It has a single storey, with three entrances the central one of which is much larger than the other two. Over each entrance is an oculus (a round or rose window), the central one being slightly larger and much higher. The central entrance has a doorcase with barleysugar twisted molding and an inscription on its lintel commemorating Andrea Capranica (1582-1634), who put up money for the 1600 restoration. Above the door is the Caprianica coat-of-arms.