This Saturday at 11.30am, Westbury residents are holding a rally on the Village Green and the group will incorporate at a meeting later that day.

The state government is using public relations firm Corporate Communications to ensure it consults effectively with the local community when it comes to the $270 million Northern Regional Prison.

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Westbury resident Linda Poulton is a solicitor with expertise in administrative law and litigation, as well as experience with associations, who has been practicing for more than 20 years.

She said there was "a lot of talented people" conducting research behind the scenes for the soon-to-be-incorporated group.

"I'm helping ... [on my own time] to incorporate the group and also, moving forward, giving advice on planning strategies for the planning process," Ms Poulton said.

The government is set to commission a socio-economic impact study in relation to the Northern Regional Prison, but Ms Poulton said aspects of this research may need to be challenged.

"When it comes to placing submissions [on the planning application], a variety of consultants will probably be called on to help us with evidence about socio-economic impact, value on property and things like that," she said.

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Government frontbencher and Lyons Liberal MHA Guy Barnett said earlier this week that the people of Westbury had some concerns about a prison being built at the Valley Central Industrial Precinct and that some of the concerns were "legitimate".

"A preferred site has been identified for [the prison], and of course there's pros and cons," he said. "I'm getting feedback from the local community which is very important."

"What's important for the community of Westbury is that they know that they're listened to."