Value: $1 billion
Details: The Antilia isn’t even really a home in the traditional sense. This 27-story, 400,000-square-foot building has six underground parking floors, three helicopter pads, and requires a 600-person staff just to maintain it.
Owner: Mukesh Ambani—India’s richest man, with a net worth of $23.6 billion, according to Forbes. Ambani made his money running Reliance Industries, an energy and materials company.
Value: $1.55 billion
Details: Technically still a house, but certainly not for sale, the Queen’s residence was valued at roughly $1.5 billion by the Nationwide Building Society in 2012. The property holds 775 rooms, including 19 state rooms, 52 bedrooms, 188 staff rooms, 92 offices, and 78 bathrooms.
Owner: The British Sovereign—Currently Queen Elizabeth II, who has ruled since February 6, 1952.
originally posted at http://time.com/money/3585583/worlds-most-expensive-houses/