What is a BASIX certificate?

BASIX (The Building Sustainability Index) was introduced as part of the NSW Government’s 2004 initiative to ‘encourage sustainable residential development’ and is in effect part of the Environmental Planning and Assessment Act. The BASIX certificate aims to accommodate NSW with more resilient dwellings together with reducing greenhouse gases and water consumption.

BASIX was established to meet targets of up to 40% reductions in water consumption as well as greenhouse gas reductions by up to 25%. As a result, this delivers financial savings for the home owner.


BASIX Assessment

A BASIX certificate assessment is required for the development application process in NSW and considers various criteria, such as:

  • location of the building
  • orientation size of the building
  • construction type of the building
  • window size and type of the building
  • landscaping of the building
  • appliances used within the building.

Additionally, it also considers thermal comfort levels which lessens the amount of energy used by dwellings in order to heat or cool the house to a comfortable level.

As well as contributing to a sustainable future of urban planning, you as the homeowner will also financially benefit through reduced water and energy bills. Your BASIX certificate will confirm that your proposed project will abide by the NSW Government’s sustainability targets since obtaining a BASIX certificate means your residential building will have passed the government’s environmental targets.


BASIX Targets

The performance targets set by the NSW Government include:

  • up to a 40% reduction in potable water consumption
  • up to a 40% reduction in greenhouse gas emissions and
  • minimum performance levels of thermal comfort.

The BASIX certificate benchmarks of water and energy are both measured on a per capita basis, including:

  • Water – the average NSW consumption of potable water from the residential sector.
  • Energy – the annual average NSW greenhouse emissions from the residential sector.

To get a quote for a BASIX certificate on your project please click here on the button below.

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