Practical energy assessments for compliant, efficient buildings
NatHERS star ratings, Whole of Home assessments and NCC Section J reports for homes, renovations, multi-unit developments and commercial buildings across South East Queensland and Northern NSW. Get practical advice to meet 7-star and NCC 2022 requirements cost-effectively, with certifier-ready documents in a 3–5 business day turnaround.
Led by Marcel Maujean, an accredited NatHERS assessor and HERA member (HERA10298) with a Certificate IV in NatHERS Assessment (CPP41119) and 12 years’ construction-sector experience. Request a quote and upload your plans to keep your project moving.
Construction-informed energy advice
Thermal Assessments Australia is led by Marcel Maujean, an accredited NatHERS assessor and HERA member (HERA10298) with a Certificate IV in NatHERS Assessment (CPP41119). With 12 years’ experience in construction, including large-scale residential high-rise projects, Marcel understands how buildings are designed, approved and built.
Using FirstRate5 and BERS Pro, he provides NatHERS star ratings, Whole of Home assessments, NCC Section J reports, stamped plans and Queensland Form 15 certificates. Clients receive clear, certifier-ready documentation and practical, cost-effective upgrade advice to meet 7-star and NCC 2022 requirements without unnecessary changes.
Energy assessments and compliance support
Thermal Assessments Australia helps builders, designers, architects, owner-builders and renovators achieve code-compliant energy outcomes across South East Queensland and Northern NSW. Assessments are completed with FirstRate5 and BERS Pro, with practical advice and documentation prepared to support certifier review.
NatHERS star ratings
NatHERS assessments for new homes, renovations and multi-unit developments, helping projects target 7-star performance and meet NCC 2022 requirements. Receive clear upgrade guidance focused on cost-effective improvements.
Whole of Home assessments
Evaluate the home’s broader energy performance alongside its thermal rating, including efficient systems and appliances. The result is a more complete pathway to comfortable, compliant and practical design decisions.
NCC Section J reports
Section J reports for Class 3 and commercial buildings, including multi-unit and specialist developments. Documentation is prepared to give project teams and certifiers the information needed for a smoother approval process.
Stamped plans and Form 15s
Receive stamped assessment plans and Queensland Form 15 compliance certificates ready for certifier review. Accurate, organised documentation helps reduce approval delays and keeps construction moving.
Practical design advice
When a design needs improvement, get straightforward advice on the most effective changes to reach compliance. With 12 years in construction, Marcel Maujean understands how to balance performance, buildability, budget and programme.
Project Experience
New Homes & Renovations
NatHERS star ratings and Whole of Home assessments for new homes and renovations, with practical design advice to help meet 7-star and NCC 2022 requirements cost-effectively.
Multi-Unit & High-Rise Residential
Experience across multi-unit developments and large-scale residential high-rise projects, supporting builders, designers and architects with clear energy assessments and approval-ready documentation.
Class 3 & SDA Developments
NCC Section J reporting for Class 3 buildings, including representative six-unit SDA development work, with documentation prepared to support certifier review and project delivery.
Commercial Compliance Documentation
Commercial energy-efficiency assessments, stamped plans and Queensland Form 15 compliance certificates, delivered clearly for builders, designers, certifiers and project teams.
Straightforward advice, built around your project
We’re preparing verified client feedback from builders, designers, architects and owner-builders across South East Queensland and Northern NSW. With permission, this section will share how practical advice, responsive communication and certifier-ready documents helped keep projects compliant and moving.
Useful links for your project
Explore our services, meet Marcel, review project experience and request a tailored quote. Thermal Assessments Australia works across the Gold Coast, South East Queensland and Northern NSW, with secure plan uploads and a typical 3–5 business day turnaround.
For a tailored assessment, submit your plans and project information securely. You’ll receive practical advice, cost-effective compliance guidance and certifier-ready documentation where required.
Ask a question
Have a question about NatHERS, Whole of Home, NCC Section J or compliance documentation? Send an enquiry and Marcel will usually respond within 1 business day.
For a formal quote, plan upload or projects requiring the 3–5 business day assessment turnaround, please use the dedicated quote form instead.
Request a project quote
Tell us about your project and upload your available plans and reports. We use the information to scope the right assessment and prepare an accurate quote, usually within 3–5 business days.