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Expert Building Energy Efficiency & Compliance Services
GreenForm Energy is a specialist consultancy dedicated to building energy efficiency, compliance, and sustainable design solutions. With over a decade of experience, our team combines expertise in architecture, construction, and compliance to deliver high-quality outcomes for residential and commercial projects. We operate from Wollongong and Geelong, serving clients across NSW, ACT, VIC, QLD, and TAS. Our services include NatHERS 6-star energy ratings, BASIX assessments, BCA Section J reports, and advanced energy modelling.

We prioritise innovation, offering performance solutions and off-grid modular housing designs that meet rigorous sustainability standards. Our accreditation with the Clean Energy Council ensures expertise in PV solar system design, supporting clients to achieve cost-effective, energy-efficient buildings.
Services
NatHERS Energy Ratings BASIX Assessments BCA Section J Reports JV3 Assessments DTS Reports Performance Solutions Mandatory Disclosure Sustainable Developments Off-Grid Modular Housing PV Solar System Design
Highlights and features
  • We have over 10 years of experience in energy rating consultancy.
  • Our services span residential and commercial projects across five Australian states.
  • Our team combines expertise in building, architecture, and compliance.
  • We offer advanced energy modelling and performance-based compliance solutions.
  • We are accredited by the Clean Energy Council for PV solar system design.
Associations and certifications
  • Clean Energy Council (CEC)
Services
NatHERS Energy Ratings
NatHERS energy ratings evaluate residential buildings' thermal performance to meet Australian standards. Our assessors use advanced software to ensure compliance with 6-star minimum requirements or higher efficiency benchmarks. This service supports cost-effective design solutions while meeting regulatory obligations across all states.
BASIX Assessments
BASIX assessments ensure compliance with NSW water, thermal comfort, and energy efficiency standards. We provide certificates for new homes, renovations, and multi-dwelling projects, integrating NatHERS simulations to reduce construction costs and improve design flexibility for residential developments.
BCA Section J Reports
BCA Section J reports verify energy efficiency compliance for commercial buildings (Class 2-9). Our experts address all BCA Volume 1 requirements, including building fabric, glazing, and ventilation systems. We specialise in complex projects requiring JV3 assessments to achieve cost-effective compliance solutions.
Sustainable Developments
Our sustainable development services focus on energy-efficient, healthy, and off-grid housing solutions. Features include 8-star NatHERS ratings, low-VOC materials, and modular designs for disassembly. We prioritise innovation in construction methodologies to reduce environmental impact while maintaining cost-effectiveness.
PV Solar System Design
PV solar system design services support renewable energy integration for compliance or reduced operational costs. Accredited by the Clean Energy Council, we design systems tailored to project needs, including documentation for BCA compliance assessments and future energy bill savings.
Questions
What services does GreenForm Energy offer?
We specialise in NatHERS ratings, BASIX assessments, BCA Section J reports, JV3 assessments, and sustainable building solutions for residential and commercial projects.
Which areas do you service?
We operate in Wollongong, Geelong, and provide services across NSW, ACT, VIC, QLD, and TAS.
How do JV3 assessments work?
JV3 assessments compare a proposed building's energy performance against a reference building using thermal modelling to demonstrate compliance with BCA standards.
Are you accredited for solar design?
Yes, we are accredited by the Clean Energy Council to design PV solar systems for residential and commercial buildings.
Can you help with off-grid housing?
We develop off-grid modular homes with energy-efficient, sustainable designs that eliminate reliance on public utilities.
What compliance methods do you use?
We use NatHERS, BASIX, DTS reports, JV3 assessments, and performance solutions to meet regulatory requirements for all building types.