Possible Clues:

• Note small house in London area
• Area of New York City
• London area told to plant seeds and dig up weeds?
• Consequently met Vietnam leader in London
• Artsy N.Y.C. locale
• Drive off, turning round the centre part of London
• Smoke's part sulphur, and other gases
• Arty NYC neighborhood
• Part of our capital, thus, goes on small house
• Colourful district in London's West End