Steve and Celine's tatty 1960s A-frame has become a neglected embarrassment. George enlists innovative architect Graeme Williamson to help revive it.

George visits a 1920s house in south London that isn't just dark and ugly, some of it's been condemned. Can the owners and a smart architect transform the place on a tight budget?

Lucas and Hayley's 1970s home is bland, boxy and has a dysfunctional garage. Can architect Chris Dyson's radical ideas turn things around?

George revisits Mandy to see if she has completed the transformation of her upside-down house into a stylish, contemporary family space