Rate 

We rate the sustainability of buildings, fitouts and communities through Australia’s largest national, voluntary, holistic rating system – Green Star.

Learn more > 

Educate

We educate industry, government practitioners and decision-makers, and promote green building programs, technologies, design practices and operations.

Learn more >

Advocate

We advocate for policies and programs that support our vision and purpose. 

Learn more >

Collaborate

By joining GBCA, organizations can network with like-minded professionals, collaborate on sustainability initiatives, and contribute to shaping the future of sustainable building practices in Australia.

Learn more > 

GBCA member organisations
0 +
Green Star projects certified
0 +
People living or working in a Green Star rated community
0 +

Climbing the ladder… with property taking the first step

SEP 2025

This month we share the Climateworks Centre’s latest modelling that shows when it comes to decarbonisation, no other part of the economy can move as far or as fast as the built environment. The data is in – buildings provide the strongest foundation for achieving Australia’s 2035 emissions reduction target and helps buy time for other sectors making harder, slower transitions.

Read more >

Endeavour Energy at home in Parramatta Square

SEP 2025

Nestled in Parramatta Square, Endeavour Energy’s newly certified 6 Star Green Star rated fitout is like a Russian doll of sustainability – a 6 Star Green Star rated office located within a 6 Star Green Star rated building, 8 Parramatta Square, itself part of a Green Star rated community.

Read more > 

Work at GBCA

Green Building Voice: the podcast