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  4. Approved Document L - Conservation of fuel and power

Approved Document L - Conservation of fuel and power

DCLG has published:

  • new 2013 editions of Approved Documents L1A and L2A
  • further amendments to the 2010 editions of Approved Documents L1B and L2B

They came into effect on 6 April 2014.

To access these and earlier documents, click on the links below.

 

Approved Document L1A: Conservation of fuel and power in new dwellings

Approved Document L1A: Conservation of fuel and power (New dwellings) (2010 edition)

Publication title: Approved Document L1A: Conservation of fuel and power in new dwellings, 2013 edition
Date published: March 2014
ISBN: 978 1 85946 510 3
Price: £9.50 (free to download)

Summary

The 2013 edition of Approved Document L1A, Conservation of fuel and power in new dwellings, is the current edition for use in England*. It came into effect on 6 April 2014 and replaces the 2010 edition (incorporating further 2010 amendments).

Download

Approved Document L1A: Conservation of fuel and power in new dwellings, 2013 edition (PDF 1.74 MB)

 

Approved Document L1B: Conservation of fuel and power in existing dwellings

Approved Document L1B: Conservation of fuel and power (Existing dwellings) (2010 edition)

Publication title: Approved Document L1B: Conservation of fuel and power in existing dwellings, 2010 edition (incorporating further 2010 and 2011 amendments).
Date published: May 2010, reprinted December 2010 with corrections
ISBN: 978 1 85946 325 3
Price: £8.50 (free to download)

Further amendment document to Approved Document L1B

Summary

The 2010 edition (as amended) of Approved Document L1B, Conservation of fuel and power in existing dwellings came into effect on 1 October 2010.

Further amendments to the 2010 edition came into effect on 6 April 2014 for use in England*. They update references to third party guidance and correct some typographical errors. There are no changes to energy efficiency standards.

They add to earlier amendments* that came into effect between January and July 2013 to take account of a recast of the European Energy Performance of Buildings Directive and the introduction of a new Approved Document 7.

Download

These three separate documents make up the current ADL1B guidance and should be viewed together.

Amendments to Approved Documents L1B and L2B 2010 editions. (PDF 127 Kb). Published November 2013, coming into effect 6 April 2014.

Amendments to various Approved Documents, including ADL1B and ADL2B 2010 editions. (PDF 479 Kb) Published December 2012, coming into effect January to July 2013.

Approved Document L1B 2010 edition (incorporating further 2010 and 2011 amendments). (PDF 1.76 MB) reprinted December 2010 with corrections, coming into effect 1 October 2010.

 

Approved Document L2A: Conservation of fuel and power in new buildings other than dwellings

Approved Document L2A: Conservation of fuel and power (New buildings other than dwellings) (2010 edition)

Publication title: Approved Document L2A: Conservation of fuel and power in new buildings other than dwellings, 2013 Edition
Date published: March 2014
ISBN: 978 1 85946 512 7
Price: £9.50

Summary

The 2013 edition of Approved Document L2A, Conservation of fuel and power in new buildings other than dwellings, is the current edition for use in England*. It came into effect on 6 April 2014 and replaces the 2010 edition (incorporating further 2010 amendments).

Download

Approved Document L2A: Conservation of fuel and power in new buildings other than dwellings, 2013 edition (PDF 3.15 MB)

 

Approved Document L2B: Conservation of fuel and power in existing buildings other than dwellings

Approved Document L2B: Conservation of fuel and power (Existing buildings other than dwellings) (2010 edition)

Publication title: Approved Document L2B: Conservation of fuel and power in existing buildings other than dwellings, 2010 edition (incorporating further 2010 and 2011 amendments)
Date published: May 2010 reprinted Decmeber 2010 with corrections
ISBN: 978 1 85946 327 7
Price: £9.50 (free to download)

Further amendment documents to ADL2B

Summary

The 2010 edition (as amended) of Approved Document L2B, Conservation of fuel and power in existing buildings other than dwellings came into effect on 1 October 2010.

Further amendments to the 2010 edition came into effect on 6 April 2014 for use in England*. They update references to third party guidance and correct some typographical errors. There are no changes to energy efficiency standards.

They add to earlier amendments* that came into effect between January and July 2013 to take account of a recast of the European Energy Performance of Buildings Directive and the introduction of a new Approved Document 7.

Download

These three separate documents make up the current ADL2B guidance and should be viewed together.

*These new Approved Documents and amendments give guidance on compliance with the Building Regulations for building work carried out in England. They also apply to building work carried out on excepted energy buildings in Wales as defined in the Welsh Ministers (Transfer of Functions) (No. 2) Order 2009.

 

Order

Priced publications are available from RIBA Bookshops Mail Order, The Old Post Office, St Nicholas Street, Newcastle Upon Tyne, NE1 1RH. Order through the orders telephone line: 0191 244 5557, Fax: 0191 244 5553, Email: sales@ribabookshops.com or visit the RIBA online bookshop to buy online.

 

Earlier editions

2010 editions:

2006 editions:

From 2006 there were four Part L Approved Documents:

2002 editions:

From 2002 there were two Part L Approved Documents:

1995 edition: 

 

Archived documents

2010 Editions:

Please note that these earlier 2010 editions do not incorporate the changes to regulation numbers resulting from the Building Regulations 2010 and Building (Approved Inspectors etc) Regulations 2010. An amendment slip was published which listed the changes:

Interim 2005 editions:

Copyright

See specific copyright terms which apply to the approved documents.