The House That 100k Built: Tricks of the Trade

In Sutton Coldfield, West Midlands, they come to the aid of builder Lee, who added an extension to his suburban semi. However, two years later the ground floor is half-built, and his partner Jaimelee and their three children are left living in a building site. Meanwhile, Suzanne, Antonio and toddler Sophia struggle with the awkward layout of their west London flat.

In the East Riding of Yorkshire, Chris and Claire need a solution to a problem with privacy in their quirky former Post Office home. The floor-to-ceiling shop windows mean they are overlooked by passers-by, but Robert Jamison has a radical proposal. Mark and Linda live in a narrow house that is too dark and feels too small, so Piers Taylor reveals tricks that can transform it into a brighter home.

Lisa and her son live in a former butcher shop in Derbyshire, and Piers Taylor faces a huge challenge when he tries to help transform it on a budget of just £8,000. There is no kitchen at all, and he must use cost-saving methods to inject color into the house. Meanwhile, in Shropshire, Julie and Richard have fallen out of love with their home, which is a mismatch of styles and eras.

Piers Taylor helps to transform a small three-bedroom house in West London for couple Skye and Matt, who have four children and a fifth on the way. He must find low-cost ways to use every inch of their home, and comes up with a series of sleeping platforms that could utilize wasted space in the loft. Meanwhile, Adam Khan finds an ingenious way of splitting an ordinary home into two.

Cath and Rob and their three children have outgrown their ex-council house in Warwick. Their chaotic ground floor is a series of dark and miserable rooms, while upstairs they have three cramped bedrooms. Unable to move, they are planning a typical two-story extension. Piers's suggestion is to ditch their ambitious extension and instead build a simpler one.

Adam was desperate to remain living in London, but with house prices shooting up, the choice of homes on offer was small, as were the homes themselves. Adam bought one of the thinnest homes in the country. At just six-foot-wide in places, this former alleyway was dark and barely habitable - can Katy possibly find a way to unlock its potential?