FAQ

A BASIX Certificate is required for most residential developments in NSW to demonstrate compliance with sustainability targets for water efficiency, energy use, and thermal comfort.

The cost of a BASIX certificate in Sydney depends on the project type, size, and complexity, such as houses, duplex developments, or granny flats.

Most BASIX assessments can be completed within 24 to 48 hours after receiving the final architectural drawings.

A NatHERS assessment evaluates the thermal performance of a residential building and assigns an energy rating between 0 and 10 stars.

A 7-Star NatHERS rating is the minimum energy efficiency requirement for most new homes under the National Construction Code (NCC 2022).

Yes, most duplex developments require NatHERS modelling to demonstrate compliance with energy efficiency requirements.

Architectural drawings, floor plans, elevations, sections, and window schedules are typically required to start an energy assessment.

Yes, most granny flats in NSW require a BASIX certificate before approval can be granted.

Architectural drawings, floor plans, elevations, sections, and window schedules are typically required to start an energy assessment.

Section J compliance demonstrates that a commercial building meets the energy efficiency requirements of the National Construction Code.

JV3 modelling is a performance-based energy modelling method used to demonstrate compliance with NCC energy requirements for commercial buildings.