In St Margaret's Bay, Kent, John and Suzanne are in the middle of transforming a three-bed mid-century property into a five-bed Art Deco home. Mark Millar helps with their attempt to create two fun-filled bathrooms, a master bathroom upstairs and a guest bathroom downstairs. In Harrow, north-west London, Mark also assists single mum Kelly and daughter Kel-Cee. They are stuck in the middle of a kitchen extension build that's ground to a halt