Car & driving

I forgot to tax my car — what do I do now?

Realised your car tax has lapsed? Tax it online straight away, then call the DVLA to get ahead of any fine. Here’s exactly what to do, and what it can cost.

Last updated 10 July 2026

On this page

First, don’t panic — this is fixable, and acting quickly is what limits the damage. Here’s the order to do it in.

Do this now

  1. 1
    Tax it online immediatelyGo to GOV.UK and tax the car. You’ll need valid insurance and, if the car needs one, a current MOT.
  2. 2
    Sort insurance/MOT if either lapsed tooYou can’t tax without them. If your MOT has also expired, book it — you can drive to a pre-booked test.
  3. 3
    Phone the DVLA proactivelyBeing upfront puts you in control. They may charge a small fee, but it helps head off a surprise penalty in the post.

What it can cost

Watch out. Keeping or driving an untaxed car on a public road can mean a late-licensing penalty, an escalated out-of-court settlement, and — if it’s caught — a clamp or impound with a release fee on top. Number-plate cameras mean untaxed cars are routinely detected.

If the car’s actually off the road

If it’s not being used and is kept on private land, you can declare a SORN instead of taxing it — that legally stops the tax requirement.

In short

Tax the car online right away (you’ll need insurance and a valid MOT), fix anything else that lapsed, and consider phoning the DVLA to get ahead of it. Prompt action is what turns a potential fine-and-clamp into a quick fix. Set a reminder so the renewal never sneaks up again.

Frequently asked questions

What happens if I forgot to tax my car?

If it’s kept or driven on a public road untaxed, the DVLA can issue a late-licensing penalty (a fixed amount), escalate to an out-of-court settlement, and clamp or impound the vehicle — meaning a release fee on top. Automatic number-plate cameras mean it’s usually spotted, not missed.

What should I do first?

Tax it online immediately at GOV.UK (you need insurance and, where applicable, a valid MOT). Then consider phoning the DVLA to flag it proactively — being upfront tends to keep you in control and avoids a surprise penalty letter.

Will I definitely be fined?

Not always, but you may be. The risk rises the longer it’s untaxed and if it’s been driven or caught on camera. Taxing it promptly and contacting the DVLA is the best way to limit the fallout.

Sources & last checked

Last checked against official sources: 10 July 2026.