
405 Bourke Street, Melbourne: Steel delivers an additional 6,000 square metres of premium A-Grade lettable area
405 Bourke Street is a 167-metre high, 40-storey tower, with a seven-level lobby space dubbed ‘The Lantern’. It provides more than 66,000 square metres of Property Council of Australia A-Grade accommodation and floorplates from 2,200 square metres. The project’s steel mega-column and truss centered design enabled a cantilever to be constructed over the adjoining Heritage building.The Project
The series of glazed ribs that comprise the facade of the seven-level lobby space at 405 Bourke Street make a vibrant addition to the Melbourne CBD.
Dubbed ‘The Lantern’ and backlit at night for greater effect, it’s the street level element of a project that brings elegance and a robust sense of character to an industrious sector of the city.
An integral part of this tower is a 16-metre cantilever projecting over the heritage facade of 399 Bourke Street.
The main tower section above the cantilever features a beam and slab design approach using welded beams made from BlueScope XLERPLATE® steel.
Award achieved
405 Bourke Street won the 2022 Victorian Institute of Architect’s Sir Osborn McCutcheon Award for Commercial Architecture, with the judges commending its creation of “a perfect floorplate within an imperfect site”.

405 Bourke Street, Melbourne: Steel delivers an additional 6,000 square metres of premium A-Grade lettable area
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