Heather and Phil are building their dream kit home on a clifftop on Scotland's rugged north-west coast - at the end of a winding eight-mile single-track road.
While on holiday, Ruth and John fell in love with the isolated wilderness of the Isle of Harris. After deciding to move to there and finding no suitable houses for sale, they take on the challenge of constructing their own dream home.
IT guru Steve and his wedding entrepreneur wife Sharon have to balance busy working lives with looking after their two kids, that is until a trip inspires them to setup their new lake-front home.
Nature-loving Bill and Sukie move from their six-acre smallholding in the picturesque Scottish Borders, and take on the challenge of building a sustainable 'kit' home.
In Surrey, Charlie meets Wolfgang, who wants to construct a building to house his 10 classic cars, with the flexibility of converting it into a large, sustainable family home in the future.
Fiona is pioneering a brand-new, beehive-inspired kit home on her seriously steep plot in the picture-perfect Tamar Valley, but her schedule and budget start to spiral out of control.