DVLA Refund Warning as New Pay-Per-Mile Car Tax System Looms

The government's new pay-per-mile car tax scheme is heading for launch in April 2028. However, experts have raised concerns about whether the DVLA's computer systems can cope.

How the New System Will Work

Under the eVED scheme announced by Chancellor Rachel Reeves in last year's Budget, electric vehicle drivers will pay 3p per mile while plug-in hybrid owners will pay 1.5p per mile. The government has framed the policy as a fair way to replace declining fuel duty revenue as more motorists switch to electric vehicles. However, the way the system handles overpayments and refunds has sparked warnings from motoring industry figures who question whether the DVLA infrastructure is ready.

The eVED scheme introduces a fundamental change to how car tax is calculated for electric and hybrid vehicles. Instead of a flat annual fee, drivers will pay based on the miles they actually cover on UK roads.

The DVLA has explained the process clearly. Alongside paying their vehicle excise duty each year, motorists under eVED will estimate their mileage for the year ahead, pay an upfront charge based on their estimate or spread payment across the year, and then submit their actual mileage at the end of the year to trigger a reconciliation.

Mileage will be checked annually, typically during the MOT as is already the case. For newer cars that don't yet require an MOT, checks will happen around the first and second registration anniversaries.

If you overestimate your annual mileage, you may be entitled to a refund for the miles you didn't drive. However, this is where the concerns begin.

The Refund Problem

Ben Nelmes, CEO of New AutoMotive, welcomed the government's decision to drop mileage checks for new vehicles but raised significant concerns about the wider package of measures. He described the reforms as untested and warned they could become a burden for future ministers.

Nelmes was particularly critical of the DVLA's ability to process refunds efficiently. He noted that it is staggering that the DVLA's legacy computers are unable even to process a simple automatic refund when someone sells or scraps their car.

This existing limitation raises obvious questions about how the system will handle the far more complex refund calculations required under eVED. Every driver who overestimates their annual mileage could potentially be owed money, creating an administrative challenge on a scale the DVLA has never faced before.

Nelmes suggested this should be a significant warning sign for the incoming government about the deliverability of the policy as a whole.

What the DVLA Has Said

The DVLA has acknowledged the refund challenge and outlined its initial approach. The government's consultation response confirms that, at launch, the scheme will prioritise carrying credits forward rather than introducing automatic refunds for every possible circumstance.

In practical terms, this means most drivers who overestimate their mileage won't receive a cash refund. Instead, the overpayment will be applied as credit against next year's tax bill.

Refunds will still be available in specific situations, including where there has been an unexpected change in financial circumstances. The DVLA has confirmed that further details on refunds relating to changes of keeper and other vehicle lifecycle events will be announced later this year.

For drivers, this creates uncertainty. If you sell your car partway through the tax year, will you get your money back? If your car is written off, what happens to the mileage you've prepaid? These questions remain unanswered.

Why This Matters for EV Drivers

The introduction of eVED represents one of the biggest changes to UK vehicle taxation in decades. For years, electric vehicle owners enjoyed exemption from vehicle excise duty as an incentive to switch away from petrol and diesel.

From April 2025, zero-emission vehicles began paying VED for the first time. From April 2028, they'll also face the new pay-per-mile charges under eVED.

For a driver covering 10,000 miles per year in an EV, the annual eVED charge would be £300 on top of existing VED. Plug-in hybrid drivers covering the same mileage would pay £150 in eVED charges.

Higher-mileage drivers will face proportionally larger bills. Someone doing 20,000 miles per year in an EV would pay £600 annually just in mileage charges.

The Estimate Issue

One of the more complex aspects of eVED is the requirement to estimate annual mileage in advance. Get it right, and the reconciliation process is straightforward. Get it wrong, and you either face a larger bill at the end of the year or have money tied up in the system.

Drivers who underestimate their mileage will need to pay the difference during the annual reconciliation. Depending on your circumstances, this could result in an unexpected lump sum bill.

Drivers who overestimate will have money sitting with the DVLA that, based on current guidance, will be credited forward rather than refunded automatically. For drivers on tight budgets, this could create real cash flow issues.

Preparing for the Change

Although eVED doesn't launch until April 2028, drivers with EVs or plug-in hybrids should start thinking about how the changes will affect them.

Understanding your actual annual mileage is the first step. If you don't already track your miles carefully, now is a good time to start. This will help you make more accurate estimates when the new system launches.

You should also consider how eVED interacts with your existing tax and insurance arrangements. Some drivers may find that the total cost of running an EV changes significantly under the new system.

For those considering buying an EV or plug-in hybrid, the total cost of ownership calculations will need updating to reflect the new charges. What looked like a bargain based on current tax rules may work out differently once eVED kicks in.

The Broader Concerns

The refund issue is just one part of a wider debate about whether the DVLA infrastructure can handle modern demands. Industry figures have been raising concerns about the agency's digital capabilities for years.

The eVED scheme requires accurate mileage reporting, reliable payment processing, timely reconciliation, and efficient refund handling. Each of these functions relies on computer systems that critics say are showing their age.

Government reviews have already identified areas where DVLA performance needs improvement. The challenge now is delivering the modernisation required to make new schemes like eVED work smoothly from launch day.

Pay-Per-Mile and Your Number Plate

Whether you drive an EV, plug-in hybrid, or a traditional petrol or diesel car, your vehicle needs a legal number plate that meets DVLA standards. The introduction of eVED doesn't change registration requirements or the rules around personalised plates.

If you're considering a private registration for your electric vehicle, the process is exactly the same as for any other car. Your plate must be manufactured by a DVLA-registered supplier and meet all current British Standards for readability and construction.

Find Your Perfect Number Plate

At National Numbers, we offer access to over 73 million private number plate combinations. With over 40 years of experience in the industry, our team can help you find the perfect registration for your vehicle, whether it runs on petrol, diesel, or electricity.

To search for your ideal number plate, visit our website or call our friendly experts on 01642 363738 for personalised advice and guidance.