LONDON - SEPTEMBER 16:  The view from the sunspace inside the show home in the eco village on Helio Road in Wallington,Surrey which had its doors open to the public for London's Open House weekend on September 16 in London, England. The urban eco-village BedZED project was the first of its kind, based on the environmental principle, 'zero energy,' 'zero carbon emissions'.  (Photo by Cate Gillon/Getty Images)