Possible Clues:

• London's old fruit and veg market
• Royal Opera House location
• Where you used to see wheeling round of cart with veg, no end?
• Site of London's Royal Opera House
• Charming group of females oddly granted part of our capital
• Where Eliza Doolittle sold flowers
• London's chief fruit and vegetable market for 300 years
• Devilish group granted representation in London