I know about this because the photography club's response to this plan was apparently so unpleasant, that the house's staff compiled a joke letter, and then wanted to share it with you all.
Aaaaaalllthough... Staff frustration is very understandable when someone expects to bring 8 to 15 people on a special out of hours visit, paying less for the whole group than is usually paid for one person!
And they then threaten to break into your venue.
Read on to see the full image sent to me of the venue's mock letter.
And do watch out for that box hedge!