in England setting standards for the energy performance of new and existing buildings.

Documents

Approved Document L1A: conservation of fuel and power in new dwellings, 2013 edition with 2016 amendments

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Approved Document L1B: conservation of fuel and power in existing dwellings, 2010 edition (incorporating 2010, 2011, 2013 and 2016 amendments)

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Approved Document L2A: conservation of fuel and power in new buildings other than dwellings, 2013 edition with 2016 amendments

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Approved Document L2B: conservation of fuel and power in existing buildings other than dwellings, 2010 edition (incorporating 2010, 2011, 2013 and 2016 amendments)

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Amendments to Approved Document L: 2016 amendments: Conservation.of fuel and power

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Domestic building services compliance guide - 2013 edition

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Non-domestic building services compliance guide - 2013 edition

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Addendum to non-domestic building services compliance guide – 2013 edition

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Detail

This current edition covers the energy efficiency requirements of the building regulations as set out in Part L of Schedule 1 to the Building Regulations and in a number of specific building regulations. Technical guidance is contained in 4 Part L Approved Documents and 2 building services compliance guides.

Please see the addendum to the non-domestic building services compliance guide – 2013 edition.

Amendments to Approved Document L

An amendment document which lists the 2016 changes made to the previous edition of all the Approved Document Ls has also been published.

Archived versions

Archived versions of previous editions are available on the National Archives

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