Which architect designed the Sydney Opera House?

Jørn Utzon designed the Sydney Opera House. The Danish architect won the international competition for the building in 1957 with a daring design dominated by large, shell-like roof forms.

Utzon’s original proposal was initially presented as relatively rough drawings, and turning its sculptural roof into a buildable structure required years of engineering work. The shells were eventually developed from sections of a spherical geometry, allowing repeated construction methods while preserving the building’s distinctive appearance. Construction began in 1958 on Bennelong Point beside Sydney Harbour.

The Opera House was formally opened by Queen Elizabeth II on 20 October 1973. Utzon resigned from the project in 1966 after disagreements with the New South Wales government over costs, schedules, design decisions, and the building’s unfinished interiors. An Australian team led architect Peter Hall completed much of the later architectural work.

Alvar Aalto, Oscar Niemeyer, and Eero Saarinen were influential architects associated with modernism, but they did not design the Sydney Opera House. Saarinen was one of the competition judges and reportedly strongly supported Utzon’s winning entry, which is one reason his name can sometimes appear in accounts of the project.