Ship's captain Dorran promised his family he'd build a super-modern underground lair on a hill outside Canterbury. But as the epic build hits choppy waters, will Dorran fulfil their dream? [AD,S]
Harry and Briony are relocating to Cornwall and building an American modernist house inspired by 1980s teen comedy Ferris Bueller's Day Off. But it's a huge and challenging project. [AD,S]
Energy conservationist Andrew plans to build a radical, self-heating home by storing the warmth of the summer sun in insulated earth banks. But will this gigantic thermal experiment work? [AD,S]
In Devon, Joe and Claire hope to create 'one of the greatest homes on the planet' that looks like a huge work of art. But from the start, the expensive build faces mind-boggling problems. [AD,S]
Andy and Jeanette attempt a precarious clifftop build on the west coast of Scotland. There are battles with extreme weather, overrun budgets, an emotional shock and a last-minute change. [AD,S]
Cumbrian couple Rob and Ruth plan to transform a 200-year-old former blacking mill of historic importance into a new-build hybrid. But can they conserve its original atmospheric magic? [AD,S]
In south east London, Beth and Andrew rescue a crumbling Victorian dairy, hoping to turn it into a shabby chic family home fit for modern life. But is the building too derelict? [AD,S]
In 2019, Greg and Georgie set out to transform an old barn in Georgie's parents' garden in Sevenoaks. But unexpected underpinning and the COVID pandemic had other ideas. Is it now complete? [AD,S]
Kevin revisits Stuart and Rosie on the Wirral, who turned their 60s bungalow into an ultra-modern wooden family home for £175k. Is it finished yet? And have the neighbours grown to like it? [AD,S]
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? [AD,S]
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. [AD,S]
Jon and Noreen dreamt of living in a giant treehouse in Gloucestershire. But three years into the build, the money ran out. Are they finally living up in the trees? [AD,S]
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. [AD,S]
In 2019, Olaf and Fritha set out to build on a tricky slice of land in West Sussex, boxed in by an A-road and a train line. Kevin returns to see how their triangular triumph is faring. [AD,S]
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. [AD,S]
A new run of ambitious self-building projects. Artist Sarah returns home to the Durham Dales to build a cannabis-based home. But costs go through the roof. Can she finish her hempcrete hub? [AD,S]
In West Yorkshire's rolling hills, Kara and Jonny build a striking stone and zinc home. The challenges come in thick and fast, but can they pull it off and redefine accessible design? [AD,S]
Howard and Sarah build a sleek, angled, metallic floating home on a tidal estuary near Worthing. But with the constant tidal shifts disrupting construction, will it sink or swim? [AD,S]
Does good architecture have the power to heal? Kevin revisits Elinor and Born, who in 2017 built a clean-aired, hypoallergenic house, motivated by their two sons' extreme allergies.
Adam and Tassy convert a 20-metre-high Northamptonshire water tower into a fun family home with curved walls, slides, secret rooms, a firefighter's pole, a swimming pool and a sky garden. [AD,S]
Kathryn, who's lived on the same London street for 60 years, is building a mirror image of her Edwardian home right next door, but with a 21st-century twist. [AD,S]
In Lincolnshire, high-flyers Zara and Giuliano set out to build a 400-square-metre malthouse-inspired home, but run into problems from the get-go. Can they get the project off the ground? [AD,S]
In 2017, Leigh and Richard bought a derelict Cornish flour mill to restore and turn into their home. By 2021 the rooms and landscaping were still unfinished. Has the grind finally paid off? [AD,S]
On a nostalgic revisit to the first ever Grand Design, from back in 1999, Kevin finds out if Tim and Jules are still flying high in their timber-framed home on the cliffs above Newhaven. [AD,S]
In 2015, Vicky and Ed set out to transform a derelict Somerset cowshed into a 21st-century smallholding. Now Kevin returns. How much did this wildly ambitious project change their lives? [AD,S,SL]
Sarah and Pip are smitten with a 150-year-old Bedfordshire barn that's keeling over. Can they retain its charm and spirit, while also transforming it into a sleek, modern home? [AD,S]
In West Yorkshire's rolling hills, Kara and Jonny build a striking stone and zinc home. The challenges come in thick and fast, but can they pull it off and redefine accessible design? [AD,S]
Furniture maker Lucinda wants to construct a beautifully crafted, two-storey, highly-insulated timber home in woodland in South Herefordshire... without using heavy machinery. [AD,S]
Tony and Ara want to create a house of healing dedicated to health and wellbeing, on a beautiful woodland clearing near Henley-on-Thames. But the site is fraught with emotional landmines... [AD,S]
Can Zahid and Ferzana transform an old coastguard station on an exposed East Yorkshire headland into a bold, three-storey glass box of a family home? [AD,S]
In 2011, Edward and Hazel set out to build a lighthouse on the north Devon coast. By 2019, they were near bankruptcy with just a rusting shell. Three years on, has anything has changed? [AD,S,SL]
Zimbabwean-born Davi and Matt from Australia set out to build a house in Home Counties suburbia with a radical multicultural design. Can they successfully balance a wide range of looks? [AD,S,SL]
Retired racehorse breeder John builds a million-pound, high-tech, accessible glass pavilion with a wildlife garden for him and his wife Helen, whose mobility was badly affected by a stroke. [AD,S,SL]
Kevin revisits Graeme and Melanie, whose hugely ambitious Hackney haven was hampered by a basement bombshell. Have they finally got out of the red and into their modernist home? [AD]
Does good architecture have the power to heal? Kevin revisits Elinor and Born, who in 2017 built a clean-aired, hypoallergenic house, motivated by the extreme allergies of their two boys. [AD,S]
Kevin revisits Graeme and Melanie, whose hugely ambitious Hackney haven was hampered by a basement bombshell. Have they finally got out of the red and into their modernist home? [AD,S]
Kathryn, who's lived on the same London street for 60 years, is building a mirror image of her Edwardian home, right next door, but with a 21st-century twist. [AD,W]
Sarah and Pip are smitten with a 150-year-old Bedfordshire barn that's keeling over. Can they retain its charm and spirit, while also transforming it into a sleek, modern home? [AD,S]
In 2017, Leigh and Richard bought a derelict Cornish flour mill to restore and turn into their home. By 2021 the rooms and landscaping were still unfinished. Has the grind finally paid off? [AD,S]
In 2019, Olaf and Fritha set out to build on a tricky slice of land in West Sussex, boxed in by an A-road and a train line. Kevin returns to see how their triangular triumph is faring. [AD,S]
In Derbyshire, Mike and Sarah set out to build a multigenerational longhouse. But with a complicated roof, a shortage of materials and an unexpected bereavement, it proves far from easy... [AD,S]
Jon and Noreen dreamt of living in a giant treehouse in Gloucestershire. But three years into the build, the money ran out. Are they finally living up in the trees? [AD,S]
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. [AD,S]
Graeme and Melanie want their new home in Hackney to celebrate their blended family. But squeezing the bright red-clad house onto their tiny garage plot proves a huge challenge. [AD,S]
Have Paul and Carol finally finished their fortress-like home on the edge of the wild West Pennine Moors, several years after they ran out of money and time? [AD,S,SL]
Devoted dad Danny builds a sustainable but affordable stilted house up among the trees in his garden. But with no self-build experience and spiralling costs, can he do it on ambition alone? [AD,S,SL]
Duncan and Liz build a revolutionary Passivhaus Premium powerhouse of a home in the Cotswolds. But with a spiralling schedule and lonesome living, will it all be worth it in the end? [AD,S,W]
In 2015, Vicky and Ed set out to transform a derelict Somerset cowshed into a 21st-century smallholding. Now Kevin returns. How much did this wildly ambitious project change their lives? [AD,S,SL]