Not sure what the cultural centre is about, sounds like some kinda local private club, and alas a council paid hug a junkie centre got leased next door.

Christ. Imagine buying or leasing part of a building to have some kind of club and dossers start pitching tents and pissing and pooping outside.

Another solution would have hidden weeping pipe installed in the eaves and overhang and have it drip constantly on the sidewalk below