NatHERS Accredited Assessor — What Accreditation Means & How to Find One
Only a NatHERS accredited assessor can issue an official 0–10 star energy rating certificate for NCC 2022, BASIX, and state disclosure schemes. Here's how NatHERS assessor accreditation works — and how to verify any NatHERS assessor before you book.
The two NatHERS Assessor Accrediting Organisations
Design Matters National (DMN)
National AAO covering all three NatHERS software tools. Strong member base in VIC and SA. Runs the Living Building Designer program for advanced practitioners.
Australian Building Sustainability Association (ABSA)
National AAO with strong representation in NSW, QLD, and WA. Established assessor pathway with mandatory mentoring and ongoing CPD.
Trained
Formal NatHERS training plus supervised pilot assessments before accreditation is granted.
Verified
Listed on the public NatHERS national assessor register with a unique accreditation number that appears on every certificate.
Current
Required to complete annual Continuing Professional Development (CPD) and stay current with NatHERS software updates.
Find a NatHERS-accredited assessor in your area
Every assessor in our directory has been cross-checked against the NatHERS national register. Filter by state or city to see who's accredited near you.