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Building Regulations Part L: Approved Document L1B (2013 edition, effective 6 April 2014) requires a 25% improvement over 2006 standards for every ...

Part L (2013 edition, effective 6 April 2014) requires new build homes to be 6% more energy efficient than those built under the 2010 edition's sta...

DCLG This AD supports requirement R1 of Schedule 1 to the Building Regulations 2010. Requirement R1 is to equip new buildings, and existi...

Part L (2013 edition, effective 6 April 2014) requires new non-domestic buildings to be 9% more energy efficient than those built under the 2010 ed...

Part L (2013 edition, effective 6 April 2014) requires new build homes to be 6% more energy efficient than those built under the 2010 edition''s st...

Building Regulations Part L: Approved Document L1B Conservation of fuel and power in existing dwellings (2013 edition, effective 6 April 2014) requ...

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 dwell...