The Culwulla Chambers is a heritage listed building located at 67 Castlereagh Street in Sydney, Australia.

The building is colloquially named as Sydney's first skyscraper, though it is of masonry construction rather than steel frame typically associated with the term.

[2] The design is an Federation Freestyle Palazzo and original plans are held by the Institute of Architects New South Wales.

[3] Upon its completion, it became the focal point for debate in Sydney regarding restrictions on building height.

This led ultimately to law being passed placing a moratorium on constructing new buildings taller than 150 feet.