Grand Designs Season 21 Episode 4 - Bletchley: Self-Heating House

Airdate: 2021-Jan-27

Episode summary:

Energy conservationist Andrew plans to build a radical, self-heating home by storing the warmth of the summer sun into insulated earth banks. But will this gigantic thermal experiment work?

About Grand Designs series:

Series featuring the challenges faced by eight people designing and building their dream houses.