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Series 5 Episode 1

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

Houses featured include a home in Eton made entirely from cork, an innovative Derbyshire stone cottage, and an extraordinary ultra-low-energy house in Buckinghamshire

Kevin McCloud, Damion Burrows and Michelle Ogundehin visit the incredible homes competing for 2019 RIBA House of the Year