A Guard of Honour lines up in formation outside Buckingham Palace
Buckingham Palace is the world's second most expensive homeGetty

London is home to the most expensive house in the world, and it's not Buckingham Palace.

Comparison site CompareCamp.com compiled a list of the 10 most expensive houses across the globe, and at $1.58bn, Ukrainian oligarch Elena Franchuk's Kensington home takes the top spot.

Buckingham Palace, home to the Queen, takes second with a valuation of $1.55bn.

Overall, four of the 10 most expensive homes are located in the UK, including that of Chelsea owner Roman Abramovich, whose $140m home is located in Kensington Palace Gardens.

Oprah Winfrey's Santa Barbra Estate, worth $85m, is the most expensive of all the celebrity homes.

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