Huge unmod triplex on Hyde Park Square lists at £10.5m

'Britain's most expensive apartment' - an 18,000 square foot duplex at the game-changing RSHP-designed scheme in Knightsbridge - is said to be up for grabs.

Penthouses at the CZWG-designed scheme behind Upper Street have been achieving up to £2,200 psf.

Developer manages to create another apartment at The Star and Garter, turning an empty void next to the cinema into 'London's smartest new studio'.