21. On the southern side of the hallway are two rooms and a strong room . 22. In 1889, a detached fire-proof strong room was built designed by Tunbridge and Tunbridge. 23. The original strong room is located in the northwestern corner of the ground floor. 24. A strong room was built behind the banking chamber. 25. The strong room ( 11 x 3 m ) is located on the north-eastern boundary. 26. The strong room still displays its iron door, however both rooms are used for storage. 27. The masonry strong room is located at the corner of the western and southern elevations. 28. The Customs House was single storeyed with a long room, offices, strong room and toilets. 29. The additions to the strong room and the toilet block are not of cultural significance. 30. A cypher room and strong room were also provided.
