The design for Darling Island Stage 3 is predicated on a strong environmental initiative to provide an office building that responds to the site orientation and achieving a minimum of five-star Green Star rating. Additional systems can be incorporated to enhance this to a six-star outcome.

These initiatives has been incorporated into a development concept that is commercially viable and robust enough to respond to the current and future demands of the market.

The use of chilled beams for air conditioning will bring a 30% reduction in greenhouse gas emissions as well as reduced floor to floor heights. Harbour water will be used for mechanical plant heat rejection, eliminating the need for cooling towers. Multi-Water Reuse plant will provide clean water from on-site treatment of various grey and black water sources for non-potable usage.