Katie
Not sure where you are but all houses and appartments at the Perry Vale Junction have garages or parking lots.
If you are further towards SE 26 then problem not so bad .
Anyway I appreciate most people seem to be against CPZ's , as indeed I was when living in Devonshire , as they were not required there.
There would be no problem if the selfish parkers walked to the station. Surely no one in Se 23 lives that far from the station. Small trips in a car cause proportunately more polution.