These extraordinary images show how an enormous jumbo jet has been converted into a luxury home for a mystery billionaire – complete with bedrooms, multiple lounges and an onboard restaurant.

The custom-built Boeing 747 is believed to have cost its ultra-wealthy owner £400 million after it was customised to fit his specifications exactly over a three-year period.

The jumbo jet would normally carry as many as 600 passengers – but this version was built for just a single tycoon, although he will be able to fit dozens of guests.

It contains a large dining room where travellers can enjoy meals cooked in an adjoining kitchen, with a lounge and ‘state room’ at the back of the plane.

More sleeping space is provided in the ‘aeroloft’ on the top deck of the vessel, with eight full beds for passengers who prefer to get some shut-eye on flights.

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jet2The master bedroom of the £400million plane has a huge bed as well as an armchair and sofa for when the owner needs to relax

jet3The conference room of the plane could be perfect for meetings in the sky with its long table in the centre

jet4The lounge decor looks like a luxury hotel, belying its true location inside a plane similar to those used by commercial airlines

jet5This room, which can be used as an office or a guest bedroom, gives a hint to its true location thanks to the porthole-style windows

jet6The main suite could easily be mistaken for a room in a top hotel thanks to its over-the-top decorations

jet7The central portion of the plane hosts a dining room which is attached to a kitchen, allowing the owner to make use of the services of a private chef

jet8The jumbo jet is one of the most luxurious private planes ever built, with the price tag believed to have reached a total of £400million

jet9Parts of the plane are set aside for guests to relax while watching television, as the vessel can carry several dozen passengers

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jet11Images of the lounge show a space very different to the normal aeroplane cabin, with the traditional rows of seats completely discarded in favour of a hotel-like ambience

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jet13The layout of the Boeing 747 is shown in this plan published by Greenpoint Technologies

jet14The luxury interior has been built inside a Boeing 747-8 similar to this one, which can hold up to 600 passengers

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