Thermal Performance Assessments

(House Energy Ratings)


Welcome to First Rate Energy Services; Victoria’s most experienced home sustainability and energy rating service.

We are fully-accredited NatHERS assessors, and have been rating homes since 1992.


Our aim is to provide the most efficient and accurate house energy rating service while ensuring competitive pricing. Our experience means we can provide clients with the most practical, cost-effective advice to achieve regulatory compliance. Our services include:

  • 6-Star House Energy Ratings – Providing building permit approvals for new dwellings and renovations.
  • DTS – ‘Deemed To Satisfy’ assessments.
  • Consultation Services – To assist you in making your project as energy-efficient and environmentally sustainable as possible.
  • Volume Builder Specialists – We have completed over 5,000 NatHERS assessments since our inception – much of which consisted of consecutive volume work. Today, we continue to conduct volume work for several of our clients.