APPROVED DOCUMENT L1A – Conservation of fuel and power in new dwellings

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  • 3 years ago
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Approved Document L1A

Summary

Date published: March 2014

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)