"There is an absence of a strong consumer demand at present, there is an absence of a clear delivery plan set out by government and there is an absence of knowledge and skills," he said at the recent Cut the Carbon event.
If Mr Berry's proposals are taken up and households receive extra information on reducing their consumption of power, as well as the associated environmental benefits, many may find they are saving on their fuel bills.
The expert's recommendations included more training for builders of new homes and the introduction of a sustainability code for homeowners.
An alternative focusing on business energy efficiency is already in place, in the form of the Carbon Reduction Scheme.
Posted by Anne Yevel
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