Helen and Gary have plans for an affordable, and very big, self-build in York. Charlie's the boss of a bricklaying company and hopes his contacts can ensure a smooth build. But it doesn't go to plan.

On the Suffolk coast, Charlie Luxton helps newly-retired Marisa and Andrew set out to build a bespoke home that'll turn heads, but fate deals them a painful blow

Charlie Luxton is in Wymeswold in Leicestershire with Ally and James, who've taken a gamble buying a tricky site that eats up almost all of their cash before work even begins

Rookie builders Sean and Jill are building a traditional home with a contemporary twist on an exposed Derbyshire hillside, while living in a caravan with their four children, a dog and eight puppies

In Devon, Charlie revisits glassblower Siddy, who hoped to transform her studio into a home and workspace. After years of disasters, is her dream a reality?

Tom and Georgina plan to renovate and supersize a run-down bungalow. But when Charlie offers his opinion, the project takes a new direction, and knocking down and starting again piles on the pressure.

Charlie's in West Yorkshire with Phil and Adrienne who plan to build a modern home on a tricky sloping plot. But will a family tragedy stop them in their tracks?

Charlie's in Essex with financial analysts Ronnie and Dana who want to convert an ancient barn into a stunning home, but can they keep their costs under control?

Charlie's in Norfolk with Ness and Tony who have ambitious plans for their self-build, including a seven-metre-high tower clad in flint. But time and money start to run out...

Charlie's in Hampshire with Nikki and Darren, who've struck gold with their stunning seaside plot but don't have the budget to match their million-pound view