Yet another courthouse was built in 1865; this is now the core of the Government Offices. In 1873–1875, the old courthouse was extended towards the river and this is where the Supreme Court of the Colony held its sessions from 1875 until 1939 when the first Supreme Court was built. Maxwell's original house became the Assembly House in 1954 after extensive renovations and reconstruction. The decision to build a new Town Hall was made in 1854; the building was completed in 1862.
