I'm in the Isle of Man, but the last ten Halloweens have been spent in Leeds. Leeds pretty much sucked for Halloween - we had a TK Maxx which had a few decent (though very expensive) things, but ASDA and Wilkinsons were abominable the last few years and Poundland was, well, Poundland. There were a few Halloween events aimed at students, but it was mostly the usual "hey let's see how fast we can get drunk" things, except people wore headbands with horns on them.
I would usually have a few friends over and we'd play spooky-themed boardgames and wear costumes and watch movies and eat Halloween-themed food, but it was about half-a-dozen of us and I never heard about anyone else doing similar things.
Now that I;m back home, we have the Hop-Tu-Naa festival, which is kind of a Halloween/Harvest festival combo. There's a Halloween train this year and two Halloween balls, though sadly both on the same night, poor effort. We have a haunted mansion that's been turned into an amazing resturant and a fairly entry-level museum, and they're doing Halloween tours this year too, which should be fun.