Grand Designs S10 E09 The Brittany Groundhouse: Revisited

In 2006, Daren Howarth and Adi Nortje moved from Brighton to Brittany to take on a huge life experiment. Their plan was to build an earth-sheltered home almost entirely from recycled materials, and to live the most sustainable lifestyle as possible. Now that the work is finished, Kevin returns to see whether their big life experiment has been a success.