1 O'Connell Street, Sydney skyscraper

1 O'Connell Street is a modern skyscraper in the heart of Sydney with 36 floors rising 166 meters high. The glass and steel exterior features clean lines and was designed for office spaces with efficient layout and good views.

The building was constructed in the late 1980s and completed in 1991 as Sydney was developing into a global financial center. The exterior was refurbished in recent years to meet modern standards for energy efficiency and functionality.

The tower stands on O'Connell Street, a name carried over from Sydney's colonial-era Irish connections; the street runs through the central business district. The building itself is purely commercial: 36 floors of offices completed in 1991, with no public galleries or observation areas, so the address is known mainly to the firms and workers based there.

The tower is an office building, not a public attraction, so viewing is limited to the street and the lobby areas accessible to tenants and their guests. It stands at 1 O'Connell Street in Sydney's central business district, coordinates -33.86450, 151.20980, a short walk from Circular Quay and the Royal Botanic Garden.

The tower's 36 floors are given over entirely to offices, so there is no public observation deck; the harbour and bridge views belong to the tenants. The architect was Peddle Thorp & Walker Pty. Ltd., the firm behind the 1991 design.