Proposals designed by Foundation Architecture to demolish the Southwark headquarters of a charity and replace it with a stylistically similar double-sized block are set to be approved by planners.

The practice’s Loman Street designs would deliver a seven-storey building for the Helen Taylor Thompson Foundation which operates as social economy charity CAN Mezzanine. A stone’s throw from Will Alsop’s colourful cantilevered Palestra building, it would contain 4,675sq m of new office space.

CAN’s current headquarters – which is based in a four-storey light industrial building dating back to the 1930s – has 2,361sq m of office space for use as flexible collaborative workspace aimed at other charity groups.

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