Compliance Made
Simple.
Delivered Fast.
BASIX Certificates, NatHERS Assessments, Section J Reports and JV3 Assessments for residential and commercial projects across Australia. Independent, accredited, and on your side.
Our Services
We cover every energy compliance pathway required under the National Construction Code, for both residential and commercial projects.
BASIX Certificates
NSW residential projects require a BASIX Certificate for any DA or CDC. We deliver fast, accurate assessments for new homes, dual occupancies, villas, townhouses and multi-unit developments.
Learn moreNatHERS Certificates
The National Construction Code now requires a minimum 7-star rating for all new dwellings. Our NatHERS assessments use approved simulation software to confirm compliance and identify cost-saving design opportunities.
Learn moreSection J Reports
Deemed-to-Satisfy Section J reports for Class 3 and Class 5-9 commercial buildings. We cover all six parts — from building fabric and sealing through to lighting, HVAC and energy monitoring.
Learn moreJV3 Assessments
A smarter alternative to the DTS pathway. Our JV3 modelling can reduce costly glazing requirements while maintaining full NCC compliance, often saving thousands in construction costs.
Learn moreMinimum NCC star rating — we help you meet it
Typical quote turnaround time
Independent — no ties to suppliers or builders
Years of combined building industry experience
The 7-Star Transition:
A Builder's Compliance Checklist
The NCC's 7-star energy rating requirement has changed what's needed on every new residential project. Our free checklist walks you through exactly what assessors look for, common design pitfalls, and how to achieve compliance without blowing your glazing budget.
- What the 7-star requirement means for your project
- Common glazing and insulation trade-offs explained
- How to choose between NatHERS and BASIX pathways
- State-by-state implementation timeline
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How It Works
We've made energy compliance as straightforward as possible. From plans to certificate in four simple steps.
Send Us Your Plans
Upload your architectural drawings via our secure form or email them directly. We accept PDF plans for all project types.
Receive a Free Quote
We review your plans and provide a detailed, obligation-free quote within 2 hours during business hours.
Assessment & Modelling
Our accredited assessors run your project through NatHERS-approved software and prepare your compliance documentation.
Certificate Delivered
Your completed certificate or report is delivered electronically, ready for council submission. We handle any queries from certifiers.
New Homes, Renovations & Multi-Unit Developments
Whether you're building a new home in NSW and need a BASIX Certificate, or designing a multi-unit development that requires a NatHERS assessment, CES has you covered. We work with homeowners, architects, building designers and certifiers Australia wide.
- New homes and dual occupancies
- Townhouses and villas
- Multi-unit residential
- Renovations over $50,000
Section J & JV3 for Commercial Builds
Commercial and industrial projects require a Section J report or JV3 assessment to meet NCC energy efficiency standards. Our team understands the complexity of Class 3 and Class 5-9 buildings and delivers practical, cost-effective compliance solutions.
- Offices and commercial buildings
- Industrial and warehouse
- Hotels and boarding houses
- Mixed-use developments
Trusted by Builders & Designers
"CES turned around our NatHERS assessment in under 48 hours. The report was thorough and the team flagged a glazing issue that saved our client a significant amount on construction."
"We use CES for all our Section J reports. They understand the NCC inside out and always find practical solutions that keep our builds on budget and on time."
"The JV3 assessment CES provided saved our client over $18,000 in glazing costs. Their advice on insulation trade-offs was exactly what we needed."
Request a Free Quote
Send us your project details and we'll provide an obligation-free quote within 2 hours during business hours. We assess all project types, Australia wide.
Ready to Get Your Project Compliant?
Join hundreds of builders, architects and developers who trust CES Energy for fast, accurate, independent compliance assessments.