Energy Rating


Studio SaY is a Nationwide House Energy Rating Scheme (NatHERS) assessor, accredited with the Design Matters National


We use FirstRate5 software which is accredited under the NatHERS

Energy Rating Assessment Service

  • Studio SaY assesses and certifies the thermal performance of your building to comply with Energy Efficiency requirements of the Building Code of Australia (BCA)
  • Our service applies to Class 1 buildings (new residential as well as alterations and extensions to an existing house), and parts of Class 2 and Class 4 buildings
  • We offer Energy Rating Assessment Services to Tasmania and other states and territories

Energy Rating Assessment Process

  1. You email us with building plans attached when you need an energy rating assessment
  2. We email you Fee Proposal including time frame and required documents checklist
  3. You send us confirmation to proceed and required documents if you accept our fee
  4. We assess your project. This includes liaising with your designer to implement any modifications to achieve the desired star rating
  5. We send you the Nationwide House Energy Rating Scheme Certificate, stamped documents and invoice
  6. We send you Form 55 once payment has been received

What is NatHERS?

Here is a video from
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