Aukett Swanke-designed proposals to add an extra storey to a Foggo Associates office building in Westminster have won the backing of city planners.

Foggo’s Asticus Building, in Palmer Street, was only completed in 2006, with planning amendments and implementation by Lifschutz Davidson Sandilands Architects.

Documents supporting the application to add an extra floor to the 10-storey block said the building had had a vacancy rate of “virtually zero” over its life so far, and that the proposals would result in an additional 743 sq m of office space.