Green mortgages: could your loan help make Britain greener?

Many of the UK's biggest lenders now offer deals that reward buyers of energy efficient properties

Homes account for more than a fifth of the UK's total CO2 emissions, which may help explain why the government and others believe green mortgages could be a gamechanger for moving to a sustainable future.

Although they have been around in one form or another for some time, environmentally friendly mortgages have yet to take off in a big way: a poll published this week found that 94% of brokers had never sold one.