Building Regulations Downloads
Relevant documents for roofing and waterproofing applications can be viewed by following the relevent links below:
- Approved Document L1A: Conservation of Fuel and Power in New Dwellings, 2013 Edition with 2016 Amendments
- Approved Document L1B: Conservation of Fuel and Power in Existing Dwellings, 2010 Edition (Incorporating 2010, 2011, 2013 and 2016 Amendments)
- Approved Document L2A: Conservation of Fuel and Power in New Buildings Other Than Dwellings, 2013 Edition with 2016 Amendments
- Approved Document L2B: Conservation of Fuel and Power in Existing Buildings Other Than Dwellings, 2010 Edition (Incorporating 2010, 2011, 2013 and 2016 Amendments)
The Green Guide is part of BREEAM (BRE Environmental Assessment Method) and is an accredited environmental rating scheme for buildings. It was first published in 1996 and today contains more than 1500 specifications used in various types of building.

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