The Chief Secretary's building (originally the Colonial Secretary's building) is a heritage-listed state government administrative building of the Victorian Free Classical architectural style located at 121 Macquarie Street, 65 Bridge Street, and at 44-50 Phillip Street in the Sydney. Built 1873–81 Architect James Barnet Additional architects James Barnet (1890, Phillip St wing addition) Walter Liberty Vernon (1894 - c1895, additions & extra floors added)
