Great Interior Design Challenge

Amateur designers Scott, Fiona and Francesca design rooms in neighboring 17th-century cottages.

Three new designers take on three 1920s beach huts on Canford Cliffs beach.

Architectural historian Tom Dyckhoff joins three designers in unlocking the history of three grand medieval homes in Lavenham, Suffolk.

Our amateur designers will take on the open-plan living and dining rooms of three Victorian terraced houses in the heart of London's East End.

The designers must transform a bedroom each for three sisters living in a row of cottages.

Three new designers must update three identical living rooms in the handsome town of Welwyn Garden City.

The amateur designers redesign large open-plan reception rooms in 21st century Eco Homes in Greater London.

Designers must transform a master bedroom each in Dutch-influenced model village, Port Sunlight.

In the last of the nine heats, three new designers tackle the master bedrooms of three 1930s Hollywood-inspired apartments in West London.

The amateurs take on awkward dimensions in converted Oast houses.

The designers transform reception rooms of three Edwardian houses in Wimbledon.

In this unique challenge, amateur designers transform multifunctional rooms in houseboats on the River Thames.

Three previous winners battle it out for two places in the semi-final.

Three previous winners compete for two places in the semi-final by transforming double-height reception rooms in an imposing Edwardian school conversion.

In the semi-final, four previous winners will work with higher stakes and a higher budget to convince the judges they deserve a place in the grand final.

To win the title, the final two designers must ace their final challenge: transform three rooms each with a budget of £4000 in four days.