The Great Interior Design Challenge: 1930s/Surbiton

In the penultimate heat, three more contestants take up the challenge as they use their £1,000 budget and 48-hour time limit to transform sitting rooms in semi-detached 1930s properties in Surbiton, south-west London. Presenter Tom Dyckhoff learns about the history of the houses and the circumstances that led to their construction, before judges Sophie Robinson and Daniel Hopwood decide which contender will progress