Possible Clues:

• 'Nonsense!'
• Codswallop
• Detective is party to the French nonsense locally
• Rubbish heap in which fire's started repeatedly
• Rubbish, nonsense
• Nonsense from fine female in tall building
• Cobblers can make a lot of money covering pair of feet
• Drivel
• Rubbish very loudly placed in heap
• Collection including very loud rubbish