The property is a modern, open plan, three storey office building that was developed in 1999/2000 behind a retained Category B listed two storey façade dating from 1864-1896. Pullar House is of steel frame construction. The windows on the south and west elevations i.e. the retained façade are traditional sash and case fitments on ground and first floor level with the upper floor incorporating velux style windows on the partial pitched slate roof sections on those elevations. The new-build section of the building has a flat roof and incorporates modern, double glazed windows on all elevations.