One Hyde Park apartment - £140 million
In May 2014, one of the penthouses of One Hyde Park in Knightsbridge sold for a staggered $237 million. This shattered the record of the world’s most expensive apartment – which previous stood at $221 million. With a private wine-tasting facility and an underground passage to a Heston Blumenthal restaurant, it’s easy to understand the size of that price tag.
Villa Leopolda, France - $750 million
Owned by Brazilian philanthropist Lily Safra – whose own net worth tops $1.3 billion – this European mansion in Villefranche-sur-mer was reportedly build for one of King Leopold II’s mistresses. When Russian billionaire Mikhail Prokhorov tried to buy the property in 2008 and the sale fell through, he painfully had to forfeit his deposit – an eye-watering $75 million.
Ellison Estate, California - $200 million
American entrepreneur Larry Ellison’s oriental-style estate was constructed in 2004 for over $200 million. The businessman himself is an avid collector of real estate, and included 10 separate buildings, a man-made lake, a bath house, a tea house and a koi pond across the 23-acre plot.
Antilia, Mumbai - $1 billion
Antilia is the most expensive house in the world. A private property named after a mythical island said to reside in the Atlantic Ocean, Mukesh Ambani’s billion dollar digs take the form of a 400,000-square foot skyscraper, with six levels of underground parking, three helicopter pads and a huge personal gym.
Kensington Palace Gardens - £117 million
Laksmi Mittal bought his $222 million home from hedge fund billionaire Noam Gottesman in 2008. A neo-Georgian mansion located close to the Israeli embassy in Kensington, the house sits on the incredibly expensive – and not-so humbly named – Billionaire’s Row.
Fairfield, New York - $248.5 million
82-year-old American investor Ira Rennert build his quarter-billion dollar home in Sagaponack, one of the most stylish localities in New York State. Comprising 29 bedrooms, 39 bathrooms, three swimming pools, the private property sits on the shores of Fairfield Pond – and necessitates its own power plant to keep running.