The Top 10 Most Expensive Homes In The World And Who Owns

5. 18-19 Kensington Palace Gardens

London, U.K. – $222 Million Owner: Lakshmi Mittal ,  is an Indian steel magnate, based in the United Kingdom. He is the chairman and CEO of ArcelorMittal, the world’s largest steelmaking company. Mittal owns 38% of ArcelorMittal and holds a 34% stake in Queens Park Rangers F.C.