It's the first quarter-final and four of the winners from the previous eight heats are now ready to paint, sew and build their way to a gain the first two places in the semi-final of the Great Interior Design Challenge. This time the amateurs are taking on four thatch cottages in Milton Abbas, Dorset. Having won a heat already, confidence is running high for all the amateurs, but they have to prove they have versatility and new ideas.