Houseboats (Season 2 Episode 12 of 16): Three more heat winners compete for two quarter-final places. The Great Interior Design Challenge airs on HGTV at 7:00 AM, Friday 16 February. Three more heat winners compete for two quarter-final places
Worsley Mock Tudor Houses (Season 4 Episode 4 of 9): Two designers transform rooms in Mock Tudor houses. The Great Interior Design Challenge airs on HGTV at 7:00 AM, Wednesday 28 February. Two designers transform rooms in Mock Tudor houses
Edwardian Wimbledon (Season 2 Episode 11 of 16): Three more heat winners battle it out for two quarter-final places. The Great Interior Design Challenge airs on HGTV at 7:00 AM, Thursday 15 February. Three more heat winners battle it out for two quarter-final places
Worsley Mock Tudor Houses (Season 4 Episode 4 of 9): Two designers transform rooms in Mock Tudor houses. The Great Interior Design Challenge airs on HGTV at 7:00 AM, Wednesday 28 February. Two designers transform rooms in Mock Tudor houses
Oast Houses (Season 2 Episode 10 of 16): Three heat-winners battle it out in the first second-round contest. The Great Interior Design Challenge airs on HGTV at 7:00 AM, Wednesday 14 February. Three heat-winners battle it out in the first second-round contest