The UK Green Building Council (UK-GBC) is today calling for the mandatory display of an A to G rating for the energy efficiency of all non-residential buildings, to drive efficiency, cut costs encourage refurbishment.

It said the measure should be introduced as part of the Energy Bill.

Display Energy Certificates (DECs) provide both an 'at-a-glance indicator' and detailed technical information on the energy performance of buildings.

The recommendations, including detailed proposals to implement a practical roll-out, are the results of an in depth consultation with a cross-section of UK-GBC members, which will be launched today at an event with the Communities and Local Government Minister Andrew Stunell MP.

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Key recommendations include:

• DECs should become mandatory for all non-domestic building occupiers, with a phased roll out starting in 2012.
• Landlords should also be required to display certificates showing the energy efficiency of the services they provide. Landlords must pass data to occupiers; this should be based on the Landlord's Energy Statement (LES) which has been developed by the private sector.
• DECs should be used to produce a range of publicly accessible league tables based on occupiers, landlords, sectors, buildings types and uses. This could replace the current Carbon Reduction Commitment league table for those organisations in the buildings sector.

"There is a window of opportunity to do this in the Energy Bill currently going through Parliament. A to G ratings for commercial buildings will provide a reputational driver for both landlords and tenants to take energy use more seriously, leading to carbon and financial savings."

(CD/GK)