Possible Clues:

• Old fogies wandering around south London neighbourhood
• Old fogies out on small London area
• 2018 Wes Anderson film
• Old fogies excited by South London location
• Sounds like I am fond of pets in this part of the capital
• East London area
• Flies goods over part of London
• Area of London's East End
• Fido's legs struggling to get round old part of London
• London Docklands area