Mr Perrottet joined Premier Gladys Berejiklian and Tourism Minister Stuart Ayres to launch the Bradfield City Centre, a new suburb that will built to support the incoming Western Sydney International (Nancy-Bird Walton) Airport – due to be completed in 2026.

The satellite city is expected to take up the spatial equivalent of 60 per cent of Sydney’s CBD.

The runways in the city’s west will complement Sydney’s lone major airport, Kingsford Smith, while providing an economic injection into the region.

Ms Berejiklian and Mr Perrottet revealed a funding commitment of $1.1bn for the Bradfield City Centre, which they claim will create up to 17,600 skilled jobs.

However, Mr Perrottet appeared annoyed at a question from Channel 9 state political reporter Chris O’Keefe.

With light planes flying overhead, disrupting the outdoor press conference, the Treasurer was asked, “These are light planes; how would you go living under (Airbus) A380s?”

“Well, Chris, that’s the attitude that gets nothing done,” Mr Perrottet quipped.

“I mean, we are building a future state for the next generation. (The airport) is going to make a real difference to people’s lives, we can’t have this (type of) backward thinking as we move forward as a state.”

Premier Gladys Berejiklian said work on the Bradfield project would begin this year.

The government’s funding commitment includes $975.5m to establish, remediate and allow site access to about 100ha of land on the doorstep of the new airport.

“We have named the new aerotropolis city Bradfield, and now work is set to begin (this year) to turn what is essentially a paddock today into a thriving global city centre,” Ms Berejiklian said.

However, Ms Berejiklian said there could be a labour shortage to deliver the airport project on time given closed international borders had significantly reduced skilled foreign workers.

“That‘s why we’re really keen to make sure our population is vaccinated (and reopen the borders),” she said.

“We do have an emerging challenge with skilled labour.

“NSW can’t afford to sit still. We have a massive infrastructure pipeline (to get through); we’ve always relied on our local labour (but) we’ve also relied on international expertise.

“If you want to be the world’s best, you have to rely on your best but also (workers from) around the world.”