When Should You Update Your Vehicle Registration Certificate
Ben Davies

Ben Davies

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When Should You Update Your Vehicle Registration Certificate

First published on: August 13, 2025

Understanding when should you update your vehicle registration certificate is essential for every driver. Whether you’ve moved address, sold your car, or made changes to your vehicle, knowing the right time to update your details helps you avoid fines and legal trouble.

If you delay, you risk missing important DVLA notifications and being held responsible for issues that are no longer your responsibility.

This guide will walk you through when and how to update your vehicle registration certificate and help you avoid serious problems.

Let’s get started!

What is a Vehicle Registration Certificate?

The Vehicle Registration Certificate, also known as the V5C or logbook, is issued by the DVLA. It confirms who is responsible for a vehicle, referred to as the registered keeper. However, it does not prove legal ownership.

The V5C contains important information about the vehicle. This includes the make and model, engine size, fuel type, colour, chassis number (VIN), tax class, and the keeper’s name and address.

If any of these details change, you must inform the DVLA. For example, if you move house, repaint the car, or sell it to someone else, the logbook must be updated.

Keeping the V5C accurate helps avoid delays with tax, insurance, or legal matters. Therefore, always make sure the information it holds is current and correct.

When Should You Update Your Vehicle Registration Certificate?

Situation 1: Changing Name or Address

If you move house or change your name legally, the V5C must be updated. For an address change, the process is simple. You can update online or by post. If you are changing your name, you will need to complete the paper form and send it by post. Keeping your details current ensures you receive DVLA reminders for road tax, MOT, and other legal notices. 

More importantly, it helps avoid fines or complications. Outdated information on your V5C can result in missed penalties or important notices being sent to the wrong place. Therefore, it’s essential to make these updates as soon as possible after any change.

Situation 2: Modifying Your Vehicle

Any significant changes to your vehicle must be recorded on your V5C. Depending on the modification, you may need to send proof such as receipts or photographs. In some cases, the DVLA may ask for an inspection. Failing to report modifications could lead to legal or insurance issues. Therefore, always inform the DVLA once any changes are made. It ensures your vehicle is properly registered and avoids problems if you’re stopped by police or plan to sell.

This includes:

  • Changing the colour, fuel type, or engine size
  • Altering the chassis number, body type, or seating capacity
  • Switching from petrol or diesel to electric

Situation 3: Buying and Selling a Vehicle

Whenever a vehicle changes hands, the V5C must be updated. If you’re selling, you are legally required to notify the DVLA straight away. The fastest way is through the online V5C service, which updates ownership immediately.

If you’re selling to a dealer or motor trader, complete the yellow section of the V5C and send it to the DVLA. 

For buyers, make sure you receive the new keeper’s slip and expect a new V5C in the post within a few weeks. Keeping the logbook accurate protects both parties from future disputes, legal risks, and administrative delays.

When selling a vehicle, ensuring all documents are correct helps the process run smoothly, even if you’re using platforms that buy any car across the UK.

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Situation 4: Scrapping or Exporting the Vehicle

scrapping car - when should you update your vehicle registration certificate

When scrapping your car for cash, you must inform the DVLA that it’s been taken off the road permanently. You can do this online or by completing the relevant section of the V5C. Failing to notify them means you could remain legally responsible for a car you no longer own. 

If you’re permanently exporting a vehicle, the DVLA must also be informed. For permanent exports, complete the export section of the V5C and send it to the DVLA. You may also need to apply for a vehicle export certificate. Keeping your logbook up to date ensures you aren’t liable for road tax, insurance, or fines once the vehicle leaves your possession. 

Situation 5: Writing Off the Vehicle

If your vehicle is written off by your insurance company due to an accident or significant damage, you must inform the DVLA. In most cases, the insurer will take ownership of the vehicle. However, it is still your legal responsibility to notify the DVLA of the change.

To do this, complete the relevant section of your V5C and send it to the DVLA. You should also include written confirmation from your insurer that the vehicle has been declared a total loss. This process ensures that you are officially removed as the registered keeper.

How to Update Your V5C Certificate?

Updating your vehicle registration details is an easy process. There are two ways to update your V5C, depending on the type of change you need to report.

Option 1: Online

This is the fastest and easiest way to update your details online on the UK government website. This service is free to use and allows you to change your address or registered keeper information. In most cases, the updated V5C typically arrives within five working days.

Option 2: By Post

This is the conventional way of updating your V5C. If you are changing your name or updating technical vehicle details, you will need to complete the relevant sections of your current V5C and send it by post. The completed form should be addressed to DVLA, Swansea, SA99 1BA. 

However, in some cases, such as changes to the chassis number or body type, the DVLA may request additional documentation. This could include receipts, insurance confirmation, or photographs, and in certain cases, an inspection may also be required.

Why Is Updating the Vehicle Registration Certificate So Important?

Keeping your vehicle registration certificate updated is not optional, but it is your legal responsibility. You have to inform the DVLA about your vehicle’s current status. If you show non-seriousness, it can lead you to serious issues, including: 

  • Fines of up to £1,000 for incorrect or outdated information
  • Insurance complications, such as incorrect keeper details, can affect your cover
  • Missed DVLA communications, including MOT and tax reminders
  • Increased risk of fraud, particularly in cases of vehicle theft or cloning

Frequently Asked Questions

Do you need to update private number plate documents?

Yes, you must update your V5C when adding or removing a private number plate. The DVLA will then send you a new logbook with the correct registration. Without this, your records are out of date. That can cause problems with insurance, MOTs, and when selling your car.

What happens if I forget to update my V5C after moving?

If you move and don’t update your address, you won’t get important DVLA letters. This includes tax reminders, MOT notices, or even penalty fines. You are still legally responsible, even if the post goes elsewhere. That’s why it’s vital to update your V5C right after moving.

How long does it take to receive an updated V5C?

Online updates usually take five working days. Postal updates can take up to four weeks, sometimes longer. If documents are missing, your application could be delayed. So, whenever possible, use the online service to save time.

Can I sell my car without updating my V5C?

No, you must inform the DVLA when you sell your vehicle. Until you do, you remain legally responsible for tax, MOT, and any fines. Not updating the V5C can cause problems later. Always complete the correct paperwork before or immediately after the sale.

Is it illegal to have the wrong address on V5C?

Yes, keeping incorrect address details on your V5C is against the law. It can lead to missed fines, tax issues, or legal trouble. The DVLA must be able to contact you. So, update your address on the V5C as soon as it changes to stay compliant.

Final Verdict: When Should You Update Your Vehicle Registration Certificate (V5C)

Your V5C is more than just a logbook. It keeps your vehicle legal and your details correct. Whether you’re moving, modifying your car, or selling it, updating your V5C is a simple but important step.

Now is the perfect time to check your details and make any updates. It’s quick to do and helps you avoid fines or delays down the line.

For more straightforward tips on buying, selling, or owning a car, take a look at our latest guides and blogs.

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