May 2026 driving law changes: DVSA rules & HMRC rates
May 2026 brings key driving law changes: DVSA driving test booking rule updates, revised HMRC company car tax rates and new road-safety proposals.

Oliver Johansson
17 May 2026

May 2026 Motoring Changes: What Every UK Driver Needs to Know Before the Month Hits
There's a particular kind of motoring dread that arrives without fanfare — not a blue flashing light in your mirror or a crunch from the front bumper, but a quiet administrative shift that quietly costs you money, catches you off guard at the test centre, or leaves your payslip looking unexpectedly different. May 2026 is shaping up to be one of those months. A cluster of regulatory and administrative changes are landing simultaneously, and if you're not across them, you could find yourself on the wrong side of the rules before you've even noticed anything has changed.
GB News has flagged a bundle of these updates, covering everything from DVSA driving test booking reforms to revised HMRC advisory rates for company cars. But the headline barely scratches the surface. Let's go deeper.
What's Actually Changing in May 2026?
The changes fall into several distinct categories, and it's worth separating them clearly rather than letting them blur into a single "motoring update" that feels abstract and distant.
DVSA Driving Test Booking Rule Updates
The Driver and Vehicle Standards Agency has been under sustained pressure for years over the chronic backlog in practical driving test slots. At its worst point post-pandemic, learners were waiting upwards of six months for a test — a crisis that spawned an entire grey market of resold test slots, with some being flogged online for hundreds of pounds.
The May 2026 updates are designed to tighten the booking system and reduce the scope for slot scalping. Specifically, the DVSA is introducing stricter verification requirements around who can book tests and on whose behalf, with tougher rules on third-party booking platforms that have historically exploited loopholes in the system. The changes sit alongside the DVSA's longer-term digital reform programme, which aims to modernise the booking infrastructure that, frankly, has felt like it was designed in the early days of the internet.
For learners, this matters enormously. The practical test is governed by the Road Traffic Act 1988, and the DVSA operates under powers granted by the Road Traffic (Driver Licensing) Regulations. Any change to access or booking processes has a direct knock-on effect on when people can legally get behind the wheel independently.
HMRC Company Car Advisory Rates
The other major change involves HMRC's Advisory Electric Rate (AER) and the broader company car tax framework. From May 2026, revised rates apply to the reimbursement of business mileage for company car drivers — including updated figures for electric vehicles, which have their own separate advisory rate structure introduced in recent years.
This isn't a trivial administrative footnote. There are roughly 900,000 company cars on UK roads, and the tax treatment of those vehicles — under the Income Tax (Earnings and Pensions) Act 2003 and associated HMRC guidance — has a tangible impact on both employers and employees. Get the reimbursement rate wrong, and you're either under-claiming (leaving money on the table) or over-claiming (creating a taxable benefit that HMRC will eventually notice).
Why This Matters More Than It Looks
Administrative changes to test booking systems and mileage rates might not have the dramatic urgency of, say, a new speed camera network or a clean air zone expansion. But their cumulative effect on ordinary drivers is significant, and the timing — arriving alongside wider road safety proposals currently moving through Parliament — makes May 2026 a genuinely consequential month.
The DVSA reforms, in particular, come at a moment when the driving test itself is also under scrutiny. There have been ongoing consultations about whether the test adequately prepares new drivers for modern road conditions — including motorway driving, which was only added as a test element in 2017. The booking system changes are therefore not happening in isolation; they're part of a broader rethink of how Britain trains and certifies its drivers.
On the HMRC side, the context is the UK's accelerating shift towards electrification. The Advisory Electric Rate has been a moving target since its introduction, and the May 2026 revision reflects updated assumptions about electricity costs and vehicle efficiency. With more employees driving EVs as company cars — partly because the Benefit in Kind (BIK) rates for electric vehicles remain significantly lower than for petrol or diesel equivalents — getting the reimbursement arithmetic right has never been more commercially relevant.
The Legal Angle: What Rules Actually Govern These Changes?
On the DVSA side, the legal framework is rooted in the Road Traffic Act 1988, which establishes the requirement to hold a valid driving licence and pass an approved test. The DVSA's authority to set test conditions, booking procedures, and eligibility criteria flows from secondary legislation — specifically the Motor Vehicles (Driving Licences) Regulations 1999, as amended. Changes to booking rules don't require primary legislation, which is why they can be implemented relatively quickly, but they do carry legal weight: attempting to circumvent them — by using unauthorised third-party services to secure test slots — could constitute a breach of the booking terms and potentially result in test cancellation without refund.
On the HMRC side, the relevant framework is the Income Tax (Earnings and Pensions) Act 2003, alongside HMRC's own advisory guidance documents. Crucially, the advisory rates are not legally binding in the way that statutory instruments are — they represent HMRC's view of a reasonable reimbursement rate, not a hard ceiling. However, deviating significantly from them without documented justification creates audit risk. Employers reimbursing at rates substantially above the advisory figures need to be able to demonstrate that the excess reflects genuine fuel or electricity costs — otherwise, the surplus becomes a taxable benefit.
For electric vehicle drivers specifically, the AER is calculated differently from petrol and diesel equivalents, using pence-per-mile figures based on average electricity consumption and a reference electricity price. As energy costs fluctuate, these figures are reviewed quarterly, with May 2026 representing one such revision point.
What Drivers Should Actually Do Right Now
Whether you're a learner, a company car driver, or simply someone who wants to stay on the right side of an increasingly complex regulatory landscape, here's what to take away from these changes:
- Learners and instructors: If you're in the queue for a driving test, book through the official DVSA website only — gov.uk/book-driving-test. Third-party sites that charge a premium for "faster" slots are not only overpriced but may fall foul of the new verification requirements. If your test slot was secured through an unofficial channel, verify its status directly with the DVSA.
- Company car drivers: Ask your employer or fleet manager to confirm which mileage reimbursement rate applies to your vehicle from May 2026. If you drive an electric company car, the AER is your reference point. Keep records of your business mileage meticulously — HMRC's own guidance makes clear that inadequate records are one of the most common triggers for benefit-in-kind disputes.
- Employers and HR teams: Update your expenses policies before May to reflect the new advisory rates. This is particularly important for mixed fleets where some employees drive EVs and others drive petrol or diesel vehicles — the rates differ, and applying the wrong one across the board creates compliance risk.
- Driving instructors: The DVSA booking changes may affect how you manage test appointments for your pupils. Review the updated guidance on the DVSA's professional portal and ensure your booking practices comply with the new verification requirements.
Looking Ahead: A Pattern Worth Watching
What's striking about the May 2026 changes is not any single element but the pattern they represent. We are in a period of sustained regulatory churn in UK motoring — driven partly by the transition to electric vehicles, partly by post-pandemic backlogs working their way through the system, and partly by a government that has signalled it wants to use motoring policy as a lever for both revenue and behaviour change.
The DVSA reforms reflect a recognition that the current test infrastructure is not fit for a modern, high-demand licensing environment. Expect further changes to the test itself — including potential updates to the theory test content and hazard perception elements — over the next 12 to 18 months.
The HMRC advisory rate revisions, meanwhile, are likely to become more frequent as the EV fleet grows and electricity pricing remains volatile. The current quarterly review cycle may not be agile enough to track real-world costs, and there are rumblings in fleet industry circles about whether a more dynamic, real-time approach to AER calculation might eventually replace the current system.
For drivers, the lesson is straightforward: staying informed is no longer optional. The days when you could learn the Highway Code, pass your test, and largely ignore motoring regulation for the next decade are over. The rules are changing faster than at any point in living memory, and the financial and legal consequences of being caught out are real.
May 2026 is, in many ways, a microcosm of that new reality — a month of quiet but consequential change, arriving whether you're ready for it or not.

Written by
Oliver Johansson
Traffic Management Consultant
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