25 Franklin Street — From Ageing Asset to High-Performance Building

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Project Snapshot

Located in the heart of the Adelaide CBD, 25 Franklin Street is a sub-6,500 m2 commercial office building typical of its era — constructed in the early 1970s, retrofitted in the ‘90s, and due for a major plant and controls upgrade. With rising energy costs, ageing equipment, and growing tenant expectations, the building owner partnered with Conservia to modernise its core systems and reposition the asset for long-term value.

Result: The building now holds a certified 5.5 Star NABERS Base Building Energy Rating.

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Challenges

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Our Approach

Conservia delivered a fully integrated HVAC and building controls upgrade, replacing obsolete infrastructure with modern, high-efficiency systems and advanced automation. The works included:

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Key Outcomes

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Strategic Value

For a compact commercial building in a competitive CBD market, this project proves that a carefully scoped and professionally delivered upgrade can unlock meaningful operational, environmental, and financial benefits — even in assets under 6,500 m2. With no compromise to tenant comfort, the owner is now positioned to attract higher-value tenants, extend lease terms, and realise a stronger cap rate.

Conservia brings together engineering expertise, controls integration, and performance accountability — delivering real outcomes, not just upgrades. If you’re looking to future-proof your building, reduce outgoings, and lift value, let’s talk.

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