Kevin McCloud follows the progress of Simon Bennett and his wife Jill as they try to restore two timber-framed barns in Suffolk. The couple found out that one of the buildings is among the smallest surviving medieval guildhalls in the country, and while Kevin advises the pair to conserve it in its present state, Simon is determined to restore it to its former glory.

The episode was rated 7.09 from 35 votes.

Jonathan and Lindsay want to build a house that's exciting to look at, cheap to run, and ecologically sound. But the build is a battle, with technologies that don't work and a tight budget.

The episode was rated 7.15 from 34 votes.

When Robert and Milla Gaukroger find a plot overlooking Lake Windermere in the Lake District National Park, they reckon they've hit gold.

The episode was rated 7.44 from 41 votes.

Kevin is in Amersham for a second update on a project taken on by Deborah and architect Andrew. Their venture involved designing an 'invisible' house that blended in with the surrounding reservoirs.

The episode was rated 7.47 from 17 votes.

Kevin McCloud follows the progress of architectural designer Lincoln Miles and his wife, artist Lisa Traxler, who want to create their own home on the Isle of Wight. They have bought a property on a prime piece of land and set out to transform it into a creative structure that complements the unspoilt woodland setting.

The episode was rated 7.63 from 51 votes.

Kevin McCloud follows the efforts of Lucie Fairweather to build an eco-friendly house in Woodbridge, Suffolk. After the death of her partner 18 months earlier, and not having a large budget, Lucie is determined to create a beautiful and affordable family home with the help of Jerry Tate, an architect who was involved in the design of the Eden Project

The episode was rated 7.63 from 38 votes.

Kevin meets interior designer Kathryn Tyler, who has decided the best way onto the property ladder is to design and build her own house in her parents' back garden in Falmouth.

The episode was rated 7.69 from 42 votes.

Helen and Chris Seymour Smith are architects who are planning to build a subterranean, eco-friendly house underneath a ruined 300-year-old barn in the Cotswolds. Kevin McCloud follows their progress as they set out to create a building that is airtight and needs no heating, but whose spartan interior raises questions of habitability

The episode was rated 7.72 from 46 votes.

Kevin McCloud returns to see the Sampson family in France. Mark and Deborah (Debbie) Sampson and daughter, Tilley, like to practice an ecologically sound way of life. Together, the family's over-riding desire is to make a statement about who they are and how they choose to live their life, and to be accepted for the way they are by the local people.

The episode was rated 7.76 from 21 votes.

Kevin returns to see whether Bill Bradley has completed the work on his two timber houses in south London.

The episode was rated 7.82 from 22 votes.

Kevin catches up with Thomas and Dervla O'Hare who built a spectacular home on a hillside in Belfast.

The episode was rated 7.83 from 23 votes.

Alan Dawson has invented his own way of making a house, with every piece put together on site in days. But it must all fit perfectly. Only then will Alan know if his unique house works.

The episode was rated 7.88 from 34 votes.

Kevin returns to see how Daren Howarth and Adi Nortje's project has fared four years after they decided to build an earth-sheltered home in Brittany.

The episode was rated 8.03 from 30 votes.