See inside the most expensive home in Britain, a mega-mansion worth £250 million

We've lost count of the chandeliers

What is better than one mega-mansion? Two mega-mansions of course. Phones 4u founder, John Caudwell has turned two mega-mansions into one colossal home that is on track to be the most expensive house in the UK.

Related: THIS is the most expensive street in Britain – do you live near it?

Located in Mayfair, one of London's most pricey addresses, the home currently has an estimated value of £250 million. The former businessman bought the Mayfair house for £87 million in 2012, and has spent the last few years renovating the home.

Caudwell's super-home spans 43,000sq ft. If you were in any doubt over how big that is, it is more than twice the size of the Royal Albert Hall. So gigantic.

The renovation of the home is at the heart of Channel 4's new documentary Britain’s Most Expensive Home: Building for a Billionaire, which you can catch on TV this evening.

But, ahead of tonight's exploration into what it really means to renovate a multi-million pound home, why don't we take a peak around some of the already finished rooms?

The most expensive house in the UK

house with white marble flooring and navy blue sofa

(Image credit: Channel 4)

Now this is how you make an entrance, with two glittering chandeliers illuminating a sweeping marble staircase. John Caudwell has previously said that he prefers to fill his homes with price-less built-in features rather than art work or jewellery.

'The value in my house is the house itself, but I don’t keep any valuables. You can’t steal a marble staircase,' he said in an interview with The Times (opens in new tab).

mansion with chandelier and golden trimming on wall

(Image credit: Channel 4)

This home is not short of chandeliers or gold trimmings. This isn't any old gold-coloured paint – 20,000 sheets of gold leaf were used throughout the opulent mansion.

dinning room with dinning table chair and ceiling lights

(Image credit: Channel 4)

One of our favourite rooms in the house, this Thai-themed dining room has been inspired by the owner's favourite cuisine.

A river flows through the middle of the room, filled with handpicked African Cichlid fish. However, it is the pink blossom ceiling installation that we are swooning over.

bar with giant chandelier and round pillar

(Image credit: Channel 4)

We'll take a Martini with an extra dash of glamour in this opulent bar. Most home bars are stowed away in the basement. This one has a chandelier, pillars, and we wouldn't be surprised if it came with a live-in bartender.

bedroom with white bedlinen headboard and cream wall

(Image credit: Channel 4)

This bedroom has stuck to a neutral colour palette, with a champagne coloured headboard, and cream walls with a hint of gold.

personal spa room with chandelier and tiles on wall

(Image credit: Channel 4)

As if having a personal spa including a hot tub and experience shower wasn't enough, we've spotted ANOTHER chandelier!

indoor basement pool with stone fixtures

(Image credit: Channel 4)

The basement, which includes this magnificent indoor pool, connects the two mansions. The space has played on the idea of being underground with stone fixtures and a volcanic lava installation.

If you didn't think that was enough the property also includes a 'car stacker' that takes up to eight cars from street level to storage.

Related: Make your home look more expensive – simple hacks that won't break the bank

You can see the rest of the stunning property on Channel 4 at 9pm this evening.

Rebecca Knight
Rebecca Knight

Rebecca Knight has been the Deputy Editor on the Ideal Home Website since 2022. She graduated with a Masters degree in magazine journalism from City, University of London in 2018, before starting her journalism career as a staff writer on women's weekly magazines. She fell into the world of homes and interiors after joining the Ideal Home website team in 2019 as a Digital Writer. In 2020 she moved into position of Homes News Editor working across Homes & Gardens, LivingEtc, Real Homes, Gardeningetc and Ideal Home covering everything from the latest viral cleaning hack to the next big interior trend.