4. Kensington Palace Gardens (London, UK)
Value: $222 million
Owner: Lakshmi Mittal – net worth: $9 billion
Back in 2008, when the Kensington Palace Gardens were put up for sale, they were worth a whopping $222 million. Apart from the Kensington Palace Gardens, owner Mittal is believed to possess another 2 estates on the street that has grown to be known as Billionaire’s Row.
