well there's a surprise
Of course all the venues are closing, they put at least 2 bands a week on.
2 bands a week at £250 a band is a minimum of £2000 a month. Unless a band manages to pack the place to the rafters with people, then the pub is going to lose money.
Reduce your fees, give the pubs a chance.
Sod the "We don't make any money out of it anyway, we only do it for the love of music" lines. If you love it that much, be out of pocket for a while, so what.
If yo love football and go to a game every other weekend it costs you a fortune, but I don't hear anyone saying they should be paid to go and watch