APPROVED DOCUMENT L2B – Conservation of fuel and power in existing buildings other than dwellings

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Approved Document L2BApproved Document L1B and L2B amendments

Summary

Date published: May 2010 reprinted Decmeber 2010 with corrections

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.