Home / Series / Grand Designs / Aired Order / Season 21 / Episode 4

Bletchley 2021

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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  • Originally Aired January 27, 2021
  • Runtime 47 minutes
  • Network Channel 4
  • On Other Sites IMDB
  • Created October 1, 2021 by
    Qertyn
  • Modified September 28, 2023 by
    Mattman583 mod