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Church House is an integral part of the
redevelopment of the Cathedral and Treasury
Precinct in central Perth. The precinct includes
some of Perth’s most significant historic buildings,
such as the Town Hall, St George’s Cathedral and
the Treasury Buildings.
Church House is one of several interdependent
projects, which will transform this currently
under-utilised part of the city into a vibrant
new public space, centred on a redeveloped
Cathedral Square plaza.
The project involves the adaptive re-use of
the Public Trustee Building, a 1960s office block
between Hay Street and the Square. The 11-storey
building has been stripped back to its structural
skeleton and redesigned with new services and
amenities, and a more open ground plane.
On Hay Street, extended floor plates to the
lower levels create a podium that restores the
building’s alignment and relationship with the
streetscape. This is enhanced by a new terracotta
facade, which echoes the colour and detail of
the masonry in adjoining heritage buildings. The
existing Hay Street shop fronts are lifted to provide
highly visible and transparent frontages.
By removing part of the ground floor, a laneway
to the east has been widened to enhance visual
and physical connectivity with the Cathedral
and Square. The laneway is activated by a retail
colonnade, which provides improved passive
surveillance and contributes to an emerging
pattern of permeability across the CBD.
The building is designed to achieve a minimum
4-Star Green Star Rating, and will make a positive
addition to the Cathedral and Treasury Precinct.
Cameron Chisholm Nicol
The design of Church House recognises that Cathedral Square will evolve
to include a diverse range of spaces with individual character and hierarchy.
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