Kevin McCloud, architect Damion Burrows and design expert Michelle Ogundehin visit the final homes in the running for the 2019 Royal Institute of British Architects House of the Year, featuring a property in London with a sculptured copper roof, a Warwickshire home made entirely from exposed concrete, a perfectly crafted timber wedge hidden in a Devonshire arboretum, a Welsh house covered with locally quarried stone and slate, and a London home built with an incredible attention to detail. Finally, Kevin reveals with this year's winner. Last in the series.