Residential Assessments
Independent NatHERS Assessments for Existing Homes
Haus Insights provides independent residential building performance assessments for homeowners across Wollongong, the Illawarra, Sydney, and surrounding NSW regions.
Better understand how your home performs
Residential assessments are designed for homeowners seeking a clearer understanding of their home’s thermal performance, energy efficiency, and future upgrade opportunities.
Assessments may support homeowners who are:
Planning renovations or upgrades
Wanting to improve year-round liveability
Looking to reduce heating and cooling demand
Preparing for future energy standards
Seeking independent performance insights before investing in the works
Wanting to better understand insulation, glazing, and building performance
Using the NatHERS for Existing Homes framework, each assessment provides clear, evidence-based insights into how a home performs now and where practical improvements may have the greatest impact.
Residential Assessment Packages
Performance Package
Starting from $650
Best for homeowners wanting to better understand and improve the performance of their home.
Includes:
On-site home assessment
Official NatHERS Certificate
NatHERS Star Rating
Whole-of-Home Score
Detailed report
Tailored upgrade recommendations
Prioritised actions (low-cost → high-impact)
Simple explanation of results
Follow-up consultation (in person, online, or phone)
Premium Package
Starting from $850
Best for homeowners planning renovations, major upgrades, or seeking deeper performance consulting.
Includes:
On-site home assessment
Official NatHERS Certificate
NatHERS Star Rating
Whole-of-Home Score
Detailed report
Detailed upgrade recommendations
Scenario modelling (e.g. projected improvement to 4-star or 7-star performance)
Indicative cost vs benefit insights
Follow-up consultation (in person, online, or phone)
Our Services Include:
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Assessment of the thermal performance of the building envelope using the NatHERS for Existing Homes framework.
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Evaluation of overall household energy performance, including systems and appliances.
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Practical, prioritised recommendations designed to improve thermal performance, efficiency, and long-term liveability.
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Modelling of potential upgrade pathways, including projected star rating improvements and performance outcomes.
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Implementation support and project coordination for future upgrade works.
How We Work:
A clear and evidence-based assessment process
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Assessment of the thermal performance of the building envelope using the NatHERS for Existing Homes framework.
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A site visit is completed to collect information about the home, including construction materials, insulation, glazing, orientation, ventilation, appliances, and existing systems.
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Your home is modelled using accredited NatHERS software to assess thermal performance and whole-of-home energy performance.
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You’ll receive your assessment results, including your NatHERS rating, performance insights, and tailored upgrade recommendations.
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Use your report to better understand future upgrade opportunities, renovation priorities, and long-term performance improvements.
Frequently Asked Questions
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A NatHERS assessment evaluates how a home performs in terms of thermal comfort, heating and cooling demand, insulation, glazing, and overall building performance.
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During the inspection, Haus Insights collects the information required to complete the NatHERS assessment.
This may include:
measuring rooms and floor plans
documenting construction details
assessing insulation, glazing, shading, and ventilation
external inspection of the home
checking accessible roof or subfloor areas
The process is designed to be respectful, non-intrusive, and clearly explained throughout the visit.
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Depending on the assessment type, this may include a NatHERS star rating, whole-of-home energy assessment, tailored recommendations, and upgrade scenario modelling.
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Most residential assessments involve a site visit followed by thermal modelling and reporting. Timeframes may vary depending on the size and complexity of the home.
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Yes. Assessments include practical guidance and prioritised recommendations designed to help homeowners better understand future upgrade opportunities.
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Yes — but only of building elements relevant to the assessment.
Photographs may include:
windows
insulation
walls
ceilings
shading and construction details
To protect privacy:
no people are intentionally photographed
photos focus only on building features
images can be reviewed or deleted on request