National Carillon, Canberra

The National Carillon is a 50-metre landmark on Aspen Island in Lake Burley Griffin, gifted to Australia by the British Government in 1970. With its striking modernist form and 57 bronze bells, the Carillon is both a cultural icon and a heritage-listed structure requiring careful stewardship.

Ironbridge provided specialist remedial engineering services for the Carillon, focusing on the repair of heritage concrete and the reinstatement of special architectural finishes. In partnership with contractor Duratec, the tower was digitally mapped using LiDAR drone technology, allowing every defect to be identified in 3D, numbered, tracked, and managed through to completion. This methodology ensured a high level of precision and accountability while respecting the heritage fabric of the structure.

Through a combination of engineering rigour, advanced survey technology, and sensitive remedial techniques, Ironbridge contributed to the preservation of one of Canberra’s most significant landmarks, ensuring its continued performance and visual integrity for future generations.

A national monument

Investigations, testing, and repairs

The BIM Process

Installation of the Ngunnawal Bell

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