For the grande finale, the two finalists head to the magnificent Blenheim Palace in Oxfordshire to redesign holiday lodges in the grounds.

The semi-finalists transform dressing rooms at OVO Arena Wembley, and pop princess Sophie Ellis-Bextor joins Michelle to decide who will go through to the final.

The designers pair up and hit East Grinstead high street to transform two Grade II listed shops. They need to transform the spaces to impress Mary queen of shops.

The five remaining designers come up with clever hacks to show potential tenants how to turn Sheffield rental apartments into homely spaces - without losing their deposit.

The designers head to Wales as they pair up to work their magic on three Swansea cafes, with the briefs varying from 'Scandi' to 'Industrial' to 'Home from Home'.

The designers are let loose on exclusive hospitality boxes at Ascot Racecourse, with each creating their own personal interpretation of high-end sophistication and luxury.

Nine designers are tested on teamwork as they go wild at Chester Zoo, creating three activity centres for schoolchildren, themed around the wildlife of Brazil, India and Madagascar.

A new batch of interior designers show off their signature style by heading to a former Norfolk convent, turning nuns’ cells into bijoux B&B bedrooms before one wins Stand Out Space.