Colin and Adele have engaged a Swedish architect, an Italian interior designer and a Latvian building company to build their curved glass home. To complete the build, they must overcome contractor issues and the prospect of financial ruin.
A couple on a farm wish to vacate their old asbestos clad home, built after WW2, and buy a modular home from a company 50 miles away from Tunbridge Wells in Kent. The home models are built in a warm dry factory in only 6 weeks.
Ships captain Dorian promised his family he'd build a super-modern underground lair on a hill outside Canterbury. But as the epic build hits choppy waters, Dorian feels forced to take control of the build himself.
Zimbabwean-born Davi and Matt from Australia set out to build a house in the Chess Valley with a radical multicultural design. They decide to manage the venture themselves, and it's not long before the build veers off course.
In Derbyshire, Mike and Sarah set out to build a 21st Century version of a historic longhouse. But with a complicated roof, a shortage of materials and an unexpected bereavement, it proves far from easy.
In Dunstable, John and his wife Helen demolish an old, dilapidated house and in its place, build a million-pounds, high-tech, accessible glass pavilion complete with wildlife garden.
London chef Corinne plans to build a beautifully crafted, wedge-shaped home on a slither of garden down the side of the house she's lived in for 24 years. But Corinne's challenging site sits within a strict conservation area.
In the longest revisit in Grand Designs history, Kevin McCloud returns to Devon to see if Sue and Martin's renovation of two ancient barns has finally come to fruition, two decades on.
Kevin McCloud revisits Vicky and Ed, who in 2015 broke free from the shackles of their hectic London lives to try to build a new life in the Somerset countryside.
Kevin McCloud revisits the Bolton project of builder Paul Rimmer and his wife, Carol, which was started in 2015. The idea was to create a progressive, fortress-like forever home in the wild West Pennine Moors in Bolton.
In the longest revisit in Grand Designs history, Kevin McCloud returns to Devon to see if Sue and Martin's renovation of two ancient barns has finally come to fruition, two decades on.