APPROVED DOCUMENT L1A – Conservation of fuel and power in new dwellings
- Building Design Expert
- 4 years ago
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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)
