SUSTAINABILITY CONSULTING
At OnCert, we help you to meet sustainability and building code requirements—even when your design doesn’t follow standard pathways. Our expert team create tailored solutions that align with your vision, improve energy efficiency and reduce environmental impact.
We work closely with your design team to integrate sustainable features from start to finish, helping you build smarter, greener and more cost-effective projects.

services
Residential Energy Efficiency Reports
An Energy Efficiency Report assesses a new home or buildings energy efficiency, ensuring it meets thermal comfort standards and includes insulation and glazing requirements, along with a NatHERS star rating (up to 7 Stars). Energy assessors use specialised software for the assessment.
BASIX
BASIX is a NSW Government initiative that ensures new homes are water- and energy-efficient. Since 2004, it has required reductions in water use and greenhouse gas emissions. OnCert provides expert guidance to help you meet BASIX compliance with ease.
Commercial Section J Reports
We provide Section J reports, required by many councils for development and construction approvals, to demonstrate compliance with the energy efficiency requirements of the National Construction Code. Our reports use both Deemed-to-Satisfy and JV3 methods for a thorough and accurate assessment.
Commercial J1V3 Assessment
We use the J1V3 Verification Method to ensure your building meets the energy efficiency standards of the National Construction Code. Whether through the prescriptive Deemed-to-Satisfy path or a flexible Performance Solution, our team provides expert guidance, detailed analysis and complete documentation to help you achieve compliance and support sustainable design.