The roof is made from hipped corrugated iron and topped with rendered brick decorative chimneys.
Enclosed in a verandah the building is set on 3,400 square metres (0.840 acres) of low manicured gardens.
[2] Originally constructed as a home for local businessman and representative of P&O Shipping line, Thomas Meadows Gillam, it was later occupied by his son, William.
[2] During this time the building was used as a boarding house for young teachers and the grounds used by primary school children as a play area.
By 1966 the CWA could no long afford the upkeep and Pyrmont was sold to a local car dealership, Barnesby motors, which used it as a bulk spare parts store.