Allies & Morrison has worked up proposals to extend a grade II-listed former temperance hall in south London with a four-storey timber-clad addition to the rear.

The practice’s plans for the former Sons of Temperance Friendly Society headquarters on Blackfriars Road would increase the building’s floorspace to 1,125sq m, up from the current 665sq m.

The designs, worked up for Italian furniture brand Pianca, would provide the client with a London headquarters featuring around 400sq m of office space and 400sq m of showroom space.

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