Energy efficiency,precisely assessed.
NatHERS assessments and energy ratings for residential dwellings across Queensland. Built for compliance. Designed for comfort.
NatHERS
Accredited Assessors
QLD
Statewide Coverage
3 Business Days
maximum Turnaround
Pricing
Competitive & Affordable
Every detail of your home, precisely assessed.
We specialise in Class 1a residential dwellings across Queensland — from new builds to renovations. Our assessments cover every element that impacts your home's energy performance.
NatHERS Energy Ratings (7 Star)
Comprehensive thermal performance assessments using NatHERS-accredited software. We model heating, cooling, and energy loads to ensure your Class 1a dwelling meets or exceeds National Construction Code requirements.
Deemed to Satisfy (DTS) Reports
Renovating an existing home? Our DTS reports provide a compliant alternative pathway to energy efficiency compliance under the NCC — without the need for full thermal modelling. We assess your renovation against the Deemed to Satisfy provisions, covering insulation, glazing, and building fabric requirements.
Whole of Home Assessment
An evaluation of your entire dwelling's energy performance — not just the thermal shell. We assess heating and cooling systems, hot water, lighting, and onsite solar & battery storage. The Whole of Home also includes pools and spas where applicable.
Insulation & Glazing Specification
Detailed recommendations for insulation R-values, glazing values, and building envelope performance. Every specification is calibrated for Queensland's climate zones and NCC compliance.
How It Works
From plans to compliance, in four steps.
Submit Your Plans
Upload your architectural plans and provide project details through our streamlined quote form.
We Assess & Model
Our accredited assessors model your dwelling using NatHERS-approved software or Deemed to satisfy provisions against the NCC.
Receive Your Rating
You receive a comprehensive energy efficiency report with your NatHERS star rating or compliance documentation, as well as improvement recommendations if necessary.
Lodge & Build
Use your certificate for council approval and building certification. We provide ongoing support for any queries during construction.
About Coastal Efficiency
The standard for Queensland energy assessment.
Coastal Efficiency was founded with a singular focus: providing accurate, reliable energy efficiency assessments for Queensland's residential buildings. We work closely with builders, designers, and certifiers to deliver compliant outcomes without unnecessary complexity.
Every assessment we deliver is tailored to the specific climate zone, orientation, and construction method of your project, ensuring you achieve the best possible energy rating while meeting all compliance requirements under the NCC and Queensland Development Code.
Queensland Focus
We operate primarily in Queensland, giving us unmatched expertise in local climate zones, council requirements, and the Construction Code of Australia as it applies to your region.
NatHERS Accredited
Our assessors are fully accredited under the Nationwide House Energy Rating Scheme, using approved simulation software for accurate, compliant results. We are proud HERA members and fully insured for your peace of mind.
Expertise
Our assessors have been delivering energy efficiency reports for 5+ years, building deep expertise across Queensland climate zones, construction types, and compliance pathways.
Request a Quote
Let's assess your project.
Provide us with your project details and we'll prepare a tailored quote for your energy efficiency assessment. All quotes are returned within 24 hours.
What You'll Need
- Project location (Full address details)
- Architectural plans
- External colours (If Available)
Step 1 of 3
Project Type
What kind of project is this?
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