At last it is the final and with only two designers left, there is everything to play for as two contestants go head to head to battle it out to win the prize of their lives.

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

The three remaining interior designers take part in a commercial design challenge to transform three hair salons in Whitstable for a place in the finals.

Working in teams of two, the six remaining designers transform three independent shops in Harrogate.

The five remaining designers set to work on their smallest spaces to date: five 1930s beachside chalets in Eastbourne. Laurence Llewelyn-Bowen is this challenge's guest judge.

The remaining two designers go head-to-head to win a life-changing contract to redesign a top London cocktail bar.

The four remaining interior designers take part in a commercial design challenge to transform two restaurants in Bristol, with a place in the semi-finals at stake.

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 interior designers take part in a commercial design challenge to transform holiday lodges. Presented by Fearne Cotton, with judge Michelle Ogundehin and guest judge Abigail Ahern.

Working in teams of three, the designers make over three classrooms of a children's nursery in Oxfordshire.

Each designer must make over a hotel room at a five-star golf and spa resort on the banks of the River Clyde in Scotland.

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.

The designers must create premium hospitality suites at Twickenham for diehard rugby fans by producing a swanky bar and a stylish dining area.

The three semi-finalists need to put on their best performance as they head to Edinburgh to transform Festival Fringe venues for a place in the final.

Aspiring interior designers take part in a commercial design challenge to redesign two show homes. Presented by Fearne Cotton, with judges Michelle Ogundehin and Matthew Willamson.

The nine remaining interior designers take part in a commercial design challenge to transform hotel rooms. Presented by Fearne Cotton, with judge Michelle Ogundehin and guest judge Jade Jagger.

The eight remaining interior designers take part in a commercial design challenge to transform a country wedding venue in Sussex. Presented by Alan Carr with Judge Michelle Ogundehin.

The five remaining interior designers are challenged to transform beach huts on the Essex coast.

The two finalists are challenged to transform luxury holiday villas in Cornwall. Presenter Alan Carr and judge Michelle Ogundehin must decide who will be the ultimate winner.

The six remaining interior designers take part in a commercial design challenge to transform shop interiors. Presented by Alan Carr with Judge Michelle Ogundehin.

The four remaining designers are challenged to transform two hair salons in Richmond, London. Presented by Alan Carr, with judge Michelle Ogundehin deciding who will go through to the next stage.

The four remaining designers take part are challenged to transform two restaurants in Hebden Bridge.

The remaining eight contenders work on four dated common rooms at Gordano School in Bristol, with two to be eliminated after this challenge.

The nine remaining interior designers take part in a commercial design challenge to transform London offices. Presented by Alan Carr with judge Michelle Ogundehin.

The three remaining designers return to Brighton to discover their penultimate challenge – a hair salon makeover in Bristol.