Parramatta Square achieves highest energy efficiency rating

Tuesday, 26 July, 2022

Parramatta Square achieves highest energy efficiency rating

Walker Corporation’s 4 Parramatta Square has secured the prestigious six-star NABERS Energy rating, making it one of the most efficient buildings in Australia.

Six stars is the highest NABERS (National Australian Built Environment Rating System) rating, demonstrating exceptional environmental efficiency.

“The $3.2 billion development at Parramatta Square has sustainability at its core and we pride ourselves on saving energy and being water-wise on every floor,” said Walker Executive Chairman Lang Walker AO.

“4 Parramatta Square’s state-of-the-art environmental features were carefully designed and delivered to make a big impact on reducing carbon emissions and we are proud to receive this incredible accolade on behalf of our tenants.”

The building was recognised for its 95 kW solar energy system, LED lighting and sensor-activated zoning, EV charging stations, high-performance glazing, energy performance metering and high-efficiency chillers.

4 Parramatta Square also secured a 5.5-star NABERS Water rating and was able to achieve a 92% recycling rate across all construction and demolition waste, which was taken to a state-of-the-art materials recovery facility, helping to further reduce landfill and overall carbon footprint.

Parramatta Square is now officially ranked second in the country for NABERS energy efficiency. Walker Corporation’s Collins Square in Melbourne is ranked second in Australia for water efficiency.

Deputy Secretary, Property & Development NSW Leon Walker said 4 Parramatta Square had ticked all the boxes to increase the wellbeing of over 5500 NSW Government workers in the tower.

“The NSW Government specifically sought modern, sustainable, A-grade office space in Parramatta with market-leading sustainability design and we are proud our workspace sets the best example for efficient buildings across the state,” he said.

The 70,000 m2 building had previously been awarded the rare dual accolade of the Green Building Council of Australia’s 6 Star Green Star – Interiors rating as well as a 6 Star Green Star – As Built rating.

The building is a transit-oriented development (TOD) that encourages low-carbon forms of travel, through direct links to trains, buses, ferries and trams, as well as end-of-trip facilities to encourage workers to walk, run and cycle to work.

Image caption: 4 Parramatta Square. Image courtesy Walker Corporation.

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