Harrow No Entry PCN Appeal: A Win Drivers Can Learn From
A Harrow no entry PCN was cancelled at tribunal. Learn how motorists can challenge sign-based penalties with clear evidence and the right appeal grounds.

Sarah Mitchell
4 August 2026

"No Entry" Doesn't Mean No Evidence Required: How a Harrow Driver Beat a Confusing PCN
Why This Case Matters
Picture this: you're driving down a road, minding your own business, when it turns out you've gone the wrong way down a one-way street. A few weeks later, a Penalty Charge Notice lands on your doormat. Fair enough, you think, and you pay up or brace for a fight.
But what if the council can't actually prove where you went wrong, or whether the sign warning you was even visible? That's exactly the situation one Harrow driver found themselves in, and it's a case that reveals just how much weight sits on a council's shoulders when they issue a PCN. Spoiler: London Borough of Harrow didn't carry that weight very well.
This case is a useful reminder that a parking or traffic contravention isn't simply "the council says so, so it must be true." Evidence matters. Location matters. And if a council can't show its working, drivers can, and do, win.
The Case
The London Borough of Harrow issued a Penalty Charge Notice for "failing to comply with a no entry sign." In plain terms, the council alleged the driver had entered a road, or driven along it, in a direction that was prohibited, likely because it was a one-way street with a "No Entry" sign at one end.
The driver appealed, and the case ended up in front of an independent adjudicator at the parking tribunal. The adjudicator's job in these cases isn't to take sides. It's to look dispassionately at the evidence both parties present and decide whether, on the balance of probabilities, the contravention actually happened and was properly enforced.
In this instance, the adjudicator wasn't just unconvinced. They were unimpressed.
The Arguments
The council's case rested on CCTV footage and what's known as "library photographs", stock images of the location and its signage, typically used to show what a compliant, well-signed junction looks like.
The driver's case was that there had been roadworks in the area, and these had obscured the "No Entry" sign. In other words, even if they had driven the wrong way down a one-way road, they couldn't reasonably have known it was prohibited because the warning sign was hidden or blocked.
This is a classic and often successful line of defence in parking and traffic appeals. If a sign isn't visible or is obscured, whether by scaffolding, foliage, temporary barriers, or roadworks, the argument goes that a driver cannot fairly be penalised for not obeying an instruction they couldn't see. It's a defence with real teeth, provided you can back it up with evidence such as your own photos, dashcam footage, or witness statements.
The Decision
The adjudicator allowed the appeal, cancelling the PCN entirely. And the reasoning wasn't a narrow technicality. It was a fairly thorough dismantling of the council's evidence package on multiple fronts.
The Legal Reasoning, Explained Simply
The adjudicator's written reasons read almost like a checklist of everything that can go wrong when a council doesn't do its homework. Let's break down each point.
1. Nobody could work out where this actually happened
The location given by the council was described as "Park Way Oakleigh Ave-The Highlands." The adjudicator tried to find this location using Google Maps and the A-Z (the classic paper street atlas many councils still reference in older paperwork) and simply couldn't locate it.
This might sound like a minor administrative slip, but it's actually fundamental. If you can't establish exactly where a contravention took place, you can't be confident the signage, road layout, or restrictions applied the way the council claims. It's a bit like being accused of a fs speeding through a junction that, officially, doesn't seem to exist.
2. Was there even a proper "No Entry" sign in place?
Under the relevant traffic signs regulations, a "No Entry" restriction at the mouth of a junction typically needs to be signed on both sides of the entrance, not just one. This ensures drivers approaching from either direction have a fair chance to see the prohibition before they commit to entering.
The council's evidence didn't clarify whether there was one sign or two. Without that clarity, the adjudicator couldn't be satisfied the signage met the required standard. This is a great example of how technical, seemingly small details, like sign placement and duplication, can make or break a case.
3. Roadworks may have hidden the sign, and nobody addressed it
This is where the case really falls apart for the council. The driver's specific defence, that roadworks were obscuring the sign, was never properly addressed by the council in their evidence.
The CCTV footage, crucially, showed the vehicle approaching from the opposite direction to where the alleged contravention occurred, meaning it didn't actually capture the moment or the state of the signage at the relevant point. The library photographs, meanwhile, weren't taken on the day in question, so they couldn't confirm what the road actually looked like when the driver passed through, roadworks and all.
In legal terms, this matters because the burden of proof sits with the enforcing authority, not the driver. The council needed to demonstrate that the sign was properly displayed and unobstructed at the time of the alleged contravention. Simply not engaging with the driver's roadworks argument left a significant gap in their case, one the adjudicator wasn't willing to fill in on the council's behalf.
The bottom line from the adjudicator
Even though the vehicle probably did drive down a one-way road, that alone wasn't enough. As the adjudicator put it, they were "not satisfied that the signage indicated the prohibition." Driving the wrong way down a one-way street is only a valid contravention if the signage warning you was adequate, visible, and properly evidenced. Here, none of that was established.
Lessons for Drivers
1. If a sign was obscured, say so, and gather evidence fast. Photos, dashcam footage, or even noting down roadworks details can be the difference between a fine standing and being cancelled. Councils won't always volunteer this information, so it may fall to you to raise it clearly in any appeal.
2. Don't assume the council's paperwork is watertight. Library photographs and generic CCTV clips can look official, but they don't always prove what happened on the specific day, at the specific location, involving your specific vehicle. Look closely at dates, angles, and locations in any evidence sent to you.
3. Location details matter more than you'd think. If the address or description of where you allegedly contravened a restriction seems vague, oddly worded, or hard to locate on a map, that's worth flagging. It can indicate wider issues with the quality of the case against you.
4. Signage rules are specific, and councils must follow them. No entry restrictions generally need signs on both sides of a junction mouth. If you only recall seeing one sign, or none at all, this could be a legitimate ground for challenge.
5. The burden of proof sits with the council, not you. You don't have to disprove the contravention beyond doubt. You simply need to raise reasonable doubt about whether the council has met its evidential burden. If they haven't addressed your defence at all, that's a significant weakness in their case.
If you're facing a similar situation, it's worth reading up on how councils are expected to present evidence at tribunal, and if the stakes feel high, seeking guidance from a knowledgeable adviser or the tribunal's own guidance notes before submitting your appeal.
Key Takeaway
A "No Entry" sign only works as a legal restriction if it's actually visible, properly placed, and evidenced by the council, not simply assumed. This Harrow case is a powerful reminder that penalty notices aren't automatically valid just because a driver technically went the wrong way. If the council can't prove the signage was adequate and unobstructed at the time, the contravention doesn't stick, no matter how compelling the CCTV footage looks on paper.

Written by
Sarah Mitchell
Parking Rights Advocate
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