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The Best Episodes of Grand Designs Season 27

Every episode of Grand Designs Season 27 ranked from best to worst. Discover the Best Episodes of Grand Designs Season 27!

Binge this in 5h 29m•Peaking at 7.9/10

British television series which features unusual and often elaborate architectural homebuilding projects.

Airs on
Channel 4
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Episode Rankings

  1. #1 Fan Favorite
    Grand Designs Season 27 Episode 4 - Surrey Hills 2025
    7.9/10(19 votes)

    S27:E4

    Pep and Malene are building a modern Viking Hall in the Surrey Hills. Following Pep's cancer diagnosis, it's a race to create a house that cherishes their memories and life together.

    Director:Unknown
    Writer:Unknown

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  2. Grand Designs Season 27 Episode 3 - Pembrokeshire 2025
    7.6/10(23 votes)

    S27:E3

    Armed with £100k and nothing but determination and forest timber, Marcus and Abi defy convention by building an off-grid home with no detailed plans in 20 acres of Pembrokeshire woodland.

    Director:Unknown
    Writer:Unknown

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  3. Grand Designs Season 27 Episode 1 - Durham Dales 2025
    7.5/10(23 votes)

    S27:E1

    A new run of ambitious self-building projects. Artist Sarah returns to her roots in the Durham Dales to create a radical, cannabis-based house. But as costs go through the roof, can she get her hempcrete hub of a home over the line?

    Director:Unknown
    Writer:Unknown

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  4. Grand Designs Season 27 Episode 6 - Revisited – The Wirral
    7.4/10(14 votes)

    S27:E6

    Kevin revisits Stuart and Rosie on the Wirral, who turned their 60s bungalow into an ultra-modern wooden family home for £175k in series 17 in 2016. Is it finished yet? And have the neighbours grown to like it?

    Director:Unknown
    Writer:Unknown

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  5. Grand Designs Season 27 Episode 7 - Revisited – Kent: Converted Barn
    7.4/10(15 votes)

    S27:E7

    In 2019, Greg and Georgie set out to transform an old barn in Georgie's parents' garden in Sevenoaks for series 21 in 2021. But unexpected underpinning and the COVID pandemic had other ideas. Is it now complete?

    Director:Unknown
    Writer:Unknown

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  6. Grand Designs Season 27 Episode 2 - Southwater 2025
    7.2/10(23 votes)

    S27:E2

    Ordering a factory-built house was a no-brainer for manufacturing maestro Pete. But, in true self-building style, even a near-finished project brings challenges like a bat out of hell.

    Director:Unknown
    Writer:Unknown

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  7. Grand Designs Season 27 Episode 5 - Stratford-upon-Avon 2025
    6.7/10(22 votes)

    S27:E5

    Piers and Emma build the first new listed castle in the UK for 100 years, complete with a moat and futuristic tech. It's the biggest ever Grand Design, so is even their £2m budget enough?

    Director:Unknown
    Writer:Unknown

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Season 27 Ratings Summary

"Surrey Hills 2025" is the best rated episode of "Grand Designs" season 27. It scored 7.9/10 based on 19 votes. Directed by Unknown and written by Unknown, it aired on 10/22/2025. This episode is rated 0.3 points higher than the second-best, "Pembrokeshire 2025".