A parking space near Hyde Park has been put up for sale for £300,000.
The 11 x 12ft spot at Hyde Park Gardens is being sold by estate agents Kay & Co with a 91 year lease.
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The high of 35C was recorded on a Bakerloo line train between Piccadilly Circus and Oxford Circus at 2pm.
Weather forecasters say temperatures could reach 35C, beating the previous record of 34.6C in the scorching summer of 1976.
After years of political manoeuvring over the future expansion of Heathrow Airport, there has been an important development this lunchtime.