How LED Lighting Upgrades Improve Your Building's NABERS Energy Rating

If you manage a commercial building in Australia, you're likely familiar with NABERS — the National Australian Built Environment Rating System. It's the benchmark for measuring a building's environmental performance, and tenants increasingly use it as a deciding factor when choosing office space.

Lighting is one of the biggest levers you can pull to improve a NABERS rating. Here's why.

Lighting's Outsized Impact

In a typical commercial office building, lighting accounts for 25-40% of total energy consumption. That's a massive proportion, and it means that even modest improvements to lighting efficiency can have a significant impact on your overall energy performance.

A building running older T8 or T5 fluorescent lighting with magnetic ballasts is leaving substantial energy savings on the table. Replacing these with modern LED luminaires and smart controls typically reduces lighting energy consumption by 50-70%.

For a building sitting at 3.5 stars, that reduction alone can be enough to push the rating to 4.5 or even 5 stars — a meaningful improvement that affects tenant attraction and asset value.

Beyond Lamp Replacement

Simply swapping fluorescent tubes for LED equivalents will deliver savings, but it won't maximise your NABERS improvement. The real gains come from combining efficient luminaires with intelligent controls.

Occupancy sensors in meeting rooms, breakout areas, and amenities ensure lights aren't burning when spaces are empty. Daylight harvesting on perimeter zones reduces artificial lighting when natural light is available. Time scheduling ensures base building lighting matches actual operating hours rather than running on fixed timers.

When these strategies are combined, we typically see lighting energy reductions of 60-75% compared to the original installation.

The Financial Case

NABERS improvements aren't just about environmental credentials. Higher-rated buildings command premium rents and attract quality tenants. In Sydney's CBD, the difference between a 4-star and 5-star NABERS rating can translate to $30-50 per square metre per year in achievable rent.

For a 10,000 sqm building, that's $300,000-500,000 annually. Against a typical LED retrofit cost of $200,000-400,000, the payback from improved rental income alone can be under 12 months — before you factor in the direct energy savings.

Getting Started

We work with building owners and managers across Sydney to develop lighting upgrade strategies that target specific NABERS improvements. Every project starts with a detailed energy audit of the existing lighting, followed by a proposal that maps out the expected NABERS impact alongside the financial returns.

Request a lighting assessment to understand what's possible for your building.