Interesting thread and can imagine the UK being a hotbed for the paranormal.
I'm not really much of a believer myself but when I was about 8 or 9, I went on an overnight school trip to Williamsburg, VA. Shared a room in an old style inn with a couple other boys. In the wee early morning hours, the room got freezing cold and a blurred figure of a man in apparently 18th century clothing stood gazing out the window. Lasted no more than 10 seconds before he faded away. My roomates and I freaked and hid under the covers the rest of the night. We reported it to one of our teachers next morning who didn't take us seriously of course. He asked one of the inn staff if there were heating problems since the building was so old because of our story. We told him which room we were in and he kind of chuckled and said we had the rare luck to be visited by their resident spook. Story goes he was some kind of merchant who committed suicide due to heavy financial debts. So that was my brief encounter anyway and to this day can't really say what I saw was real or not - maybe just my way of denial.
More recently, every summer my garrison troops a nearby small town as part of their parade festivities. They usually let us use their old library basement to dress and stow bins. According to the state registry of historical places, this library was purportedly haunted by a former librarian who died in the 1920s. We never paid it much attention since we were mostly focused about gearing up for the parade. However one year, one of the jedi in our sister rebel group who said she was sensitive to such phenomena (no force jokes intended!) said she immediately sensed another presence in the basement with us and felt uneasy. Rest of us felt nothing and only after a few moments did she feel it safe to enter herself. Was going make a crack about her force powers but could tell she really felt unnerved by something and left it at that.