A proposal to build a new 17,000-seat entertainment precinct over Brisbane's Roma Street train station will be evaluated over six months.

The project has not been approved, but the Queensland Government has agreed on Sunday to contribute $5 million to develop the business case.

The proposal – first released in May 2016 - comes from the operator of the Brisbane Entertainment Centre at Boondall, Harvey Lister from AEG Ogden.

A six-month business case will now evaluate a 17,000 seat venue over the top of Roma Street Station.

This entertainment precinct project is backed by both major parties in Queensland.