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This striking commercial tower provides a dynamic addition to a city skyline.

Our international competition winning design is inspired by the proximity to the unusual yet iconic Sydney Observatory Tower with its very slender circular tensile structure and our desire to create flexible floor plates that maximise the views.

The thirty-storey tower form is characterised by an elliptical floor plate that is both open and adaptable. To reinforce the tower’s ovular form, the building is sliced diagonally at its top, further revealing the elliptical geometry.

  • Traditional Custodians Gadigal people of the Eora Nation
  • Collaborators Wardle with Westfield Design & Construction
  • Client Westfield Design & Construction
  • Location Sydney, New South Wales
  • Project Duration 2006 – 2012
  • Floor Levels 28
  • Footprint 11,960m2
  • Floor Area 101,100m2  
  • Sustainability 6 Star GBCA
  • Selected Awards
  • Woodhead Award for Best Mixed Use Development, PCA/RLB Innovation and Excellence Awards 2013
  • Redpath Partners Award for Best Shopping Centre Development, PCA/RLB Innovation Redpath Partners Award for Best Shopping Centre Development, PCA/RLB Innovation and Excellence Awards 2013
  • Commendation for Interior Architecture, AIA New South Wales 2013

It achieves a 6 Star GBCA Energy rating, and mediates between the adjacent Sydney Observatory Tower and our 100 Market Street office building refurbishment and facade treatments of the retail podium below.

The central foyer space rises above the street level and the retail. With its cathedral like lift core and centrally placed services, this foyer space is then carefully planned with a range of social and working spaces - transitional zones - that include a cafe, touch down individual work spaces and informal meeting spaces. At upper levels, offices can be flexibly and democratically organised to expand the views out to the city beyond.


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