Copyright

Copyright

The Commonwealth of Australia as represented by the Department of Climate Change, Energy, the Environment and Water (‘Department’) encourages the dissemination and exchange of information provided on this website.

Unless there is an indication to the contrary, expressly stated to be subject to other restrictions, all material presented on this website is provided under a Creative Commons Attribution 4.0 International, with the exception of:

• the Commonwealth Coat of Arms
• the NatHERS logo
• the Home Energy Rating logo
• any departmental logos or Commonwealth trademarks
• content supplied by third parties.

Details of the CC BY 4.0 International are on the Creative Commons website. As is the full legal code for the CC BY 4.0 International licence.

Attribution

Use of the Department's material under a Creative Commons BY Attribution 4.0 international licence requires you to attribute the work (but not in any way that suggests that the department endorses you or your use of the work). Material obtained from this website is to be attributed to the department as:

© Commonwealth of Australia 2026

Third party copyright

Wherever a third party holds copyright in material presented on this website, the copyright remains with that party. Their permission may be required to use the material.

The Department has taken all reasonable efforts to:

• clearly label material where the copyright is owned by a third party, and
• ensure that the copyright owner has consented to this material being presented on this website.

You are responsible for ensuring that you have adequate rights to use the material belonging to a third party.

Using the Commonwealth Coat of Arms

Terms of use are available for the Coat of Arms.

Department of the Climate Change, Energy, the Environment and Water material used 'as supplied'

Provided you have not modified or transformed the department's material in any way, the department prefers the following attribution:

Source: Department of Climate Change, Energy, the Environment and Water

Derivative material

If you have modified or transformed the department's material, or derived new material from those of the department in any way, then the department prefers the following attribution:

Based on Department of Climate Change, Energy, the Environment and Water data.

Using the NatHERS or Home Energy Rating logo

For details on the use of the NatHERS or Home Energy Rating logo, refer to the Trade Mark Guidelines