What happens if your MOT runs out?
Once your MOT expires it is illegal to drive the car on public roads, and you can be fined up to £1,000. There is no grace period. The only exceptions are driving to a pre-booked MOT test, or to or from a garage for repairs. Letting it lapse can also invalidate your insurance and stops you taxing the car.
Letting an MOT lapse is easy to do and easy to get wrong. Many drivers assume there is a short window of leeway after the date on the certificate, or that a quick trip does not count. Neither is true. Here is exactly what happens when your MOT runs out, and how to put it right without losing any days.
Is it illegal to drive once your MOT has expired?
Yes. For most cars over three years old an MOT is a legal requirement, and the day after your certificate expires it is against the law to drive the car on public roads. You can be fined up to £1,000. It does not matter whether the journey is short or the car feels fine, the offence is driving without valid cover in place.
If the car is also in a dangerous condition, the penalties are steeper still. Driving a vehicle in a dangerous state can bring a fine of up to £2,500, three penalty points, and a possible driving ban. Our guide to why cars fail their MOT covers the faults most likely to be judged dangerous.
There is no grace period
This is the point that catches people out. There is no grace period once an MOT expires. The certificate is valid up to and including the expiry date printed on it, and not a day longer. If your MOT expired yesterday, driving today is already an offence. So the sensible habit is to treat the due date as a hard deadline and book in advance, not on the day.
The only times you can drive without a valid MOT
There are two narrow exceptions where the law allows you to drive a car whose MOT has run out:
- To a pre-booked MOT test. You should be able to prove the appointment if you are asked, so keep the booking confirmation to hand.
- To or from a garage for repairs, for example after the car has failed and needs work before a retest.
Even in these cases the car must still be roadworthy. If it has a fault that makes it dangerous to drive, you should not take it on the road at all, and should arrange for it to be recovered instead. The table below sums up where you stand.
| Situation | Can you drive? |
|---|---|
| MOT still in date | Yes, as normal |
| MOT expired, driving to a pre-booked test | Yes, if the car is roadworthy |
| MOT expired, driving to or from a garage for repairs | Yes, if the car is roadworthy |
| MOT expired, any other journey | No, this is illegal |
| Car in a dangerous condition | No, even to a test |
What it means for your insurance
The fine is only part of the risk. Driving without a valid MOT can invalidate your insurance. If you have an accident while the car should have had an MOT and did not, your insurer may be able to refuse the claim or treat the policy as void. That can leave you personally liable for repair costs, third party damage and injury claims, which can run into far more than any court fine. In short, an expired MOT quietly removes a layer of protection you are still paying for.
You cannot tax the car either
An MOT and your road tax are linked. You need a valid MOT in order to tax a vehicle, so if the MOT lapses you will not be able to renew your tax when it is due. Letting one slide can therefore trip up the other, and you can end up untaxed as well as untested. Both are checked automatically from the DVLA and MOT databases, so there is nowhere to hide a gap.
You can renew up to a month early and keep the same date
Here is the reassuring part. You do not have to wait until the last minute and risk running over. You can have the car tested up to a month (minus a day) before the current certificate expires, and still keep your existing expiry date. The new certificate simply runs to the same anniversary the following year, so you lose none of the time you have paid for.
For example, if your MOT expires on 15 May, the earliest you can test while keeping that date is 16 April. Test any time in that final month and your next MOT will be due on 15 May the following year. Test earlier than that and the clock resets to the new test date, which is why the one month rule matters.
What to do if yours has already lapsed
If you have realised your MOT is out of date, do not drive the car for any other reason than a booked test or a trip to the garage. Book the test first so you are covered for that one journey, then keep the confirmation with you. If the car is not driveable, arrange recovery rather than risk it.
Going forward, the easiest safeguard is to book before the due date every year and set a reminder for the anniversary. If you are unsure what to pay, see how much an MOT should cost, and if you want to confirm your exact expiry date you can look it up in your MOT history. When you are ready, book your MOT with a local approved centre in a few minutes.
Key takeaways
- Driving on an expired MOT is illegal and can mean a fine of up to £1,000.
- There is no grace period, the moment it expires you are no longer covered.
- The only exceptions are a pre-booked test, or driving to or from repairs.
- No valid MOT can invalidate your insurance and stops you taxing the car.
- You can renew up to a month early and keep the same expiry date.
Frequently asked questions
Is there a grace period after my MOT expires?
No. Unlike some things there is no grace period for an MOT. The day after it expires it is already illegal to drive the car on public roads, so the safest approach is to book before the due date.
Can I still drive to get it tested or repaired?
Yes, but only in two situations, to a pre-booked MOT test, or to or from a garage for repairs. Even then the car must be roadworthy, and you should be able to show the booking if you are stopped.
Will an expired MOT affect my insurance?
It can. Many insurers can refuse a claim or treat the policy as invalid if the car did not have a valid MOT when one was required, so the real cost of driving on can be far more than the fine.
If I renew early, do I lose the extra days?
No, as long as you test within the last month (minus a day) of the current certificate. The new expiry date is set to the same date next year, so you keep your existing anniversary and lose nothing.