April 2008 - all new build residential houses will require an EPC as part of the SAP Calculation

April 2008 - all new build commercial buildings require an EPC as part of the SBEM Calculation

October 2008  - all existing commercial buildings greater than 50m2, require an EPC when the building is sold or rented

October 2008 - all new and existing commercial buildings greater than 1000m2 which are occupied by a public authority and allow public access, will require a Display Energy Certificate (DEC

May 2010 - Home Information Packs suspended pending outright abolition by primary legislation