Rob Hodgson and Kay Ralph want to create an architectural monument high on a cliff top that could only just about outlive them as the cliff has about 60 years before it disappears into the sea forever.
Rebecca Sturrock and her partner Gregory Kewish have ambitious plans for their property. They plan to transform a damp and small bungalow into a modernised and cutting edge home to be able to share with their twin three year old daughters. The couple have just 80,000 to be able to make this transformation.
Peter Berkin and his wife Chard want to build a new home at the bottom of their garden. They can not agree though any part of the design.
A young farmer, Patrick Bradley, has come up with £100k house design. The house is like nothing ever seen before. He plans to build the house out of four 45-foot shipping containers, welded together to form a giant cross. His Mum hopes that the new house will help find him a girlfriend.
Kevin meets Tracy and Steven who want to build an 'urban shed'. The shed will feature two studios, three bedrooms and a double-height space with a walkway.
Kevin meets Natasha Cargill who wants to build a super eco home in rural Norfolk. The house will be built and clad with wood from the nearby forest. It will also feature two giant extended 'periscope' rooms to be able to view the countryside. Natasha wants the house to be energy efficient so it could end up paying her to live there. Natasha only has £330,000 to be able to spend construction and the build needs to be completed in six months.
Andy and Nicki Bruce want to live on the River Thames, but are concerned about the ever-present dangers of flooding. They hope to build an amphibious or 'floating' house, the first of its kind in the country to combat the problem.
Kevin is in France for a restoration project that has been continuing since 2003. Denise Daniel and Doug Ibbs gave up everything in the UK to start a new life in a remote part of central France, but couldn't have known what was ahead of them when they took on the project to restore a dilapidated manor house.
Kevin returns to the Japanese-Welsh fusion home in the Wye Valley. The home was completely transformed in 2013. Tamayo Hussey has missed Japan ever since she moved to the UK 15 years ago. To push off the homesickness, she decided to complete the house with a Japanese-theme.
Kevin returns to Devon for an update on one of the most inspirational builds on the show. Marine Captain Jon White and his wife Becky were living happily in a small cottage when in 2010, while serving in Afghanistan, Jon stepped on an explosive device. He lost both legs and his right arm. The house they wanted to built had to be able to adapt to Jon's disabilities.