What is the Most Expensive House in the World?

Other than rumored crowned-prince of Dubai property, the Updown Court which has been reportedly one of the most expensive house ever built which cost for about 70-million pounds along with Palace Gardens owned by one of real estate tycoon in Britain, is there any other most expensive house in the world that could reach the level of the two mansion cost? If there is, probably, might be the house of Mukesh Ambani from India.

They call it Antilla house, Mukesh Ambani new 22-story house named to one of the mythical island which is rumored at the heart of the Atlantic.

Here's a story we found recently from Born Rich which described a little thing about the Antilla house of Mukesh, the recorded 5th richest man in the world,

The topmost levels will exclusively be used to entertain business guests. So how many people will it take to maintain such a loft? An unofficial figure listed the number of employees for the home at 600, but at the rate this palatial home is getting blinged out, we wont be entirely surprised if the number increased by a couple of hundreds more!

This might be the most expensive house in the world that will start to sparked and gather the attention of real estate attention soon. Although there is no official reports in regards with this, here's a photo of Antilla,