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Fast, compliant NatHERS certification for residential projects

Accurate modelling, quick turnaround, and clear guidance to keep your project moving.

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150+

Projects assessed
Completed residential energy assessments for compliance and optimisation.

98%

Approval rate
High success rate for NCC 2022 compliance submissions.

15+

Years experience
Extensive expertise in building performance consulting.

100%

Accredited assessors
Qualified professionals for NatHERS and NCC modelling.

Our core services

Energy compliance made simple

Comprehensive solutions for NCC 2022 compliance, NatHERS assessments, and building performance consulting tailored for architects, builders, and developers.

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Get expert energy compliance advice

Streamline your NCC 2022 compliance

Professional NatHERS assessments and building performance consulting for architects, builders, and developers.

Ensure your residential projects meet energy efficiency standards with detailed modelling, practical recommendations, and clear compliance pathways.

Trusted by industry professionals

Hear from architects and builders who rely on our expertise for energy compliance and building performance consulting.

“Old Man Gray Energy provided clear, actionable advice that streamlined our NCC 2022 compliance. Their modelling helped us optimise design and reduce construction costs.”

Taylor Bennett
Director, Bennett Architecture
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Energy compliance FAQs

Answers to common questions about energy assessments, NCC 2022 compliance, and our consulting process.

Still have questions about our services?

Contact our consultants

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