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The Tallest House in the World: Antilia

The Antilia house, the worlds tallest house, which unveiled its first renderings just over two-years ago has become a reality, boasting 27 stories at 568 feet high, with a total area of over 398,000 square feet of living space. The building is named after the mythical Atlantic island of Antillia.

What at first glimpse looks and sounds like a typical skyscraper is far from it. The Antilla is in fact a $1 billion family home built for India's richest man (and Forbes' fourth richest man) Mukesh Ambani (chairman of Reliance Industries), his wife, his three children and his mother.

The extremely tall house is the product of a partnership between architecture firms Perkins+Will and Hirsch Bedner Associates. The building, which has taken nearly three years to complete, hosts 27-stories that would in fact hold 60-stories, had Ambani settled for standard-height ceilings, rather than opting for an exceptionally high floor-to-ceiling program. Even though it is so tall, the house was designed to survive an 8-richter scale earthquake.

The Antilia building is situated on an ocean-facing 4,532 square meters (48,780 square ft) plot at Altamount Road, Cumballa Hill, South Mumbai, towering over surrounding structures less than half its size. In August 2008, Altamount Road was the 10th most expensive street in the world at $25,000 per square meter ($2,336 per square ft).

The house contains a health club with a gym and dance studio, a swimming pool, a ballroom, guest rooms, a variety of lounges, and a 50-seater cinema. Three helicopter pads have been installed on the roof, and a car park for 160 vehicles sits on the ground floor. Clearly more space than a housekeeper, or full hotel staff can handle, the Ambani family has employed a staff of 600 to tend to the house.