It was a stone building with an iron roof, with a main hall and stage, entrance room, library and reading room on the ground floor, and offices for the local municipality, the Corporate Town of Semaphore, and a gallery on the second floor.

[7] During the First World War, the All-British League held meetings and recruitment drives at the town hall.

[8] In 1929, the town hall underwent extensive renovations to designs in Art Deco style by architect Christopher Arthur Smith and converted into a cinema,[3] opening as the Ozone Theatre on 9 December.

[3] Smith was a prominent architect of the period, designing many theatres and cinemas, and a number of public buildings including a refurbishment of the Brighton Town Hall.

[3] However, box office takings suffered from the introduction of television, and Hoyts closed the cinema on 21 May 1960.