Grand Designs: Season 21

21x04 Bletchley: Self-Heating House
TV-PG

  • 2021-01-27T21:00:00Z on Channel 4
  • 45m
  • United Kingdom
  • English
  • Documentary
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?
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