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]
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]
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]
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]
Corinne plans to build a beautifully crafted, wedge-shaped home on a sliver of garden down the side of the house she's lived in for 24 years. But it sits in a strict conservation area... [AD,S]
In south west London, Elinor and Born plan to build Britain's first hypoallergenic house, to alleviate their two young sons' life-threatening allergies, in a race against time. [AD,S]
Adrian and Megan plan to build a concrete home in Sussex. No carpets, no plaster - just concrete, inside and out. And with cutting-edge technology that's never been used for houses before. [AD,S]
In south west London, Kevin McCloud meets Justin, who's restoring a neo-Gothic cemetery keeper's lodge and converting its toilet into a luxury ground-floor extension with a moat and pool. [AD,S]
Young architect and shed fanatic Micah Jones plans to turn a dilapidated agricultural building into an upside-down four-bedroom home in County Down's rolling countryside. [AD,S]
Design engineer Mark, who has paralysis from the waist down, plans to build a cutting-edge, accessible family home for £600k. But it's a huge emotional strain for him and his wife Penny. [AD,S]
Kate and Rob replace their 1940s past-it prefab with a bespoke, modern, factory-built home using volumetric modular construction. But will it feel like the characterful home they dream of? [AD,S]
Kevin McCloud revisits Strathaven in Scotland, where flying instructor Colin and trapeze enthusiast Marta built an incredible metal home inspired by aircraft hangars on their own airfield. [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]
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]
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]
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]
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]
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]
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]
Kevin McCloud meets Jaime and his wife Mimi, who are converting a listed mini castle in Buckinghamshire into a family home. But will their wildly optimistic schedule be a problem? [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]
While recovering from leukaemia, Toby planned a radical new home - wrapped around an ancient oak tree - to improve his health and provide for his family. But building it isn't easy. [AD,S]
Geoff's selling up in Spain to build a flood-resistant architectural marvel on a flood plain on the Essex coast. Will he sink or swim when Covid hits and Spain's property market collapses? [AD,S]
Dan and Nina want to build a unique family home, but their plot is dominated by a pond filled with local drainage. Will their West Sussex house be sublime and sleek or a Shrek-like swamp? [AD,S]
In north London, Mark and Penny seek to blend period and cutting-edge architecture as they restore a derelict Victorian gatehouse on a steep hill, and add a giant black zinc-clad extension. [AD,S]
Angelo Mastropietro plans to spend £100,000 to almost single-handedly build himself a 21st-century cave in a damp, dark, abandoned space in Worcestershire. Can it be done? [AD,S]
Tom and Danielle use their steam-bending skills to build a wavy wooden house full of twisty furniture in Cornwall. But with a relatively modest budget, have they taken on too much? [AD,S]
In Devon, Mark and Candida are building a timber-clad house in the shape of a plough. It includes a huge, complex, curvy roof, a timber frame and a working barn made of steel and Devon cob. [AD,S]
Kevin McCloud meets Clinton from West Sussex, who's willing to spend whatever it takes to build one of the largest homes ever to feature on Grand Designs. [AD,S]
Paul Rimmer has worked with bricks for 40 years, renovating Victorian houses in Bolton. But now he plans to hand-build his own state-of-the-art wooden home - if his funding holds up. [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]
Gretta plans to build a Malaysian-inspired pavilion, designed by her nephew, on her sister and brother-in-law's land in Ely. Will this family affair and story of renewal end in harmony? [AD,S]
Iain and Jenny build an enormous black minimalist rectangular building in the middle of a 19th-century country estate in the dramatic Scottish countryside. What will the neighbours say? [AD,S]
Stuart and Rosie turn their 1960s bungalow on the Wirral into a slick piece of 21st-century architecture. But what will the neighbours make of their ultra-modern wooden design? [AD,S]
Fred and Saffron build a family home on a steep slope in the Peak District, with the top floor in plain sight and two post-industrial-style floors buried into the thick limestone below. [AD,S]
Joe and Lina are fed up with renting but can't afford to buy. So they're building their own clever, space-saving two-bedroom home for £160,000, on a tiny plot in east London. [AD,S]
Despite a lack of experience, former RAF pilot Jon project manages the construction of a three-storey upside-down home clinging to a steep slope in the Malvern Hills in Worcestershire. [AD,S]
Steph and her husband Alex plan to build a contemporary farmhouse on Steph's grandfather's old farmland. But a lack of money leads to a long spell in a caravan and a total redesign... [AD,S]
Edward and Hazel plan to build a shining white art deco lighthouse on a rugged but beautiful clifftop in north Devon. But almost immediately, their wildly optimistic plan runs into trouble. [AD,S]
Architect David Parsons has designed a sleek, black-clad house hidden away in an idyllic Essex woodland. But will having no windows on two sides make this dream home into a bunker? [AD,S]
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 costs start to spiral almost immediately. [AD,S]
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]
Can Leigh and Richard transform a derelict 17th-century Cornish flour mill, which is full of rotten timbers and riddled with structural cracks, into a warm, contemporary four-storey home? [AD,S]
Kevin McCloud returns to Devon to see Kevin McCabe, who wanted to build one of the biggest ever houses on Grand Designs - out of mud. Seven years after it began, the cob castle is complete. [AD,S]
Tracy and Steve Fox want to build an 'urban shed' out of industrial materials in an old milk yard in south east London. But their choice of unorthodox materials proves challenging. [AD,S]
Peter and Chard are building a new home. But he wants it to be round while she says it should be square. They're envisaging vastly different budgets. Oh, and it needs a plane workshop. [AD,S]
When he lost three limbs in Afghanistan, Jon's life changed forever. Now he wants to build a house that allows him to live independently. The design's cutting edge, but the budget spirals. [AD,S]
The 100th episode of Grand Designs follows a couple in central London converting a water tower into a four-bed luxury home over nine floors, crowned with a 360-degree viewing room. [AD,S]
Confirmed city dwellers Michael Butcher and Phil Palmer have moved to the country to run a farm, start a microbrewery and create a vast, dramatic 21st-century farmhouse to live in. [AD,S]