At a glance


Queensland, Australia

Type of project



Cbus Property

Contract type

Design and Construct



ESD rating

5 Star Green Star - Office Design; 5 Star Green Star - Office As Built

A landmark structure for Queensland

1 William Street office is a landmark structure in the heart of Brisbane’s government precinct. With 44 floors above ground, it is the tallest commercial building in Brisbane.

Completed five weeks ahead of its scheduled completion, 1 William Street is a Premium Grade office tower with an iconic lobby and premium grade finishes and services throughout the building. The building has a 5 Star Green Star design rating, is targeting a 5 Star NABERS (Base Building) Energy rating and a 3 star NABERS office water rating, making it one of Brisbane’s most environmentally-efficient office buildings. It provides a high performance workplace that contributes to better collaboration and workplace efficiency.

More than 4,500 workers have contributed to the construction of 1 William Street since the project commenced.

  • 2017 – Concrete Institute of Australia - Commercial Buildings Category - Award for Excellence
  • 2017 – Commercial Building over $50m - MBA Queensland
  • 2017 – Project of the year - MBA Queensland
  • 2017 – Commercial Building over $50m (Brisbane Region) - MBA Queensland
  • Architect: Woods Bagot
  • Certifier: McKenzie Group Consulting
  • Cost Planner: WT Partnership
  • ESD: EMF Griffiths
  • Façade: BG & E Facades
  • Geotechnical: Butler Partners
  • Heritage: ERM
  • Landscape: Aspect Studios
  • Lifts: WSP Group
  • Services: EMF Griffiths
  • Structure: Hyder Consulting
  • Wind Engineers: Windtech
  • Workplace Planner: James Calder

Project in numbers




three story atriums


high, including the spire


car spaces