In Devon, George meets Val, who's invested her life savings into building a stargazing cabin with a twist. George also visits a vintage horsebox and a Norwegian Viking-inspired longhouse.

Chitty Chitty Bang Bang gets an extension on the Isle of Wight. Plus: a Moroccan oasis in the Cotswolds, and George seeks inspiration for his secret garden studio flat.

An ambulance gets a new lease of life as a ski chalet on wheels, an oil rig lifeboat owner makes his build shipshape, and George and Will experience a slice of Africa in the Midlands.

A 1920s railway carriage is converted into a luxury gym and sauna, a Victorian lady's loo is turned into a romantic getaway and George visits a French chateau in Buckinghamshire.

George Clarke explores the extraordinary world of small builds, where people turn tiny spaces into the most incredible places to live, work and play. He even tries making a few of his own. A lifeboat is converted into a camping pod, a mum and three daughters create a charming straw bale house, and George enjoys an oriental delight on the Isle of Wight.

A VW gets a transformation, a bomb shelter's converted into a bijou bar.

A couple create an ambitious floating home, George and Will make a magical vista in their garden flat, and two siblings build their own mobile homes away from home

A touring theatre performer has an ingenious plan to keep the show on the road, quite literally. George and Will complete their studio flat that also converts into a magical secret garden.

George and Will Hardie aim to build a beach hut that can sleep four and float, but they only have six square metres. They seek inspiration from a high-end hut in Dorset, an ingenious space-saving houseboat in Germany and a 'half house' in London.

George and Will Hardie take inspiration from an 1830s camera obscura and a futuristic planetarium to create an observatory in honour of George's star-loving late father.