I think we actually talked about this movie in a comments section before.

Just to let you know, the first part loads incredibly slowly. It's less than ten minutes long but still isn't fully loaded half an hour later so you might want to get the page up before hand. The rest of the parts seem to play fine, though. Here's the user who uploaded it -- he's (or she's) got a couple other Hammer films, as well:
http://www.youtube.com/user/HammerHorrorUK