We provide BASIX certificates across NSW, including Sydney, Greater Sydney, and regional councils. Our assessors understand local council requirements, DA submissions & fast approvals.
Partner with Assessify for higher performance, smoother approvals, and fewer surprises.
What is a BASIX certificate?
BASIX is required by all NSW councils for residential projects for BASIX compliance through a BASIX certificate when you are submitting your DA.
The BASIX report focuses on energy, water & 7 star BASIX thermal efficiency through a building energy rating to ensure compliance of your project to meet these requirements.
A NatHERS certificate is an official document that shows the energy performance of a home based on modelling under the Nationwide House Energy Rating Scheme (NatHERS).
It provides a star rating out of 10, with most homes needing to achieve 7 star , along with detailed predictions of energy use, heating & cooling loads & overall thermal performance.
Homeowners can improve comfort, reduce running costs & boost property value with a professional energy and water efficiency assessment by a certified Energy Efficiency Assessor.
This service evaluates how your existing home performs and identifies practical, cost‑effective upgrades that deliver immediate and long‑term savings for people with all budgets.
Get a fast, accurate BASIX Certificates or NatHERS reports for your new home & ensure your design meets thermal, energy & water efficiency requirements from the start.
Homeowners planning a new build, renovation, or extension can achieve fast, stress free compliance with expert BASIX certificates and NatHERS energy ratings.
Assessify helps you meet sustainability requirements while improving the comfort and efficiency of your home.
Builders across Australia rely on Assessify for fast, accurate BASIX reports & NatHERS certificates that keeps projects moving.
Whether you're working on new homes, granny flats, or multi-dwelling developments, we deliver BASIX certificates and NatHERS ratings that meet all regulatory requirements—without slowing down your schedule.
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Architects & Designers rely on precise, design‑aligned BASIX certificates and NatHERS assessments that support better project outcomes.
Our assessments integrate seamlessly with your workflow, helping you meet sustainability requirements without compromising your design intent.
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Developers delivering townhouses, multi-dwelling projects, and large-scale residential builds across Australia can streamline approvals with fast, accurate BASIX certificates that ensure BASIX compliance & NatHERS ratings for energy efficiency.
Assessify provides detailed thermal assessments, cost-efficient optimisation strategies, and clear documentation that support compliant, high-performing developments in a timely manner to support your project moving along.
This Wilton residential project required a BASIX Certificate aligned with the latest NSW sustainability requirements.
The design included modern architectural features, large glazing areas, and open‑plan living — all of which needed careful modelling to achieve compliance without compromising the client’s vision.
The Leppington project involved a modern residential design typical of the area’s growing estates.
With a mix of open‑plan living, feature glazing, and a strong architectural focus, the assessment required careful modelling to ensure compliance without adding unnecessary construction costs or compromising the design intent.
The Austral project involved a contemporary two‑storey home featuring large upper‑level glazing, open‑plan living, and a strong architectural focus.
Multi‑level designs often introduce additional thermal challenges, particularly around heat loss on the lower level and heat gain on the upper level.
