London prices have risen by 10.9%, according to latest Land Registry figures, the fastest rate since July 2010.
The average price of a home in the capital now stands at £409, 881.
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The installation is the first in London by acclaimed British underwater sculptor Jason deCaires Taylor, part of the Thames festival.
Services through Kempton Park were suspended over the weekend due to an "obstruction on the line".
A leading sexual health clinic has apologised after mistakenly sharing the HIV positive status of hundreds of patients in an email.