Grand Designs
Channel 4
Thursday 30 July 2026 03:45 - 04:40 (55 mins)
Energy conservationist Andrew plans to build a radical, self-heating home by storing the warmth of the summer sun in insulated earth banks. But will this gigantic thermal experiment work? [AD,S]
Mentioned: Andrew, Margretta, Mike, Mark, Christmas, Luckily, Channel
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