Russian billionaires out, US billionaires in: Mapping London’s super-prime property market property Filings have shown a Kazakh billionaire has sold his Mayfair mansion for £35m. What does it say about London's super-prime property market?
Kazakh billionaire offloads Mayfair property for £35m Property A Kazakh oligarch worth an estimated £5bn has sold his London mansion for just shy of £35m in one of the largest deals this year.