By 2016, all new houses in the UK must meet the new Code of Sustainable Homes, which some have called an impossible target. Difficult, but not impossible; here is the first one. described in the Guardian as "the most environmentally friendly home yet built and the first to meet the highest standards laid out in the government's code for sustainable homes."
The Minister of Housing was at the opening: "A quarter of carbon emissions come from our homes. That's why zero-carbon homes are so important," said Yvette Cooper.
"We need a complete revolution in the way we design and build our homes. Many of the technologies exist already, as these new homes show. Now we need more work to test them and deliver economies of scale."