Our Services
Our Services

Section J & J1V3 Assessment

Section J & J1V3 Assessment

CERT - NatHERS - WOH - BASIX
CERT - NatHERS - WOH - BASIX
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Green Certify provides Section J and J1V3 Assessments and Compliance Reports for commercial buildings across NSW & QLD. We prepare reports for any size or type of building offer free quotations within one business day deliver results quickly and guarantee satisfaction.


What We Need

For a fast quote: floor plans & elevations.
To complete the report: sections, site plan, lighting layouts, window schedule and mechanical drawings.


About Section J Reports

The National Construction Code (NCC 2022) establishes consistent standards for building design and construction across Australia, while accommodating regional variations. Section J ensures that all buildings (Class 2–9) meet energy efficiency requirements to help reduce greenhouse gas emissions.

Section J reports are required as part of Development Applications to demonstrate compliance with the NCC. The Section J Report will cover the ‘Deemed to Satisfy’ requirements for the following Parts of the NCC/BCA:

J1: Building Fabric: ceiling/roof, external walls and floors.

J2: Glazing

J3: Building Sealing

J6: Artificial Lighting

J7: Heated Water Supply and Swimming Pool and Spa Pool Plant

J8: Facilities for Energy Monitoring


About J1V3 Assessments

J1V3 is a software-based assessment for commercial buildings that shows compliance with the NCC’s energy efficiency requirements. By comparing the proposed building’s planned insulation and glazing to a reference building modelled under Section J’s Deemed-to-Satisfy provisions, J1V3 allows greater design flexibility and demonstrates compliance when the proposed building uses less energy.


Frequently Asked Questions
When do I need an Energy Rating?
Do I need a BASIX certificate?
Can anyone prepare a BASIX Report?
Could my development be exempt from BASIX?
What is the cost of an Energy Assessment?
How long will it take to receive my Energy Assessment?
What does a 7-Star NatHERS rating mean?

Our Core Values


01. Sustainable

Green Certify reduces environmental footprint by delivering practical, cost-effective solutions for projects and supporting habitat restoration and biodiversity initiatives year-round.


02. Professional Excellence

We focus on maintaining high standards and staying up to date with the latest industry developments through regular accreditations and ongoing professional learning.


03. Technical Data

At Green Certify we ensure quality and precision, using top NatHERS modelling software with DWG files for assessments accurate to 1 mm, with all data backed up daily and always accessible.


04. Our Clients

Green Certify builds strong, lasting client relationships, providing expert support for BASIX/NatHERS and other projects from start to building approval and beyond. Many clients choose us after working with other firms, trusting our commitment and quality.


We’re a Sydney-based company specialising in energy efficiency, helping you improve your home’s thermal comfort while staying compliant with national regulations. As DMN-accredited energy assessors, we offer practical, cost-effective and sustainable solutions. Our friendly team can provide expert advice on materials, design and energy-saving strategies tailored to your home.


Our Services
Our Services
Frequently Asked Questions
When do I need an Energy Rating?
Do I need a BASIX certificate?
Can anyone prepare a BASIX Report?
Could my development be exempt from BASIX?
What is the cost of an Energy Assessment?
How long will it take to receive my Energy Assessment?
What does a 7-Star NatHERS rating mean?
LET'S GET STARTED
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09 : 00 AM - 06 : 00 PM

Monday - Friday

Testimonial
Testimonial

What our clients say

What our clients say

Working with Pentos is a fantastic experience. He trulyunderstood our vision and turned our dream home into a reality. The attention to detail and dedication were beyond my imagniation.
Michael Nasiri

Director

Green Certify has become our go-to partner for BASIX compliance. Their responsiveness, efficiency, and dedication to customer satisfaction consistently set them apart. We confidently recommend their services.
Sam Nasiri

Property Developer

Green Certify has become our go-to partner for BASIX compliance. Their responsiveness, efficiency and dedication to customer satisfaction consistently set them apart. We confidently recommend their services.
Sam Nasiri

Property Developer

Working with Pentos is a fantastic experience. He trulyunderstood our vision and turned our dream home into a reality. The attention to detail and dedication were beyond my imagniation.
Michael Nasiri

Director

Working with Green Certify is a fantastic experience. They truly understood our vision and turned our dream project into a reality. The attention to detail and dedication were beyond my imagniation.
Carla Rahman

Project Manager

Working with Green Certify is a fantastic experience. They truly understood our vision and turned our dream project into a reality. The attention to detail and dedication were beyond my imagination.
Carla Rahman

Project Manager

Working with Pentos is a fantastic experience. He trulyunderstood our vision and turned our dream home into a reality. The attention to detail and dedication were beyond my imagniation.
Michael Nasiri

Director

Engaging Green Certify proved invaluable—their expertise generated substantial savings in our building energy assessment and offered insights that exceeded our expectations.
Adrian Vosk

Senior Architect