Bury St Edmunds Town Council is giving £10,000 to a project to turn the Guildhall into a heritage centre.
The Grade I listed Guildhall Heritage Project has until March to raise match funding required for a recently submitted Heritage Lottery Fund bid for £700,000 towards the £1.5 million budget.
Project manager Mike Jackson said yesterday they are more than £300,000 short but have 60 applications in to charities and trusts for funds and are appealing to the community, businesses and individuals. A £170,000 Historic England grant is funding current roof repairs.
The project aims to turn the building, in Guildhall Street, into a heritage centre, including the only remaining World War II Royal Observer Corps control room.