Most of what you read about the "14-day rule" is half right, which is worse than being wrong. People treat it as a loophole. It is not a loophole. It is a procedural safeguard with a large catch built into the same section of the Act, and that catch defeats most people who try to rely on it.
What the 14-day rule actually is
Under section 1 of the Road Traffic Offenders Act 1988, you cannot be convicted of speeding (and certain other offences) unless one of three things happened:
- you were warned at the time that prosecution might follow, or
- a summons was served within 14 days of the offence, or
- a Notice of Intended Prosecution (NIP), specifying the offence and the time and place, was served within 14 days.
The 14 days is counted by ignoring the day of the offence and then counting on. The notice can be served on the driver or, in most camera cases, on the registered keeper of the vehicle. If you were stopped at the roadside and told you might be prosecuted, that warning already satisfies the requirement, so there is no separate 14-day notice to challenge.
The catch that beats most people: "deemed served"
Here is the part the loophole articles leave out. The same section says a notice is deemed to have been served if it was sent by registered post or recorded delivery to your last known address, even if it was returned undelivered or never reached you for any reason.
So "I did not receive it within 14 days" is usually not the winning point people think it is. What matters is when the authority sent it, and whether the address the DVLA holds for you was correct. If it was posted in time to your registered address, the law treats it as served, full stop.
When a late NIP genuinely matters
There is a real point in here, it is just narrower than the internet suggests. If the NIP to the registered keeper was posted outside the 14 days, that is a genuine procedural failure for the keeper, and it can be fatal to the prosecution.
One important nuance. The 14-day rule protects the person the notice should have gone to, which is the registered keeper. If you were named as the driver later, after the keeper responded, the 14 days runs from the keeper's notice, not from the day you personally found out. A driver named several weeks in cannot usually rely on the 14-day rule.
Section 172: the 28-day trap that is worse than the speeding
When a camera catches a vehicle, the paperwork to the keeper almost always includes a request under section 172 of the Road Traffic Act 1988 to say who was driving. You normally have 28 days to respond.
What speeding actually costs
- The minimum is a £100 fine and 3 penalty points, issued as a fixed penalty.
- A speed awareness course may be offered at the lower end of the speed range, at the police force's discretion. One course every three years, around £80 to £100, and no points or fine if you complete it.
- Court means a fine set in bands (A, B or C) based on how far over you were and your income, and either 3 to 6 points or a disqualification.
- New drivers within two years of passing lose their licence at 6 points and have to re-apply and re-test.
- Totting up to 12 points within three years means a disqualification of at least 6 months.
Not sure if your camera fine is criminal or civil?
A speed camera NIP is criminal. A bus lane, box junction or other moving-traffic camera fine is civil, and those are often beatable. Check which one you actually have.
Why challenging speeding is not like challenging a parking charge
This is the distinction that matters most, and it is where a lot of people come unstuck. Everything else this site helps with is civil. A parking Penalty Charge Notice, a bus lane fine, a box junction fine, a ULEZ charge. You challenge a procedural defect, the charge falls away, and there are no points and no record. Challenging is close to risk-free.
Speeding is criminal. Where the detection device was calibrated, the NIP was served in time and you are identified, it is genuinely hard to beat. And unlike a parking charge, fighting it and losing can leave you worse off, with a higher fine, more points and possible costs, than if you had accepted the fixed penalty in the first place.
So before you treat a camera letter as "just another fine to appeal", be sure which kind you have. If it is actually a bus lane, box junction or other moving-traffic penalty, that is civil, often defective, and covered in the moving traffic PCN guide.
The honest bottom line
The 14-day rule is real, but it is narrow, and the deemed-service rule closes most of the door people think is open. The genuinely strong procedural points are a NIP that was posted late, or one that is materially defective about what, when and where. Everything else is fact-specific.
Because this is criminal law, the responsible step for your own case is proper advice from a motoring solicitor, not a template letter. What this guide can do is stop you making the two most common mistakes: ignoring the paperwork, and missing the section 172 deadline. Both make a manageable situation much worse.
To go deeper: the section 172 naming-the-driver trap, what speeding actually costs, and how to tell whether your camera fine is criminal or civil.
Frequently asked questions
Does the speeding NIP have to arrive within 14 days?
A Notice of Intended Prosecution must be served on the registered keeper within 14 days of the alleged offence, under section 1 of the Road Traffic Offenders Act 1988. The catch is the "deemed served" rule: if the notice was sent by registered or recorded delivery to your last known address, the law treats it as served even if it came back undelivered or you never received it. So the real question is usually when it was sent and whether the DVLA had your correct address, not the day it landed on your mat.
What if I genuinely never received the NIP?
If it was correctly posted to the address the DVLA holds for you, "I did not receive it" is usually not a defence, because of the deemed-service rule. This is exactly why keeping the address on your V5C logbook up to date matters. If you had moved and the DVLA record was current at a different address, that can be a different situation, but it is fact-specific and worth proper advice.
Do I have to say who was driving?
Yes. Section 172 of the Road Traffic Act 1988 requires the registered keeper to identify the driver, normally within 28 days. Failing to respond is a separate offence that usually carries 6 penalty points and a larger fine than the speeding itself. Ignoring the paperwork is the single worst thing you can do.
Can I get a speed awareness course instead of points?
Sometimes. At the lower end of the speed range, police forces may offer a speed awareness course instead of a fixed penalty. It is at their discretion, not an automatic right. You can normally only take one course every three years, it costs around £80 to £100, and completing it means no fine and no points.
Is it worth taking a speeding charge to court?
Be careful. Speeding is a criminal matter, not a civil one. If the speed detection device was calibrated, the NIP was served in time and you are identified as the driver, it is hard to beat. And if you contest it in court and lose, you can end up worse off than if you had accepted the fixed penalty, with a higher fine, more points and possible costs. Get advice on your specific case before deciding to fight it.
Is a speeding NIP the same as a parking or bus lane fine?
No, and confusing them is a common and costly mistake. A speeding NIP is criminal, enforced through penalty points and the courts. A parking Penalty Charge Notice, a bus lane fine, a box junction fine or another moving-traffic camera penalty is civil, enforced as a debt, with no points and no criminal record. The civil ones are often procedurally defective and beatable. The rules, the risks and the routes are completely different.
Got a camera fine and not sure what it is?
We do not offer speeding defence letters, and for a speeding matter you should take proper advice. But if your camera fine is actually a civil one, a bus lane, box junction, ULEZ or parking penalty, that is a different story, and often a beatable one.
This article is general legal information about the law in England and Wales, not legal advice, and does not create a solicitor-client relationship. Speeding is a criminal matter. Always take advice on your own circumstances before acting.