The House That £100k Built - Season 3

Alistair and Karen hope that building a family home in County Antrim, Northern Ireland, could be the key to a mortgage-free life. Alistair grew up close by and wants his son to have the same childhood he had, surrounded by farmland and playing in the stream. The design must meet the needs of an uncertain future - Alistair was recently diagnosed with MS so they have designed the home with wheelchair access in mind.

Despite retiring, Derek and Christine have no intention of slowing down. They want to move from Huddersfield to the south east of England, but simply can't afford the house prices. Their radical solution? At 71 years old, Derek is attempting to build his first house from scratch.

Following people trying to build a house on less than £100k. Jason and his Finnish wife Riikka don't want a big house, but one which perfectly fits their needs.

Following people trying to build a house on less than £100k. Can you build a family home for just £50k? Neil and Amanda give it their best shot.

With people forced to find their own solution to the UK housing crisis, Kieran Long and Piers Taylor help novice builders discover ingenious ways to turn ordinary homes into extraordinary ones for under ú100k. Kevin and Lesley have designed an eye-catching home which echoes the waves of the nearby sea. Piers Taylor isn't as enthusiastic about the wave shaped roof as the couple, but is far more concerned that they haven't focussed on how they will actually use the spaces. Kieran shows them a house in Dungeness where tricks on every scale are at play, from windows framing features in the view to flooring gently drawing your eye from room to room. As Lesley and Kevin battle on, we return to the most ambitious build ever featured in the series and nine years in the making. Kieran and Piers return to help farmers Sue and Tim who are finally fitting out the interior of their ambitious cantilevered home. But with less than ú10k to spend, what will the completed interior look like?

Jody and Lori have outgrown their cramped house near Southend and are desperate for a modern family home.