8Kensington Palace Gardens – London, UK

Estimated Price: $190 Million. Located on one of London’s most exclusive streets, Kensington Palace Gardens is home to many of the world’s richest and most influential people.

One such house, owned by Roman Abramovich, the Russian billionaire, is a sprawling mansion valued at $190 million.  With proximity to Kensington Palace and Hyde Park, this property offers unmatched privacy and elegance in the heart of London.