Worth noting: regular housing in London currently changes hands for £1000-1500 per square foot (that's US $1600-2400 per sq. ft.). In Knightsbridge and Belgravia you can add a zero to the end of that; these are areas where Eric Schmidt couldn't afford to buy a modest family house. Most of the home-owners are oligarchs, sheikhs, and sovereign wealth funds speculating in London real estate futures.