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Western Sydney International (Nancy-Bird Walton) Airport

New Airport
Completion: in a year (31-Dec-2026)
IATA: WSI
ICAO: n/a
City: Sydney, NSW
Country/Territory: Australia

Capacity

  • Annual (pax):
    • Initial: 10,000,000
    • When completed: 82,000,000

Dimensions

  • Terminal:
    • 65,000m²
  • Runways:
    • 3,700m × 60m

About

Western Sydney International (Nancy-Bird Walton) Airport is an airport project which will see the development of a second airport in Sydney, NSW. The federal government commenced construction of the second Sydney airport in Sep-2018 after receiving determination in 2016. In Aug-2015, the government declared the Commonwealth-owned land at Badgery's Creek as the site for the new airport, complementing operations at the existing Kingsford Smith Airport. An environmental impact statement for the Western Sydney Airport was finalise on 15-Sep-2016, following a public consultation programme. The government unveiled its plan for the airport, stating it will develop a one-runway facility capable of handling 10 million passengers p/a. A second runway is expected to be needed between 2040 and 2050. WSA Co was incorporated by the Australian government in Aug-2017, charged with the design and construction of the new airport. Construction commenced on 24-Sep-2018.


Jun-2025.

26-Jun-2025. Bechtel confirmed the delivery of design and construction services on Western Sydney International (Nancy-Bird Walton) Airport nearly seven months ahead of schedule and within the AUD5.3 billion (USD3.5 billion) budget. Bechtel continues to support the airport with ongoing work including an operational readiness and airport transfer programme commencing later in 2025. This includes the build-out of retail spaces and extensive testing of facilities.

11-Jun-2025. Western Sydney International (Nancy-Bird Walton) Airport unveiled its new terminal, following the completion of runway and other key airside facilities on 04-Jun-2025. The terminal features a climate responsive facade, a roof featuring more than 6000 solar panels and infrastructure to collect and recycle rainfall for use in airport operations. The fit out of the terminal's retail precinct and airline lounges will take place closer to its opening as commercial tenders and final contracts are...

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