Glasgow? Isnt that the place where they speak funny english and stab people for making jokes about it?
Oops... *RUN AWAY!*
Taken from GW Glasgow Store info page:
"Thursday nights are our Veteran's Night when our store club meets, The Glasgow Blackshields. From 17.00 to 21.00 you are free to play any Games Workshop game, from Warhammer 40,000 to Warmaster."
If you want to put up with those lot.
The other i found and quickly skimmed was:
http://www.gdws.co.uk/
Though i dont know if they play warhammer.