Residential BASIX For NSW

Home Residential BASIX For NSW


What is BASIX and how does it work?

Introduced by the NSW Government, BASIX ensures homes are built to be more energy and water efficient.

BASIX is an on-line program that assesses a house or unit design, and compares it against energy and water reduction targets.

The design must meet these targets before a BASIX Certificate can be printed. Every development application for a new home must include a Basix Certificate when submitted to Council as part of the development Approval Application.

BASIX Certificate

BASIX uses information such as site location, house size, type of building materials, fittings for hot water, cooling and heating.

It is important to realise that the commitments made during the BASIX process are shown on the final certificate

and must be marked on the plans, and adhered to during the building process.

Any changes made to the house design means another BASIX assessment must be completed and a new BASIX Certificate submitted to Council.

Who should complete a BASIX assessment?

The BASIX tool is simple to use, and the assessment can be done either by yourself or your building designer. This is best done early on in the design phase, and usually takes about an hour to complete.

If your building designer completes the assessment for you, make sure they discuss the BASIX commitments with you first. Remember, BASIX is flexible.

What are the Energy and Water targets?

BASIX is not a “one-size-fits-all  approach : it incorporates regional variations such as soil type, climate, rainfall and evaporation rates.

The Energy target varies according to building type and location.

The Water target varies between 0 and 40%, according to location. Read the About the BASIX Water Target fact sheet for more information.