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Series 2 Episode 2

Every year the Royal Institute of British Architects looks for the best new home in Britain, and this time Grand Designs is along for the ride

Kevin profiles five nominated homes that push the limits of residential design, including a hidden house built of glass and concrete and an experimental London extension

Kevin McCloud is joined by Damion Burrows and Zac Monro, as they explore some of Britain's most cutting-edge homes, all of them in the running for the prestigious prize