On construction
When the construction of a new building is completed, the builder or person responsible for the construction is responsible for obtaining the certificate and providing it to the owner/purchaser. This is a duty under Building Regulations. This will also apply if a building is converted into fewer or more units, and there are changes to the heating, hot water provision or air conditioning/ventilation services.
Homes will require an EPC on construction or conversion from 6 April 2008.
Dwellings for sale
For existing buildings that are to be sold, the building's owner is responsible for ensuring a certificate is made available to all prospective purchasers at the earliest opportunity.
Homes sold without marketing for sale, e.g. by private treaty between family members or Local Authority, will require an EPC on sale from 1 October 2008.
Dwellings to be let
When dwellings are to be rented out, the Landlord is responsible for ensuring a valid certificate is made available to all prospective tenants as from 1 October 2008.
Commercial and public buildings
EPCs are required for the construction, sale or rent of buildings with a floor area over 2,500m² from 1 July 2008, and for all remaining buildings from 1 October 2008.
Display Energy Certificates will be required for all public buildings over 1,000m² by October 2008.
