DCLG unlocks data on building energy performance

Greater transparency on lacklustre building energy performance could help catalyse urgently needed action - but opt-outs could yet limit the benefits

The Department of Communities and Local Government (DCLG) has notified its intention to publish some 723,000 non-domestic Energy Performance Certificates (EPCs) and Display Energy Certificates (DECs).

DECs refer to actual performance of a building while EPCs are based on predicted performance. Both must be publicly displayed in larger public and commercial buildings frequently visited by the public.

The notification, in the form of a letter issued on 5 January, was made in response to a request under the Environmental Information Regulations 2004. 

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