MLC Building, North Sydney, Modernist office building in North Sydney, Australia.

The MLC Building is a modernist office structure in North Sydney that rises 14 floors at the intersection of Miller Street, Denison Street, and Mount Street. Its glass and aluminum curtain walls on all sides define the area's commercial character.

The building was completed in 1957 and was Australia's first major commercial office development of its kind at the time. Architects Bates, Smart and McCutcheon established a new construction standard for the country.

The building represents post-war International style architecture and continues to shape the commercial district's character with its modern office design. Its glass and aluminum facade reflects the optimism of that era in Australian business.

The building sits centrally in North Sydney and is easily accessible by public transport, with access from multiple street corners. Visitors can view the exterior facade, though it remains an active commercial building.

The rooftop weather beacon was fitted by Standard Telephones and Cables, marking the tower as North Sydney's tallest at the time. In February 1957 work halted when an electrician fell to his death from the 14th floor; colleagues raised A£1,200 for his widow and children.