Charlie Luxton meets Lloyd and Caroline, who plan to build a sustainable home in Leicestershire. Charlie is worried that their eco-design might cost them the earth, but former soldier Lloyd is determined to run the build like a military operation. However, even his organisational skills cannot ward off a huge crisis with their budget, and what starts out as a passion project soon turns into an endurance test.

Charlie Luxton travels to Cornwall to meet Sam and Esme, who are building a home in an old quarry overlooking the harbour town of Falmouth. Building against a sheer rock face leaves the couple with a mountain to climb as their budget soars, but a feat of engineering allows this determined duo to crack on in a bid to complete their dream home.

Charlie Luxton meets Olwen and Ben, who are embarking on a daring self-build in the picturesque town of St Andrews. But building something new in the oldest part of this medieval Scottish town is not for the faint-hearted, and soon both their timescale and budget expands - as does their family.

Charlie catches up with Graham and Nicky, who planned to build an ambitious family home in the Devon countryside. Six years on, is it finally finished?

Charlie meets Tom and Laura, who are realising Tom's long-held ambition to build a home on his family's farm in Somerset. But there's an issue with their plans...

Charlie's in Hampshire with Ryan and Jenny, as they bring a derelict barn back from the brink. But keeping the rickety shell upright is easier said than done...

Charlie's in leafy Surrey with Chris and Gemma, who are building an Arts and Crafts-inspired home of grand proportions while juggling a growing family

Charlie's in Hertfordshire with Bob and Wendy, who are creating the perfect place to play music, paint and write in their garden. But will they finish the build with their ever-expanding budget?