The BEST episodes of Grand Designs season 21

Every episode of Grand Designs season 21, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Grand Designs season 21!

Presenter Kevin McCloud follows some of Britain's most ambitious self-building projects, as intrepid individuals attempt to design and construct the home of their dreams.

Last Updated: 5/1/2024Network: Channel 4Status: Continuing
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Sevenoaks, Kent 2021
star
7.97
63 votes

#1 - Sevenoaks, Kent 2021

Season 21 - Episode 2 - Aired 1/13/2021

Greg and Georgie plan to convert a cavernous, dilapidated, 35-year-old barn in Georgie's parents' garden in Kent into a peaceful safe haven. But budget-squeezing building work soon sets in.

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Bletchley 2021
star
7.86
58 votes

#2 - Bletchley 2021

Season 21 - Episode 4 - Aired 1/27/2021

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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South West London 2021
star
7.86
63 votes

#3 - South West London 2021

Season 21 - Episode 1 - Aired 1/6/2021

Kevin McCloud returns with more ambitious self-builds. In south west London, Justin's restoring a neo-Gothic cemetery lodge and converting its toilet into an extension with a moat and pool.

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Liskeard, Cornwall 2021
star
7.85
59 votes

#4 - Liskeard, Cornwall 2021

Season 21 - Episode 5 - Aired 2/3/2021

Leigh and Richard plan to transform a derelict 17th-century flour mill, full of rotten timbers and riddled with structural cracks, into a warm, contemporary, four-floor, three-bed home.

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South Lincolnshire 2021
star
7.81
43 votes

#5 - South Lincolnshire 2021

Season 21 - Episode 3 - Aired 1/20/2021

Nathan and Amye are building a cathedral-like home modelled on local Dutch barn houses with a sleek twist and a 5000-tile armadillo roof. But the pressure mounts for project manager Nathan.

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Lewes Revisit 2021
star
7.55
20 votes

#6 - Lewes Revisit 2021

Season 21 - Episode 6 - Aired 7/14/2021

Kevin McCloud revisits Adrian and Megan, whose dream home in East Sussex became a nightmare. With the house now fully complete, what is living in a cutting-edge concrete bunker really like?