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St Mary's Cathedral

25th Shoot Maddington Drone-4.JPG

Roman Catholic Archbishop


Perth CBD


$35.2 million


Construct only

In one of WA's most complex heritage transformations, the project involved restoring the stunning, heritage-listed cathedral - initially built in 1865 and expanded in the 1930s - and adding new above and below ground facilities.

EMCO Building excavated six metres below the cathedral nave (main part of the church) to create the new space, which included:

  • Crypt

  • Meeting and reception rooms

  • Commercial kitchen

  • Music rooms

  • Offices and amenities

The complex design required a high degree of accuracy in detailing, fabrication and erection.

Constrained site access due to retention of mature trees determined construction sequencing and methodology.

'There is no question that what you (EMCO Building)

have achieved is simply remarkable.'

(then) Archbishop of Perth

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