Grand Designs: Season 27
Season 27 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Picks up essential narrative continuity directly following the events of Grand Designs Season 26.
- Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
- Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
- Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
Episode Guide
Season 27 Progress Shield
Durham Dales 2025
Oct 1, 2025 · 47 min
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, ca
Southwater 2025
Oct 8, 2025 · 47 min
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 h
Pembrokeshire 2025
Oct 15, 2025 · 47 min
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 wo
Surrey Hills 2025
Oct 22, 2025 · 47 min
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 togethe
Stratford-upon-Avon 2025
Oct 29, 2025 · 47 min
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
Revisited – The Wirral
Nov 5, 2025 · 47 min
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 th
Revisited – Kent: Converted Barn
Nov 12, 2025 · 47 min
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 o