Published August 20, 2014
Reference - 96 Pages
ISBN 9781859465363 - CAT# Y171308
For Instructors Request Inspection Copy
This guide is referred to in the 2013 edition of Approved Document L1A and the 2010 edition of Approved Document L1B (as amended in 2013) for dwellings as a source of guidance on complying with Building Regulations requirements for space heating and hot water systems, mechanical ventilation, comfort cooling, fixed internal and external lighting and renewable energy systems.