Building Regulations 2010: Approved Documents L Volume 2 Conservation of fuel and power and the minimisation of greenhouse gases. Volume 2 - buildings other than dwellings (2026 version - for use in Wales)

Publication Year

2026

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 and the minimisation of greenhouse gases for buildings other than dwellings. Covers: calculating the target primary energy rate and target emission rate; calculating the building primary energy rate and building emission rate; limiting heat gains and losses; carbon and energy performance of building services - general guidance; carbon and energy performance of building services - system specific guidance; air permeability and pressure testing; commissioning fixed building services and on-site electricity generation systems; providing information to the owner about the building, fixed building services and maintenance requirements; replacing thermal elements and limiting heat gains and losses in existing buildings, including extensions; work to thermal elements in existing buildings; and consequential improvements to energy performance.

Document History

Will supersede: Conservation of fuel and power. Volume 2 - buildings other than dwellings (2022 edition - for use in Wales) on 4 March 2027. Will come into effect: 4 March 2027.

ISBN

9781837454877

Publisher Information