£80m: most expensive house sold in London | News: "A record price for a London home has been set with the £80million sale of a large detached house in Kensington.

It smashes the previous high of £67million for steel magnate Lakshmi Mittal's home in Kensington Palace Gardens and is claimed to be the world's most expensive single residential dwelling."
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And all because they put "No HOA!" in the ad.