Info from Wikipedia
The Forum is an independent music venue in Royal Tunbridge Wells, Kent, England, with a standing capacity of 250. The venue opened in 1993, the building having previously been a public toilet.
The Forum opened as a new music venue in January 1993 in a building on Tunbridge Wells Common which had been built as a public cold bath and was subsequently a public toilet and then a brass rubbing centre. It has since hosted a number of acts who have gone on to achieve significant commercial success.