Tom and Lori from London decide to leave the city and build a home at Graven Hill in Oxfordshire to give them a taste of the countryside and allow them to embark on an architectural adventure. They plan to build as much as they can themselves while leaving the groundworks and frame to the professionals but before they can begin they discover the groundworks are out of alignment with the frame.

Shop owner and jewellery maker Karen builds her version of a mountain hut in central Glasgow, inspired by hikes in the Scottish Highlands. After waiting five-years to get started, the project leaps into action when Karen and her neighbour agree to lay out their foundations together using the same contractor. Retiree William is building an old-style home next door, the pair come across some hurdles building next to each other.