1 William Street, Brisbane

1 William Street is a skyscraper in Brisbane, Queensland, Australia and is the tallest in the city at 259.8 metres. The modernist style office building is located in the Brisbane central business district, in close proximity to Parliament House. The building was developed for the Queensland Government as part of the government's plan for a renewed Government Administrative Precinct and to meet its accommodation demands.Construction cost of the tower was expected to be $538 million, with a total development cost of over $650 million. It was completed in October 2016 with staff moving in over 6 weekends.History of the siteThe site was formerly bisected by Short Street and comprised a number of different allotments and uses. Buildings occupied the area as early as 1854 and it was used for a variety of functions including; manufacturing, warehousing, shipping, housing, and electricity generation.The Queensland Government began purchasing the properties in the 1960s as part of their Government Precinct development scheme and began demolishing the existing buildings, some dating to the 1850s. The demolition of the adjacent Bellevue Hotel and construction of 80 George Street saw the spoil from there dumped on the 1 William Street site. Short Street was closed and all of the site was amalgamated into one allotment, 1 William Street.In 1974, the site was allocated for future government offices.1 William Street is a 6,778m2 site, owned by the Queensland Government, and from 1982 until 2013 it was used as a government car park. The site encompasses a whole city block between William, Alice and Margaret Streets and Riverside Expressway.