| Condition | In use. The Heritage Council of New South Wales said that Town Hall House is an example of the most important architecture from the modernist architectural movement in the 20th century. |
| Architects | Ancher, Mortlock and Woolley |
| Construction Date | 1977 |
Significant for Town Hall House is its angular geometry. The building is connected to the Sydney Town Hall by a passage. The two buildings form a contrast between the architectural styles of the 19th and 20th centuries.