Possible Clues:

• There's a lasting dinge around the North
• Novelist's need
• O. Henry surprise
• It might be grand to be repairing this at last
• That's enough to make it last
• that's the very last thing one might be doing about Ur in 34 across
• See 27 down
• Close - conclusion
• No time for nurse's work - that's final!
• Finishing up as a big noise in England