But for this to work house-builders needed to be given incentives, he added. "To make a major change I think what we need to do is bring these things into building regulations.
"What we need to do is have a major change in the fixed standard, the absolute guaranteed standards, minimum standards.
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"But you have to make sure that we don't punish the house-builders, particularly the SME house builders, and we make sure that it's incentivised in a way that is profit-driven because that's how we will make major change and that's how you get innovation in tech and innovation in any other industry."
To hear more about green home improvements, how they could work and whether they are worth considering, click on the link above.
carmen.reichman@ft.com
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