Foster & Partners has drawn up proposals to radically refurbish the Mayfair branch of the Fenwick department store, adding five new upper floors and roof terraces to the buildings, the centrepiece of which is 136 years old.

The practice’s plans, which have been submitted to Westminster City Council, aim to “rejuvenate the site” at the junction of Brook Street and New Bond Street when the department store closes next year.

Fosters’ scheme includes the demolition of some elements of the buildings – and a neighbouring unit in New Bond Street, with façades being significantly raised.

…