Correspondence
Notices of approval for calculation methodologies: circular letter
This circular draws attention to the publication of a notice of approval for the methodologies of calculation of the energy performance of new buildings to demonstrate compliance with the Building Regulations 2010 in England.
Applies to England
Documents
Details
The purpose of this circular is to draw attention to a new notice of approval for the calculation methodologies for CO2 emissions, fabric energy efficiency and primary energy for new buildings in England.
The approved methodologies should be used from 15 June 2022. The notice sets out which buildings the updated methodologies will apply to and when previous versions of the methodologies may continue to be used.