We can help design your house that is thermally stable, is more

comfortable to live in and consumes lower energy.

  • Quick Overview of BASIX Assessment Process
  • You bring in Architectural drawings,
  • We run the thermal assessment and let you know what it takes for the design to pass “BASIX Thermal”. That includes (but not limited to) specifications for thermal R values for walls, roof, ceiling insulation, thermal U value & SHGC of glazing,
  • If you like what you see,
  • You incorporate the specifications on your drawings,
  • We stamp the drawings.
  • 5 Low cost ways to improve NatHERS Ratings
  • Insulate all internal walls
  • Insulate mid floor of the house
  • Use self -closing dampers on exhaust fans
  • Insulate garage ceiling (may not work for all designs)
  • Hebel floor for first floor

Expertise in BASIX, NatHERS: We possesses extensive knowledge and experience in conducting BASIX & NatHERS assessments. We have developed a deep understanding of the requirements and regulations associated with these assessments, enabling us to deliver accurate and reliable results.

Comprehensive Support: Our services extend beyond assessments and certifications. We offer comprehensive support throughout the entire process, guiding our clients from the initial stages of assessment to the successful attainment of certifications. We prioritize clear communication and collaborate closely with our clients to ensure their specific needs and objectives are met.

Proven Results: Our past collaborations have yielded tangible results and garnered the satisfaction of our clients. Through our expertise and diligent approach, we have consistently delivered high-quality assessments and certifications that align with industry standards and regulations.

Client-Focused Approach: We understand that each client has unique requirements, and we tailor our services to address their specific needs. Our client-focused approach ensures that we provide personalized attention, offering solutions that are practical, effective, and aligned with their goals.

By choosing our services, you can trust that you are working with a team dedicated to delivering reliable assessments and certifications while prioritizing your satisfaction and success.

BASIX Requirements for New Homes

If you are planning to build a new home, you are going to hear many new unfamiliar terms, one such term is BASIX!. BASIX is “Building sustainability index” that helps to determine whether your home or building meets the government's sustainability target or not. Besides being a mandatory requirement a good score on BASIX ensures that your home or building is going to be built to a minimum energy standard and will be ecofriendly as well.

BASIX Consultants like us will help your house designs meet the BASIX targets.

“BASIX index” addresses the Four attributes of “ecologically sustainable design” principles. The “Thermal”, “Energy”, “Water” and “Materials”.

Every home needs to be designed to conserve energy, water, be thermally efficient and should have less embodied carbon in construction materials.

BASIX Consultants or BASIX Assessors

The thermal efficiency of the house is measured under the NatHERS scheme. Certified energy consultants in Australia conduct the thermal modelling to measure the efficiency of the house. There are registered number of energy rating assessors in Australia. In NSW they are referred to as BASIX consultants or BASIX assessors.

They are authorized to produce the NatHERS certificates.

We at Positive eco are more than happy to help you with the list of “BASIX requirements for new homes” free of charge.

Call or email us today and get a heads up on BASIX requirements for new homes. We are ABSA certified Energy rating assessors in Australia.


If you are planning on building new dwellings, multi-unit apartment buildings or row houses you need BASIX as part of development application Or if you planning on alterations worth over $50,000 or with swimming pool with over 40kL size

Recent Projects

  • 62 Lovell Rd., Eastwood, consisting of Duplex houses

  • 9 Barrawinga, Telopea, consisting of Duplex houses

  • 32 Dowding St., Panania, consisting of Dual occupancy houses

  • 42 Horatio Ave., Norwest, consisting of Single dwelling

  • 48 + 50 Ascot Road, Bowral, NSW consisting of 8 townhouses.

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