Elmhurst Park toilet refurbishment/ upgrade

Woodbridge Town Council own and manage public toilets in Elmhurst Park, Woodbridge, Suffolk. The toilets are very dated and suffer from periodic vandalism, but due to their location close play facilities and town centre, are a well used facility. We would therefore like to update the facility to offer modern public toilets, and therefore are seeking proffesional advice/ quotations on how to proceed. We would consider either a refurb of the exiting toilets (ladies, gents, disabled), or potential a complete redesign of the space. Our budget is limited to £20,000 so advice on what could be achieved for such an amount would be appreciated. If this project is of interest then I look forward to hearing from you. Best Greg Mr G E Diaper, Town Clerk, Woodbridge Town Council