Possible Clues:

• Local wedding venue
• US municipal government building
• Bath for Henry from second class? American mayor wants to run it presumably!
• It's tough to fight, it's said
• American administration to lobby Dublin leader
• Cork concert venue is part of administration overseas
• Metonym for local government
• Where Bill de Blasio and Sadiq Khan work?
• Building at the junction of 12, Park Row and Chambers Street
• Local authority visit about heartless treatment of infant and youth