Possible Clues:

• Unfinished business caused by ill-defined objective
• Unsettled matter
• Convenience needs refurbishing � one of Clive Anderson's?
• 'A detail not settled or explained (5,3)'
• Something that needs tying up seen in deluge, losing head
• Unsettled detail for circles seen in Longford
• Toilet spotted by old Penny, it's not tied up?
• Detail to tie up (2 words)
• Detail to ''tie up''
• The bored, idle at one