Building Regulations 2010: Approved Documents L Volume 2 Conservation of fuel and power. Volume 2 - buildings other than dwellings (2022 edition - for use in Wales)

Publication Year

2022

Document Status

Current

Abstract

Supports Part L of Schedule 1 to the Building Regulations 2010, giving guidance for compliance with the Regulations for building work carried out in Wales. Deals with conservation of fuel and power for buildings other than dwellings. Covers: the calculation of the target primary energy rate and target emission rate; calculation of the building primary energy rate and building emission rate; consideration of high energy efficiency alternative systems; limiting heat gains and losses; fixed building services efficiency and controls; minimum building services efficiencies and controls; system specific guidance; pressure testing; air permeability and pressure testing; commissioning; providing information; replacement of thermal elements and limiting heat gains and losses; new elements in existing buildings, including extensions; renovation of thermal elements and limiting heat gains and losses; material change of use and change to energy status; work to existing buildings; and consequential improvements to energy performance.

Document History

Supersedes Approved Document L2A Conservation of fuel and power - new buildings other than dwellings (2014 edition incorporating 2016 amendments); and Approved Document L2B Conservation of fuel and power - existing buildings other than dwellings (2014 edition incorporating 2016 amendments) (both Welsh Government, 2014). Comes into effect 23 March 2023.

ISBN

9781803648378

Publisher Information