If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email firstname.lastname@example.org.
Please tell us what format you need. It will help us if you say what assistive technology you use.
The purpose of this divisional circular letter is to bring to attention to all building control bodies (“BCBs”) and other interested parties about the results of the consultation published on 5th June 2008 about proposed new editions of the Approved Documents L, which contain practical guidance on compliance with the energy efficiency requirements of the Building Regulations in common building situations.