Opponents of a redevelopment for hundreds of homes, hotels and a supermarket are taking their concerns to the public.
Brighton Urban Design and Development (Budd) is staging a public meeting next week about the major redevelopment of a brownfield site next to Brighton station.
Budd says the meeting will be the only opportunity for members of the public to hear about the development proposals.
It says because the developers have no plans for any public meetings or exhibitions about the proposals, Budd has decided to invite them and councillors and council officers from Brighton and Hove City Council.
Spokesman Ben Messer said: "We think it vitally important people understand what is being proposed. The developers and the council know what people feel about it."
However, the New England Consortium, which has submitted plans to the council, said there had already been long and thorough consultation on the proposals.
The scheme incorporates housing, including hundreds of homes for key workers, hotels, a Sainsbury's supermarket and offices.
The consortium says it is a model of sustainable urban development but opponents say a car park for the store will generate more car journeys, causing pollution.
Those invited to the meeting include a representative of site owners Railtrack, David Rudlin from designers URBED and Chris Gilbert, of the development company QED.
Mr Messer said: "The council's decision on this proposal is crucial for the people of Brighton and Hove.
"We will have to live with this development if it gets built, so it is vital our concerns are responded to and our interests fully considered.
"Is it the best we can get, or is it a wasted opportunity of a valuable site that is being handed over to private profiteers?"
A spokesman for the consortium said: "We have met with the relevant groups and consistently offered to discuss the proposal with anyone who wants to talk about it.
"Our web site contains the entire planning application, with an invitation for people to comment.
"We produced a detailed newsletter and distributed it to thousands of homes in the area.
"The planning application is now public property and people are free to make comments on it. We have always welcomed that."
The meeting is being held at the Brighthelm Centre, North Road, on Wednesday, October 24, at 7.30pm.
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