Sean Simon fell in love with the ruins of Cloontykilla Castle as he played there as a boy. He has now purchased the prpoerty and intends to turn it into a spectacular, theatrical mock 16th century home.

Celia and civil partner Diana want yo build a state-of-the-art modern home to retire to and they have decided to pioneer an entirely new way of building and will construct the world's first computer cut house.

Kevin meets Mary Martin and Carl Turner who want to build something never seen before among the traditional Victorian terraces of Brixton in south London which is a a home that looks like a huge stack of glass cubes.

Lysette and Nigel Offley want to create a dramatic cutting-edge home by the River Thames, in the middle of a community dominated by expensive traditional houses.

Leigh Osborne and Graham Voce intend to convert and extend a landmark 150-year-old, 100-foot-high water tower in the centre of London.

Audrey and Jeff Lovelock plan is to transform a listed Edwardian artists studio with 5,000 square feet of derelict basement rooms below into a bespoke, subterranean home.

Ever since she was young, Indi Waterstone has dreamed about building a house inspired by nature. With her partner Rebecca, she's going to do just that, on the Isle of Skye.

Henning Stummel and his partner Alice Dawson attempt to convert an awkward,covered space, trapped between buildings in the crowded heart of north London into a contemporary family home and office for Henning's practice.

Kevin catches up with Lincoln Miles and his wife, artist Lisa Traxler, who had discovered an uninspiring 70s bungalow on the Isle of Wight on a prime piece of land surrounded by unspoilt ancient woodland and were going to convert it into their dream home.

Kevin catches up with Claire Farrow and Ian Hogarth who began a wild journey in 2010 to create d the ultimate fun family home, right in the heart of London, including a dance floor, dj booth and sauna.

Kevin catches up with Freddie Robins and Ben Coode-Adams who left their two bedroom London flat and took on the conversion of a huge Grade II listed timber framed barn in the Essex countryside.

Kevin saw a ground-breaking co-operative of ten families built their own homes on the edge of Brighton. They where known as 'The Hedgehogs' and were made up of former travellers and those living in insecure accommodation. Kevin catches up with the community over ten years on.