Great Interior Design Challenge

A trio of amateur designers have to redesign houses based on their own tastes and a brief from the owner. Professional judges choose one of the three as the "winner," who goes on to the next round of challenges.

Three more contestants take up the challenge as they transform knocked-through sitting rooms in neighbouring homes in a Salford terrace.

Contestants transform the sun rooms of art deco homes in Beckenham. Amy goes all-out with a Miami Beach theme.

Three contestants redesign the sitting rooms of neighbouring homes in a converted mill in Rotherhithe, south-east London.

Three more contestants try to win a place in the quarter-finals as they redesign the kitchens of three homes in a cutting-edge 1960s estate in Ashtead, Surrey.

Three more contestants try to win a place in the quarter-finals as they redesign the sitting rooms of Georgian almshouses in Southwark, central London.

Three contestants take up the challenge as they transform sitting rooms in semi-detached 1930s properties in Surbiton, south-west London.

Three contestants take up the challenge as they redesign the living rooms of three Regency homes in Brighton, with a quarter-final place at stake.

Four of the quarter-finalists have 48 hours to transform thatched cottages in Dorset, with the help of a builder and a budget of £1,000.

The remaining four quarter-finalists must transform bedrooms in a 1950s tower block in east London.

The semi-finalists are each given the task of transforming a front room in a Victorian Arts and Crafts house.

The two finalists are each given four rooms of a Georgian house in Liverpool to transform in 72 hours on a budget of £4,400.