| Great Interior Design Challenge | In the final, two designers face their biggest challenge yet! They must transform three rooms each in a grand stately home in Sussex. S3/Ep15 | Fri, Mar 15, 1:00 pm | Really | 60 mins |
| Great Interior Design Challenge | The final three designers must revamp a sitting room each in a medieval terrace. Who will impress guest judge Orla Kiely and progress to the final? S3/Ep14 | Thu, Mar 14, 1:00 pm | Really | 60 mins |
| Great Interior Design Challenge | Two amateur designers are tasked with redesigning farmhouse kitchens in Yorkshire. Who will impress the judges and win a place in the quarter final? S3/Ep12 | Tue, Mar 12, 1:00 pm | Really | 60 mins |
| New: Great Interior Design Challenge | Four amateur designers are tasked with transforming bedrooms in the thatched village of Briantspuddle. They have three days and £1,000 to spend. S3/Ep4 | Thu, Feb 29, 1:00 pm | Really | 60 mins |
| New: Great Interior Design Challenge | Two amateur designers are challenged to transform reception rooms in an 18th century Scottish castle. Who will win a place in the quarter-final? S3/Ep3 | Wed, Feb 28, 1:00 pm | Really | 60 mins |
| New: Great Interior Design Challenge | The remaining amateur designers are given three days to revamp cottage living rooms in Kent. Each property is grade II listed with individual restrictions. S3/Ep2 | Tue, Feb 27, 1:00 pm | Really | 60 mins |
| New: Great Interior Design Challenge | Four amateur designers are challenged to transform rooms in a converted leisure centre. Actress Sharon gives her room a Bloomsbury-inspired makeover. S3/Ep1 | Mon, Feb 26, 1:00 pm | Really | 60 mins |