1 William Street is one of Brisbane’s most environmentally efficient office buildings. The commercial tower was built and designed for the Queensland Public Service and occupies one of the most prominent locations in the Brisbane CBD, in close proximity to Parliament House Services.

At 259.8 metres with 44 storeys above ground, it is the third-tallest building in the city and the 12th tallest building in Australia as of 2022. This premium grade office tower features an iconic lobby and A-grade finishes and services throughout the building.

BG&E Façade Consultants provided full façade service, including schematic design, design development, tender documentation and construction phase support.

The building has a 5 Star Green Star design rating, 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.

Completed in 2016, 1 William Street received the following accolades

• 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