It’s only the American pit bull terrier and the American Staffordshire terrier that are banned. The English Staffordshire bull terrier are legal, and a favorite of drunken council estate yobs
Not sure about the UK law, but where they've tried this in the US the powers that be really don't know the difference, and the dogs get generically lumped together. The headline of this article suggests the UK doesn't do much better, and I'm guessing their breed banners aren't any brighter than ours.