Possible Clues:

• Local wine, is that not so?
• Is it not?
• Northerner has change of heart, don't you agree?
• Is it not common, the thing behind the bar?
• Don't you think local site's out of bounds?
• Tag question in potential source of irritation
• Isn't it commonly where you get booze and sex?
• 'Am I right?' sentence ender, to Brits
• It’s supporting the Dog and Duck perhaps, is that not so?
• 'Don't you agree?,' in British lingo