Old Treasury Building, Perth
Adaptive re-use, Commercial office, Hospitality, Mixed-use
Adaptive re-use of heritage building as luxury hotel, with additional premium-grade office tower
Design proposal and concept design
In 2007 Cameron Chisholm Nicol was shortlisted in a competition to prepare a full schematic design proposal for the Old Treasury Building (OTB) site in Perth’s heritage Cathedral and Treasury Precinct.
The proposal includes 175 rooms of 5-star luxury accommodation, a gym, guest lounge and restaurant. 62 rooms are incorporated into the the existing fabric of the OTB and the Titles Office Building. The remaining rooms are in a new building within and around the perimeter of the OTB courtyard. The accommodation target was for a Green Globe 21 rating and a 5 Star Green Star Rating using the recently released Green Building Council Australia (GBCA) Multi-Residential Pilot Rating Tool. This would ensure that a 5 Star rating could be achieved in the future when the GBCA release its proposed hotel rating tool.
Public and civic space is provided throughout the extended ground plane, with a landscaped green space defining a new town square linking the OTB and the Town Hall.
A 67-storey premium grade office tower, incorporating 60,000m² of commercial space, is proposed above the hotel. The tower, which would be the tallest in Perth, targeted a 6 Star Green Star Rating under the GBCA Office Design Rating Tool and the recently released Pilot Mixed-Use Tool. The design includes a conference and meeting facility, with a dedicated theatrette, in the podium. The conferencing facilities are designed to jointly serve the hotel, office occupants and the community.
The proposed mix of uses provides a sustainable and functional occupation of the site which would transform the precinct into a vibrant, new city destination.
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