Should places like Croydon, Uxbridge, Greenwich and Rainham maintain a regional identity that is distinct from London?

Doughnut: The Outer London Festival is this Saturday, the 5th of September and is a day-long celebration and exploration of the future of the peripheral city.
http://www.architecturefoundation.org.uk/programme/2015/doughnut

ABOUT THE ARCHITECTURE FOUNDATION
For over 20 years, the Architecture Foundation has brought together professionals from across the built environment to discuss and act on issues related to design and the built environment. With a renewed focus on the city and the critical intersection of architecture and politics, the Architecture Foundation works to effect meaningful change on policy and practice.
http://www.architecturefoundation.org.uk