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What Is BASIX? Renovation Compliance Rules for NSW Homeowners | Nexlevel Building

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BASIX Applies to Renovations in NSW

If your home renovation in NSW costs over $50,000 or includes a spa or pool larger than 40,000L, then BASIX compliance is mandatory. But what does BASIX mean, and how does it apply to your project?

Let’s break it down so you can feel confident about meeting all the legal and environmental requirements from the start.

What Does BASIX Cover?

  • Water Use: Efficient taps, toilets, rainwater tanks, and garden irrigation.
  • Energy Efficiency: Lighting, heating, cooling, hot water, insulation, and glazing.
  • Thermal Comfort: Design choices that reduce heating and cooling demands.

By targeting these three areas, BASIX helps reduce household emissions while keeping your home comfortable and cost-effective long-term.

How Is BASIX Enforced?

You’ll need to submit your BASIX certificate with your Development Application (DA) or Complying Development Certificate (CDC). A private certifier or council officer will then check for compliance during the construction process.

This ensures your renovation meets legal requirements and supports sustainable building practices.

Why BASIX Compliance Benefits You

  • Legal Requirement: It’s compulsory for large-scale renovations in NSW.
  • Reduced Costs: Efficient homes save money over time with lower running costs.
  • Market Advantage: Buyers prefer energy-efficient homes with solid documentation.

Do you have a renovation in mind?

To make sure you stay compliant, check out our BASIX compliance checklist.

BASIX applies to renovations infographic showing NSW rules, certificate, and energy-efficient home compliance

BASIX applies to renovations over $50,000 in NSW. Learn the key compliance steps and energy efficiency requirements.

Need Help With BASIX Compliance?

Let our expert team guide you through BASIX certificate requirements and compliance.

Jason and the Nexlevel team did a beautiful job on my rebuild. Stunning new bathroom, kitchen and laundry delivered on time, within budget and beyond expectations. Friendly, professional, tidy, great communication and workmanship. Definitely recommend
Jen D⭐⭐⭐⭐⭐
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Samuel Schedler ⭐⭐⭐⭐⭐
I highly recommend Nexlevel building services. They renovated our bathroom. They listened to our ideas and enhanced them to ensure we finished with a bathroom we love. The work was of a high quality and they were always contactable when we had questions throughout the process.
Miffy⭐⭐⭐⭐⭐
We found the staff doing the job were brilliant, the builder was very good with supervision and quality control. The job took a little longer than expected due to some unforeseen problems but were handled with great care. Communication was very good and all parties treated us with courtesy and respect. We would heartily recommend them to anyone looking to renovate or build.
George Smart⭐⭐⭐⭐⭐
Amazing company to deal with, the whole team are helpful and friendly, we are very happy with the quality an workmanship. They renovated our bathroom and ensuite we went of the original budget due to some products not being available at the time and having to select different, I think this worked out for the best in the end. More then happy to recommend them
Barry. C⭐⭐⭐⭐⭐
What a pleasure it was working with Jason and Nexlevel Building Services and Renovations. Their professionalism, support, and attention to detail was well above any expectations I could have had. They kept me informed and consulted throughout the entire process and as a result I have now have the most beautiful bathroom (more so than I could ever have anticipated).
Elyse Dallinger⭐⭐⭐⭐⭐
We highly recommend Nexlevel Building Service for the work that was done on our renovation of the bathroom From start to finish they worked with us at all times Jason and Rodney and their crew were able to advise us on different aspects of the build which were very helpful
Maisie Walsh⭐⭐⭐⭐⭐
It was the best Renovation job ever done on my home. Nexlevel Building Services went out of there way to make sure I was kept notified at every stage. Would fully recommend Nexlevel building services to anyone and everyone. Thanx again .. Mal Thompson
Mal Thompson⭐⭐⭐⭐⭐
Robert has left 5 stars
Robert Gibbs⭐⭐⭐⭐⭐
The team assisted in doing a business fit out and also food production areas, Jason delivered on budget and on-time and has done a fantastic job. Highly recommend!
Mat Stillone ⭐⭐⭐⭐⭐
We have worked along side Nexlevel building services , these guys do amazing bathrooms, get in touch with Jason and checkout there work.
Beau Ryan ⭐⭐⭐⭐⭐
Jason and the team were great to deal with and instrumental to our business getting back on our feet after the FEB 22 floods. Great communication and pride in their work. Will be using them again when we need work done in the area.
Adam Kerrigan⭐⭐⭐⭐⭐
A1 quality good service, on time Positive Professionalism Services Finish carpentry services
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