The Next Best Thing (1999 – ...)

1999 • 27 seasons • Documentary • TV-G

On August 7, 2026

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Episode 4 — Bletchley: Self-Heating House

Name: Episode 4 — Bletchley: Self-Heating House
Released: 2021-01-27
Duration: 45 min
Cast: Kevin McCloud

Season 21 • The Next Best Thing

Released: 2021-01-27 • Documentary

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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?

Episodes

Episode 1
South West London: Cemetery Keeper's Lodge
2021-01-06

Episode 2
Kent: Converted Barn
2021-01-13

Episode 3
South Lincolnshire: Contemporary Barn House
2021-01-20

Episode 4
Bletchley: Self-Heating House
2021-01-27

Episode 5
Liskeard, Cornwall: Flour Mill House
2021-02-03

Episode 6
Lewes Revisit 2021
2021-07-14

Information

Episode air date	27.01.2021
Episode runtime	45 min
Episode rating	0.00
Genres	Documentary
TMDB series rating	7.1
IMDb series rating	8.5
Series status	Returning series
Age rating	0+
Country	GB

Trailer

Cast

Kevin McCloud
Host

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