According to BERR, it will work with businesses to help create conditions which will enable them to reduce their energy bills, slash their carbon footprint and help the UK meet its climate change commitments.
A BERR spokeswoman said: "DECC has the lead on energy and climate change and all government departments have a great responsibility for climate change.
"We have close links with companies across the board that will help businesses work to a low-carbon economy."
According to the World Business Council for Sustainable Development, the building sector must cut energy consumption in new builds by 60 per cent before 2050.
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