The building is topped by a terrace with machicolation and turrets. They finished off the roof with a reinforced concrete machicolation. It is protected by a machicolation at that level. The entrance doorway is protected by a machicolation and murder-hole. The dungeon has a conical roof slate over the machicolation. There is decorative machicolation on the parapet. The entrance is defended by a machicolation. The merlons of the machicolation around the keep are topped with small pyramids. The entrance is on the east wall with a machicolation above. The doorway was protected by a machicolation connected to the wall walk. It has battlements with Irish crenellations and a machicolation above the door. The narrower and one storey taller eastern wing has the doorway with a top machicolation. A machicolation is visible above the doorway. A doorway is protected by machicolation. The projecting towers are connected by a high-level arch which also functions as a machicolation.