Adelaide, South Australia, is known for its diverse range of architectural styles and notable built structures. Some of the most iconic buildings in the city include Adelaide Town Hall, which showcases Victorian architecture, and St. Peter's Cathedral, the largest church in Adelaide with gothic revival features. The South Australian Health and Medical Research Institute (SAHMRI) is recognized for its distinctive dia-grid façade, designed by Woods Bagot.
Other notable structures in Adelaide include Freemasons Hall Tower, a mixed-use development under construction, and SA1 Tower, the city's tallest building at 55 levels. Frome Central Tower 1, completed in 2019, is another prominent building housing the Crowne Plaza hotel. Adelaide's architectural landscape features a mix of old colonial, Victorian, and Federation styles, along with heritage-listed buildings and bluestone houses.
The city's evolving cityscape includes ongoing and proposed construction projects that highlight innovative designs and architectural excellence. Major projects in the pipeline include the Sofitel Adelaide, the Australian Bragg Centre, and the Festival Tower—a 27-storey skyscraper shaping up in the Adelaide CBD.