NatHERS for existing homes

If you are thinking about becoming a NatHERS for existing homes assessor, you need to start preparing now.

Nationwide House Energy Rating Scheme

Stage 1 of the expansion of the Nationwide House Energy Rating Scheme (NatHERS) to include existing home ratings has commenced!

Participants who successfully complete their training with EIB will establish their status as a professional NatHERS for existing homes Assessor. 

Education In Building is now offering the training pathways for the 7 units of competency from the Certificate IV in Home Energy Efficiency and Sustainability (CPP41119) in your preparation for undertaking NatHERS for existing homes in mid 2026

This training is completed entirely On-Line.

Our NatHERS for existing homes training allows participants to understand and improve the energy efficiency of a home through a new star rating system. The star rating is a great way to show the value of investing in a better performing and more comfortable home.

NatHERS for existing homes explained

What are the requirements?

To become a NatHERS for existing homes assessor you will be required to provide evidence to demonstrate you have completed the minimum training requirements. This includes successful completion of:

  • 7 units of competency from the Certificate IV in Home Energy Efficiency and Sustainability (CPP41119). Available now.
  • a new training unit specific to NatHERS for existing homes (Conduct NatHERS for existing homes assessments). Under development.
  • training in at least one NatHERS software tool for assessments of existing homes. Under development. 

What are the principles?

These units provide the skills and knowledge required to source and analyse information on the thermal performance of existing residences. It includes providing advice on ways to improve thermal performance accounting for ownership and type of building, costs and practicalities of implementing improvement recommendations.

Aimed at individuals who work independently using specialised knowledge to complete routine and non-routine tasks and deal with predictable and sometimes unpredictable problems in sustainability practices within the home.

Stage 2

Stage 2 will commence following the integration of feedback and learnings from Stage 1 and the scale-up period. Stage 2 will improve NatHERS for existing homes and bring ratings to a wider audience. During Stage 2:

  • a second-generation tool, assessment method and processes will be released
  • accreditation will be opened to all interested assessors
  • more opportunities will be provided for households to get an assessment.

Stage 2 is expected to commence from mid-2026.

Stay informed

From early 2026, during the scale-up period:

  • assessor accreditation is expected to transfer from the NatHERS Administrator to a third-party service provider
  • training and accreditation is expected to be made available to additional target groups.

NatHERS will continue to provide updates as they become available.

Sign up for the NatHERS newsletter for alerts about expansion updates.

Assessors should keep an eye on our Assessor Toolkit. It will be updated with information on becoming trained and accredited as a NatHERS for existing homes assessor.

Facts about NatHERS for existing homes

At Education In Building we understand that everyone loves to score a great deal and believe that formal training should be affordable. As such, we offer our lowest price possible.

Enroll in the NatHERS for existing home units for only:

$1885

Enrol here

Need more information?

Do you have further questions about EIB’s online NatHERS for existing homes training program?

Or, would you like to proceed with your enrolment?

Either way, we’re happy to help. Just click or dial the number below.

Call (07) 3806 4816

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