M&S £170 Parking Charge: Tyre on White Line Rules Explained
A Stockport dad was charged £170 after his tyre allegedly crossed a bay line at M&S. Learn how private parking charges work and what to do next if appealing.

The Parking Ticket Pal Editorial Team
1 October 2026

Dad's £170 M&S Parking Fine Shows Just How Strict "Within The Lines" Really Means
A quick trip to Marks & Spencer for the weekly shop is hardly the stuff of parking nightmares. Yet for one Stockport dad, nipping into the Peel Centre store turned into a £170 headache after a private parking firm decided that one tyre resting on a white line was enough to justify a penalty charge. It's a story that sounds almost too petty to be true, but it highlights a genuinely important truth about UK parking enforcement: the rules can be far stricter, and far less forgiving, than most drivers realise.
What Happened
According to The Mirror, the motorist visited the M&S store at the Peel Centre in Stockport and parked in what he believed was a perfectly ordinary bay. Ocean Parking, the private firm responsible for enforcing the car park, later issued him with a Parking Charge Notice worth £170. The alleged breach? One of his tyres had strayed onto a white line marking the edge of the bay, meaning the car was not considered to be parked entirely within the designated space.
The driver complained, and Ocean Parking responded to the publication, standing by its decision. The exact wording of their justification matters less than the principle it reveals: in the eyes of many private parking operators, a vehicle that is not fully contained within the painted lines of a bay has technically broken the terms of the contract created by entering the car park, even if the mistake caused no inconvenience, blocked no one, and used no more space than a car parked a few inches to the left.
For many readers, the instinctive reaction will be disbelief. Surely a tyre brushing a line isn't worth £170? But as frustrating as it is, this sort of enforcement is entirely legal, provided the operator followed the correct process, and it is becoming an increasingly common feature of private car park management across the country.
Why It Matters
Supermarket and retail car parks like the one at the Peel Centre are overwhelmingly managed not by the retailer itself, but by third party parking companies working under contract. These firms are typically paid, directly or indirectly, through the penalty charges they issue, which creates an obvious incentive to enforce the rules as rigidly as possible.
This case matters because it exposes how far "strict liability" style enforcement has crept into everyday errands. Historically, most of us assumed a parking ticket was reserved for genuinely troublesome behaviour: overstaying, blocking an access route, or parking somewhere obviously prohibited. Increasingly, though, the trigger can be something as marginal as a wheel resting on a line, a few extra minutes past a grace period, or an ANPR camera flagging an entry and exit time that looks, on paper, like an overstay even when it wasn't.
It also matters because of scale. Private parking firms across the UK issue millions of Parking Charge Notices every year, and complaints about disproportionate enforcement, such as fines issued for tiny technical breaches, have fuelled years of pressure for government intervention. Ministers have already moved to cap charges and introduce a mandatory grace period under a new industry code of practice, precisely because cases like this one kept surfacing. If you want to understand how those reforms are shaping up, our guide to the new rules capping private parking charges and introducing a minimum grace period sets out what's changing and why.
The Legal Angle
Private parking charges are not fines in the traditional legal sense. A traffic warden or council enforcement officer issues a Penalty Charge Notice under statutory powers, but a private company like Ocean Parking has no such authority. Instead, what you're being asked to pay is a contractual charge, based on the idea that by driving into the car park and parking, you have entered into a contract with the landowner (or their agent) and agreed to abide by the terms displayed on signage.
This legal foundation was confirmed by the Supreme Court in the landmark 2015 case of ParkingEye Ltd v Beavis, which established that private parking charges can be enforceable even when they exceed the operator's actual financial loss, provided the charge is not extravagant or unconscionable and the terms are clearly communicated through adequate signage. That ruling effectively gave private parking firms the legal footing to issue charges for breaches of car park "rules," including rules about parking wholly within a marked bay.
However, enforceability isn't automatic. For a charge to stand up, several things generally need to be true:
- The signage must be clear, prominent, and genuinely capable of being read and understood before the driver parks, not hidden behind foliage or placed somewhere a reasonable person wouldn't notice it.
- The terms of the "contract" (such as the requirement to park entirely within the lines) must be adequately explained.
- The charge itself must not be disproportionate under the Consumer Rights Act 2015, which protects consumers from unfair contract terms.
- The operator must follow the correct procedure under the applicable code of practice, whether that's the British Parking Association (BPA) or the International Parking Community (IPC).
If you're unsure which body governs a particular car park operator, and it affects where you can escalate an appeal, our explainer on the differences between BPA and IPC membership is worth a read before you challenge anything.
Crucially, none of this means every PCN issued for a stray tyre is automatically valid. Drivers do have the right to challenge these charges, first informally with the operator, and then formally through an independent appeals service such as POPLA (for BPA members) or the Independent Appeals Service, IAS (for IPC members) if the informal route fails.
What Drivers Should Know
If you ever find yourself facing a similarly strict charge, a few practical points are worth keeping in mind.
Check how the line was actually marked and photographed. Operators relying on this kind of technical breach usually need photographic evidence showing clearly that a tyre was over the line, not just a general shot of the bay. If the evidence is ambiguous, that's a legitimate point to raise.
Read the signage carefully, ideally before you even challenge the charge. If there was no clear notice stating that vehicles must be parked wholly within the markings, or if the sign was obscured, faded, or poorly positioned, this could undermine the contractual basis of the charge entirely.
Don't ignore the notice. Whatever you think of the fairness of the charge, ignoring it won't make it disappear. It can escalate, additional costs can be added, and in the worst case it can end up with debt recovery action. If you believe the charge is unfair, challenge it properly and in writing.
Use the appeals process available to you. A polite, evidence based appeal to the operator is the first step. If that fails, and the operator is a member of a recognised trade body, you have the right to escalate to an independent tribunal free of charge. Our guide to making a formal representation against a parking charge notice walks through how to build a strong case.
Think about proportionality. Even where a technical breach did occur, you can argue that the charge is disproportionate to any inconvenience caused, especially if your car's position caused no obstruction whatsoever.
Looking Ahead
Stories like this Stockport case are exactly the kind of example campaigners point to when arguing that private parking enforcement needs tighter, clearer, and fairer rules. The government's planned reforms, including a cap on charges and a mandatory grace period, are a direct response to years of complaints about disproportionate penalties for minor or technical infringements.
Until those reforms are fully bedded in, though, drivers remain at the mercy of operator discretion in borderline cases. The lesson from this Marks & Spencer car park isn't really about one unlucky dad in Stockport. It's a reminder that "parking within the lines" is not just good manners, it can be a contractual obligation with a price tag attached. Take an extra few seconds to check your wheels are clear of any white lines before you walk off, because in today's private parking landscape, that small habit could save you £170.

Written by
The Parking Ticket Pal Editorial Team
Source-checked parking guidance
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