 The site adjacent to Trinity Church was opened as a branch of the Union Bank of Australia in 1885.The seven-storey New Zealand Insurance Company building was constructed at 100 St Georges Terrace in 1927, followed by the neighbouring six-storey Airways House in 1933.The Union Bank became ANZ Bank, and in May 1963 it vacated its building to allow for the construction of a modern replacement building on the same site.