Possible Clues:

• Bar removal of saint's bone from country without royal authority
• 30-Across provider
• Brit's watering hole
• Place for drafts and darts
• Tavern by a tube station
• 43-Across server
• Locale for tapping, toping and tipping
• Place with pint-size servings?
• Mug site
• Where stuggling U.K. singer/songwriters play