Contravention code 52 · On-street

PCN Code 52: Failing to comply with a prohibition on certain types of vehicle

This is the official national contravention code printed on your notice. Here's what it means, and whether there's a common ground worth checking.

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Not a law firm. General information about the code itself, not legal advice about your case — upload your own notice for facts that actually apply to you.

What this code means

“Failing to comply with a prohibition on certain types of vehicle”

Code 52 is an on-street contravention from London Councils' national PATROL contravention code list, the standard list used on council and TfL penalty notices across England and Wales, not just London.

Is there a common way to challenge this?

It depends on the facts of your case

Code 52 doesn't point to one obvious ground the way some codes do — the right one (signage, a procedural error by the council, incorrect notice details, or simply that the contravention didn't happen) depends on what actually happened where you parked, not on the code by itself.

Check your notice and pick your ground

Other on-street codes

Code 53

Failing to comply with a restriction on vehicles entering a pedestrian zone

Code 54

Failing to comply with a restriction on vehicles entering and waiting in a pedestrian zone

Code 55

A commercial vehicle parked in a restricted street in contravention of the Overnight Waiting Ban

Code 56

Parked in contravention of a commercial vehicle waiting restriction

Not sure which code applies to you? See the full list.

Official source for this code

London Councils' national PCN Contravention Code List (PATROL), the standard reference used on penalty notices across England and Wales.

Last reviewed: 30 August 2026

GOV.UK PATROL

OverturnFine is an independent document-preparation service. It is not a law firm and does not provide legal advice, and it is not affiliated with any council, TfL, or UK government body.

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