The purpose of this divisional circular letter is to inform building control bodies in England about amendments to:
This circular letter and the amendments to the Approved Document apply in relation to building work carried out in England.
These amendments will come into force on 6 April 2018 in respect of:
building notices given, full plans deposited or initial notices given on or after that date
the contract for the provision of the work being agreed on or after that date in cases where no notification to a building control body is required.