Mitchell Kyrath

The fly-on-the-wall documentary follows UK Sotheby’s International Realty and its wealthy clients. While all the properties shown were spectacular, the most memorable of all is this London mansion on the market for £40 million.

See: Inside Britain's most expensive home

Located in North London's Highgate, home to the likes of Kate Moss, Liam Gallagher and Jude Law, Heathfield House boasts over 18,000 square feet and stands on 2.3 acres of land.

‘The real asset is in the land and the proximity to the village.’ Lee Koffman of UK Sotheby’s International Realty tells Homes & Gardens.

‘It’s a great house for someone that works in town and wants some outside space and freedom.'

See: The Obama house: tour Barack and Michelle's new Martha's Vineyard home

'You can go for a good jog around the grounds of this house, no one can look in, and you’re free from the worry of having to mix with people in parks.

'My client does have an alignment towards butterflies, so you’ll see butterflies throughout the house, incorporated within the design of certain elements,' Lee adds, explaining that in the spa leisure room, butterfly details can be seen in the tiles.

Behind the gates, a 100m driveway lined with neatly trimmed hedges leads up to the futuristic, three-storey home. It has everything any family could possibly need to spend lockdown in total comfort, with a large living space, a wine cellar, a spa leisure room with a sauna and steam room, a games room and a roof terrace, as well as dressing rooms and a laundry room.

It also has a total of seven bathrooms and five bedrooms, each with en suite bathrooms (plus five other bedrooms rooms for live-in staff in the detached house).

Keeping fit while gyms are closed won't be a problem with the property's at-home gym, tennis court and 94ft by 39ft indoor swimming pool – with windows that drop down to lead out onto the garden.

Plus, when it comes to working from home, there's a home office at the top of the building with panoramic views over the garden and Hampstead Heath.

And at the end of the day, a glass lift will take you upstairs to bed.

The mega-mansion, which offers total privacy, has attracted some so-called 'high net worth individuals', with a former prime minister and an A-list musician among its high-profile viewers.

Britain's Most Expensive Houses is available to watch on Channel 4 On Demand.

1. Knightsbridge is undoubtedly the richest part of London, and is home to world-famous department store, Harrods.

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