NSW Premier Barry O'Farrell says he's confident there's enough infrastructure to support the government's latest land release that will see more than 3000 new homes built in southwest Sydney.
Mr O'Farrell on Saturday announced that land at Catherine Field on Sydney's southwest fringe had been rezoned and will be the site for 3200 new homes.
The government says blocks of land will go on sale from 2014, with homes available in 2015.
Speaking at nearby Oran Park Town, Mr O'Farrell said he was "absolutely" confident there would be enough local infrastructure to support the development.
"We're releasing the land that people need ... but also at the same time delivering the schools, sewerage lines, the local roads, the major roads but also the railway lines," Mr O'Farrell said alongside Treasurer Mike Baird and Planning Minister Brad Hazzard.
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Mr O'Farrell said unlocking the land was part of creating a "modern miracle" for the region.
"We're building homes and at the same time building the infrastructure that those families who will live in those homes need."
Mr Hazzard said it was the seventh "major rezoning" undertaken by the government in three years.
"The critical issue to drive down prices is the availability of houses," he told reporters.
"Turning paddocks into opportunities for people to have homes is what this government is about."
He estimated up to a million people would move to southwest Sydney by 2031.
Mr Baird said the release showed the housing sector was "on the move".
"That is good news for the overall economy ... It's good news for first-home buyers and it's obviously good news for anyone out here today who's looking to purchase a home," he said.
He said new homeowner grants for first homebuyers were up 80 per cent in 2013.
"That's a significant move forward," he added.
