Castlerock Property is pleased to share strong results in the NABERS Sustainable Portfolios Index (SPI) 2026, with both the Castlerock Government Property Fund (CGPF) and Castlerock Services Australia Fund (CSAF) recognised among Australia’s leading property portfolios for operational performance.
Key Results
- Both funds ranked 3rd nationally in Energy
- Castlerock Services Australia Fund ranked 3rd nationally in Water
- Castlerock Government Property Fund ranked 4th nationally in Water
These outcomes reflect Castlerock’s continued focus on quality assets, active management and disciplined operational performance across the portfolio.
What is the NABERS SPI?
The NABERS Sustainable Portfolios Index is an independent national benchmark that compares participating Australian property portfolios across a range of operational performance metrics, including energy and water efficiency.
The annual index provides valuable transparency across the sector and highlights portfolios demonstrating strong performance and ongoing improvement.
Operational Performance with Long-Term Focus
At Castlerock, we believe consistent operational management plays an important role in delivering enduring outcomes for investors, tenants and the communities in which we operate.
We are pleased to see both funds recognised through an independent framework that measures real operational outcomes across Australian property portfolios.
Learn More
Explore the full NABERS SPI 2026 dashboard and commentary here:




