Hi all,
hope i can get some help with this frustrating situation.
Last year my mum received 2 PCNs from southwark council, on the 2/07/25 (JK16692432) and 3/07/25 (JK16659845) when she was helping me move back to London to start my second year of uni, we made several trips over those 2 days from tring to london, I didn't get a vistors pass (i'm a resident) as we were simply unloading the car (approx 15 minutes each time before driving back).
Here lies the problem, i appealed both of these PCN's on the 16/07/25, only one of the PCNs (JK16692432) received a notice of rejection via email on the 23/07/25 - which was paid promptly, the other PCN, has to this day not been replied to via email or by post.

A few days ago my mum received a text informing her that her details had been passed on to CDER and she owes £576, according to them they've been trying to chase this up but until a few days ago no correspondence was received. The car the PCNs were issued to was a courtesy car as my mum was waiting for repairs to be carried out on her car. Note: she sold her car in december 2025, which i guess is maybe why it's taken this long?
CDER are threatening recovery of payment but i believe there aren't any grounds for this as i read on the London Tribunals PCN enforcement process that:

I would appreciate any help in drafting or finding the appropriate body to write this appeal to as Southwark council states this pcn is past the stage at which i can appeal or make representations, which is unfair as they failed to follow up within the specified time period.

because the PCNs were issued last year i don't have the letters they sent but i will attach PCN notice from Southwark council website


thank you for taking the time to read this!