Contact us

Western Sydney Unit

The Western Sydney Unit can answer questions related to:

  • biodiversity and the environmental conditions on the development of Western Sydney International (Nancy-Bird Walton) Airport
  • the airspace and flight path design process for the airport
  • the Western Sydney City Deal
  • road and rail links to the airport.

You can contact us by:

  • email to
  • free call to 1800 038 160 between 9am and 5pm, Monday to Friday.
  • mail to the following address:
    • Department of Infrastructure, Transport, Cities and Regional Development
      Western Sydney Unit
      GPO Box 594
      Canberra ACT 2601

You can also subscribe to our email updates to receive the latest news.

Western Sydney Airport company

Western Sydney Airport, the company responsible for building and operating the airport, can answer questions about:

  • construction activities
  • business opportunities
  • access around the airport site.

You can contact Western Sydney Airport by:

  • email to (general enquiries) or (early earthworks construction enquiries)
  • free call to 1800 972 972 (general enquiries) or 1800 951 171 (early earthworks construction enquiries)
  • mail to the following address:
    • Western Sydney Airport
      PO Box 397
      Liverpool NSW 1871