Publication title: Approved Document L1A: Conservation of fuel and power in new dwellings (2013 edition with 2016 amendments)
Date published: April 2016
ISBN: 978 1 85946 510 3
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 replaced all previous editions.
The latest set of amendments came into force on 6 April 2016, see details of these amendments.
This Approved Document gives guidance for compliance with the Building Regulations for building work carried out in England. It also applies to building work carried out on excepted energy buildings in Wales as defined in the Welsh Ministers (Transfer of Functions) (No. 2) Order 2009.