Never mind the debate about green shoots of recovery, there is enough evidence from the three counties that recovery is under way.
What were barriers to new development seem to be disappearing as the appetite for shiny new buildings returns.
In the case of Croydon, the peace treaty between Hammerson and Westfield over the Whitgift and Centrale Shopping Centres appears to have rippled out and brought a wave of optimism to other developers.
In nearby Sutton, another large development has been brought forward that will lift the image of the town.
But the two places that will have a longterm impact on the health of the UK economy, Kent Science Park and Discovery Park, are also expanding. Indeed, the steady progress at KSP is a role model for many science parks as it adds essential facilities and pushes hard for new tenants.
At Discovery Park, there is a significant challenge to move on from the many years of a large campus for Pfizer to a wider perspective.
In this case, the catalyst is the backing of Palmer Capital which has a fine track record.
Finally, there is Brighton & Hove with new schemes after a long period of quiescence.
When the mood changes from glass half empty to glass half full then economic growth and new development become easier to achieve.