Buckley Gray Yeoman has lodged proposals to radically rework a six-storey neo-classical office building in the City of London just a stone’s throw from St Paul’s Cathedral.

The scheme would remove the portico roof feature of 25 Cannon Street and fill in an existing colonnade, but it would also add new fourth- and fifth-floor terraces with glass balustrades and a roof terrace.

Designed by Jean Paul Carlhian in association with RHWL Architects, and completed less than two decades ago, 25 Cannon Street is unlisted.

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