BASIX & NatHERS Resource Centre
BASIX CERTIFICATE: WHAT IT IS & COMMON MISTAKES
A BASIX certificate is a mandatory sustainability assessment required for most residential development projects in New South Wales (NSW). It confirms that a proposed building design meets minimum NSW Government standards for water efficiency, energy use and thermal comfort
WHAT TO LOOK FOR IN A BASIX CONSULTANT OR NATHERS ASSESSOR
A BASIX consultant plays a critical role in helping residential projects meet sustainability and planning requirements in New South Wales. While BASIX compliance ultimately results in a certificate, the role of a BASIX consultant goes far beyond running an assessment or issuing a report.
BASIX ALTERATIONS AND ADDITIONS: WHEN BASIX IS REQUIRED
BASIX alterations and additions apply to most residential renovations and extensions in New South Wales (NSW) where the construction value is $50,000 or more, or where a swimming pool or spa over 40,000 litres is being installed.
NATHERS CERTIFICATE GUIDE: HOW TO ACHIEVE 7-STAR RATINGS
The "7-star" requirement varies significantly depending on whether you are building in the humid tropics of Darwin or the alpine regions of Tasmania. Here is how to optimize your rating: obtaining an accredited certificate is no longer just a "tick-box" exercise—it’s a critical step in the
ENERGY ASSESSOR: HOW WINDOW SIZE AFFECTS PRIVACY & RATINGS
ENERGY ASSESSOR: HOW WINDOW SIZE AFFECTS PRIVACY & RATINGS
As energy assessors and BASIX consultants, we are frequently asked how window size affects privacy, thermal performance, and compliance. This article explains how an energy assessor evaluates window design, why window size often causes BASIX or NatHERS issues, and how
7 STAR HOMES: HOW WINDOW SIZE IMPACTS NATHERS RATINGS
ENERGY ASSESSOR: HOW WINDOW SIZE AFFECTS PRIVACY & RATINGS
7 star homes are now the minimum energy efficiency standard for most new residential buildings in Australia under the National Construction Code (NCC). These homes are assessed using the Nationwide House Energy Rating Scheme (NatHERS)
BASIX COMPLIANCE CERTIFICATE IN NSW
If you’re planning to build, renovate, or lodge a Development Application (DA) in New South Wales, you’ll almost certainly need a BASIX compliance certificate.
This guide explains exactly:
THE BASIX PORTAL: HOW TO USE IT FOR APPLICATIONS IN NSW
For complex projects or designs struggling to meet targets, professional input is often required to avoid unnecessary delays or redesigns. The BASIX portal is the online assessment system used in New South Wales (NSW) to generate BASIX certificates for residential development projects.
BASIX REQUIREMENTS NSW - 2026 GUIDE + IS SOLAR REQUIRED?
BASIX REQUIREMENTS NSW - 2026 GUIDE + IS SOLAR REQUIRED?
If you’re building or renovating in New South Wales, understanding BASIX requirements is essential before you lodge your Development Application (DA).
BASIX (Building Sustainability Index) is a