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.
This divisional circular letter informs building control bodies about the removal from the list of Approved Documents of the Approved Document: basements for dwellings from 1 October 2010.