6) One Hyde Park, London, UK – $221 Million
Owner: Rinat Ahkmetov – Net Worth: $12.5 Billion
It is the world’s most expensive apartment at $221 million. Owned by Ukraine’s richest businessman Rinat Ahkmetov, this apartment is located in posh Knightsbridge. This 25,000 sq ft apartment has bullet proof glass and 24-hour hotel concierge service. He bought in 2011.
5) Kensington Palace Gardens, London, UK – $222 Million
Owner: Lakshmi Mittal – Net Worth: $16.1 Billion
Owned by steel tycoon Lakshmi Mittal, this property was purchased for $222 million in 2008. He owns three homes on the high security street called Billionaires Row. You will also find a neo-Georgian mansion near the Israeli embassy. Mittal purchased Kensington Palace gardens home for his son from hedge fund billionaire Noam Gottesman.