NABERS Indoor Environment (IE) Rating Assessments

At Environmental Site Services (ENVSS), we provide a comprehensive NABERS service that helps our clients meet Australia’s highest standards for indoor environmental quality.

We pair a vast range of measuring equipment with the experience and expertise of our staff to deliver accurate, certification-ready results from NATA-accredited laboratories.

Our data will support your building’s efficiency and compliance, improving its performance, occupant health and sustainability.

If you would like to speak with an accredited NABERs assessor about the process, you can contact ENVSS at [email protected] or on (08) 9355 4010.

What is Indoor Air Quality (IAQ) and Why Does it Matter?

In industrial workplaces, indoor air often contains more pollutants than outdoor environments, impacting the health, comfort and safety of building occupants. Poor indoor air quality could lead to:

  • Headaches, fatigue and poor concentration

  • Respiratory issues and absenteeism

  • Tenant complaints and higher churn

  • Barriers to leasing, ESG reporting and certification

Your NABERS Indoor Environment (IE) rating is a direct reflection of how efficiently your building protects occupants from these dangers.

What is the Meaning of NABERS IE?

NABERS (National Australian Built Environment Rating System) is a government-run program that measures the environmental performance of Australian buildings. It assigns a 0 to 6 star rating based on data-driven environmental performance.

The IE rating reflects how well a building supports occupant health, wellbeing and comfort. It applies to both Base Building (landlord-managed) and Tenancy spaces.

Why Should You Get a NABERS IE Rating?

An IE rating will help your site:

  • Meet government and tenant requirements for ESG and indoor health

  • Improve tenant satisfaction, reduce sick leave and support green leasing

  • Gain a competitive edge in property management and leasing negotiations

The NABERS Process: How ENVSS Helps You

Our team of occupational hygienists and accredited NABERS assessors will guide you through the entire accreditation process, including:

  • Pre-assessment consultation and readiness reviews to best prepare you for the assessment

  • Data collection with certified and calibrated instruments

  • NATA-accredited data verification including lab testing and validation

  • Rating calculation, where we input our full report into the NABERS system to reach a star rating

  • Lodgement and Certification of all documentation to the NSW Government, which administers NABERS on behalf of WA

  • Post-assessment improvement guidance and consulting provided if required

Your NABERS certification and the attached rating are valid for 12 months. Our team is able to arrange annual re-ratings for your site.

What We Measure

When gathering IE data, we will measure for:

  • Volatile Organic Compounds (VOCs)

  • Carbon Dioxide (CO₂)

  • Formaldehyde & Carbon Monoxide (CO)

  • Particulate Matter (PM₂.₅ & PM₁₀)

  • Temperature & Relative Humidity

  • Illuminance (light levels)

  • Acoustic Comfort (optional)

How is NABERS Different to Green Star?

NABERS is often confused with the similar, but different, Green Star program.

The key difference is that NABERS is focused on operational performance, whilst Green Star is focused on design and construction standards. The former is about efficiency and the latter sustainability.

It would be best to engage a NABERS assessor for:

  • Benchmarking your building’s indoor environment performance with real operational data

  • Supporting applications for environmental certifications or green leasing programs

  • Tracking year-on-year performance improvements in building efficiency

  • Preparing for a Commercial Building Disclosure (CBD) submission or tenancy upgrade strategy

Enquire Today for NABERS Accreditation Support

Obtaining a NABERS Indoor Environment rating can increase tenant appeal, improve compliance and identify opportunities for greater efficiency. It will also complement your Green Star rating.

To speak with one of our NABERS assessors, please contact ENVSS at [email protected] or on (08) 9355 4010.

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