[3] The outbuildings included a cookhouse, firing range and gun-room, wash-house, stores and stables, and a fives court constructed later.

[2] The fives court[clarification needed] housed the drawing office, and eventually connected to a mid-1920s addition for the Metropolitan Water Supply, Sewerage and Drainage department.

[3] The Royal Western Australian Historical Society formed a Barracks Defence Council in 1961, and joined the public outcry against demolition in 1966.

[3] The Barracks Defence Council worked to keep the arch and five bays of windows either side, and at worst, keep only the gateway and towers.

[3] Premier David Brand interpreted the results as indecisive, and declared parliament would decide on the arch's fate on a non-party basis.

[7] The conflict over the Barracks is a point where some organizations measure the start and their progress as effective political force in conservation battles.