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Do you need insurance to tax a car?

If you’re driving in the UK, you’ll need to make sure your car is insured before you can tax it. While the rules around car tax might seem complicated, keeping your vehicle on the right side of the law doesn’t have to be.
Leoni Moninska author headshot
Written by Leoni Moninska, Senior Insurances Expert | Car & Home Insurance
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Key takeaways: 

  • In the UK, it’s a legal requirement for all cars on public roads to be taxed, unless they’ve been declared SORN. 
  • Under the Continuous Insurance Enforcement (CIE) law, all vehicles must have valid insurance before they can be taxed. 
  • The DVLA uses a central database called the Motor Insurance Database (MID) to check if your car is insured. 
  • To tax your car, you’ll usually need the reference number from your V5C log book (the vehicle registration document). However, if you don’t have this, you can use your V11 reminder (a vehicle tax reminder letter sent by the DVLA) or your new keeper slip (V5C/2) if you’ve recently bought the car.

Can you tax a car without insurance?

No, you can’t. Under Continuous Insurance Enforcement (CIE) rules, vehicles must usually be insured before they can be taxed.

When you go to tax your car, the DVLA will check the Motor Insurance Database (MID) to see if your vehicle is insured. If your car isn’t listed on the MID, your application will be rejected.

As a rule, a vehicle is only legal if it is both insured and taxed, or it is SORN and therefore untaxed.

If you want to avoid penalties - ranging from fines and points on your licence to vehicle confiscation - you’ll have to make sure your car fits into one of these categories.

What is car tax?

Car tax is a type of tax that is legally required if you want to drive a vehicle on public roads. It’s officially known as Vehicle Excise Duty (VED) and is paid by the vehicle’s registered owner. 

The amount of VED you’ll need to pay depends on several factors, including the type of vehicle you own, its fuel type, and its CO2 emissions. Typically, you’ll have to pay a certain amount of tax upfront when you first register your car, then every six or twelve months after.  

It’s important to note that your vehicle can only be untaxed if it's declared SORN (Statutory Off Road Notification). 

Unless you have this exemption, you’ll have to keep paying car tax. If you don't, you could be faced with hefty fines, points on your licence and, in some cases, your vehicle getting confiscated.

What is Continuous Insurance Enforcement (CIE)? 

CIE is a law in the UK which states that any vehicle you own that isn’t SORN must be taxed and have active insurance. 

Even if your car isn’t being driven, the law still stands. 

Your car must be insured in order to appear on the MID, which is the central register that’s used by the police and the DVLA to check the insurance status of vehicles. 

Not appearing on this register could put you at risk of your car being seized. So, it’s important to make sure your tax and insurance are both up to date, even if your car isn’t currently in use. 

If you’re unsure of your vehicle’s insurance status, you can check for free using the askMIDonline tool.

Why do I need to tax and insure my car?

Car insurance and VED are both legal requirements for using public roads in the UK. 

The money you pay to tax your car, the VED, goes into the central government fund and can be used to fund infrastructure development, healthcare, education and various other public services. 

Your car insurance, on the other hand, is paid to your insurer. It’s still a legal requirement under the Road Traffic Act 1988. However, it’s used to cover the cost of damage or injury to others and the policyholders car in the case of an accident, depending on the level of cover.

Both car tax and insurance are just as important as each other. The crucial difference is that tax is for the government, whereas insurance provides financial protection and peace of mind for yourself and third parties. 

What documents do I need to buy car tax?

The documents you’ll need to tax your car will depend on whether you choose to do it online, by phone, or through your local Post Office service. 

If you want to tax your car online, you can do so quickly and easily through the DVLA website. You’ll need: 

  • Either the 11-digit number from your V5C log book, or the 12-digit number from your new keeper slip (V5C/2).
  • A valid MOT on the car you want to tax, as well as active insurance on the DVLA system. 

To tax your car by phone, simply call the DVLA vehicle tax service on their listed number and be sure to have:

  • Either your V11 reminder, V5C log book, or V5C/2 slip. 
  • Your debit or credit card so you can pay your tax bill.

Alternatively, if you choose to go through your local Post Office branch, you should bring along the following: 

  • Your V5C log book or V5C/2 new keeper’s slip.
  • A valid MOT certificate for your vehicle.
  • Your chosen payment method (this can be cash, card, or cheque).

Can I tax my car without the log book?

Yes, it is possible to tax your car without your log book. 

If you’ve lost or misplaced your log book, you can still tax your car online using the reference number on either your V11 reminder or your new keeper slip. 

You can also tax your car without a log book at the Post Office. To do this, you’ll need to bring along a valid MOT certificate, the new keeper slip, and a paper copy of your insurance certificate if you live in Northern Ireland. 

If you no longer have your log book, it’s important that you apply for a replacement as soon as possible via official DVLA channels. The process costs £25 and typically takes four to six weeks. 

How do I tax my new car?

You can tax a new car the same way you would tax any car: either online, by phone, or via your local Post Office. 

If you’ve bought a new car from a dealership, they might offer to help you tax your car, as long as you take responsibility for the cost of insurance. But it’s not a guarantee. 

And, if you’re selling your old car, you’ll want to make sure you return the right section of the log book to the DVLA. If you don’t, you could be faced with a fine.

Can I drive my car as soon as I’ve taxed it? 

Yes, you can drive your car straight away once it’s taxed. Remember that your car must already be insured before it can be taxed.

If you tax your car online or by phone, it’ll activate immediately. And, if you use the Post Office, it’ll take effect as soon as you make the payment. 

But, whichever method you choose, the DVLA system will be updated straight away, meaning you won’t have to wait for an email or letter confirmation before you can start driving. 

However, if you do want to double-check that your tax status is up to date, simply use the DVLA’s vehicle tax checker.

Then, all you need to do is make sure your car insurance is active and your vehicle’s MOT - if needed - isn’t past its expiry date. Once those checks are complete, you’re good to go. 

Can you drive a car home after buying it without tax? 

No, you’ll need to make sure your car is taxed before driving it anywhere. 

Even if you’ve just bought it and need to drive it home, it’s crucial you tax it in your name first. This is also the case for second-hand cars, as vehicle tax can’t be transferred from one owner to another. 

To drive legally, you’ll need to tax your car immediately using the V5C/2 new keeper slip in your log book. You’ll also want to make sure your car insurance policy is active. And, if your car’s over three years old, it’s crucial you have a valid MOT.

How to get car insurance and tax your vehicle

In order to tax your vehicle, you’ll have to have a valid car insurance policy in place. 

If you don’t already have a policy, the first step is to use an online tool to compare quotes from different providers. Once you’ve found the cover that meets your needs and budget requirements, you can purchase your plan. 

As soon as your car is insured, your details will be added to the MID for the DVLA to see, and you’ll be ready to begin the tax process. 

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