An ambitious couple set out to build a revolutionary eco homein the Cotswolds, which will not only use very little energy,it will also produce four times the energy it needs.Environmental consultant Duncan is planning to manage theproject himself, moving out of the London home he shares withsolicitor Liz to live near the site. But although he is totallycommitted, he has never faced anything like this before, andalmost inevitably the technically complex 18-month build,while living apart takes its toll on the couple.
