Grand Designs
More 4
Friday 21 August 2026 19:55 - 21:00 (65 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, Save, Mark, Christmas, Discreet, Nescafe Gold Blend, Chase, Perfect, Fairy, Susan, Taco, Channel, Opportunity, Aviva
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