Part L specifically refers to thermal efficiency standards and affects insulation and heat loss, aiming to improve the low-carbon efficiency of buildings. The changes listed in this document for Approved Documents L1a, L1B, L2A, L2B are made to take account of a recast of the European Energy Performance of Buildings Directive (Directive 2010/31/EU).
This document has 4 different parts to it:
L1A- Conservation of fuel and power (New dwellings)
L1B- Conservation of fuel and power (Existing dwellings)
L2A- Conservation of fuel and power (New buildings other than dwellings)
L2 B- Conservation of fuel and power (Existing buildings other than dwellings)
To view all the documents click here:
Click here to view Approved Document L1A