Grand Designs

Season 21 Episode 4: Bletchley: Self-Heating House

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?

Genre:

Documentary

Seasons:

28

Episodes:

259

Cast:

Kevin McCloud

Quality:

HD

Duration:

45 min

First Air:

1999

Rating:

7.1