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MOT & Roadworthiness
MOT Exemption: The 40-Year Rolling Rule Explained
Vehicles more than 40 years old can be declared MOT-exempt by the registered keeper, provided they have not been substantially changed in the last 30 years. Here is the full picture: how the rolling rule works, what counts as substantially changed, and what exemption does and does not free you from.
9 min read·Updated May 2026
In one line
Vehicles over 40 years old can be declared MOT-exempt on the V112 form when taxing the vehicle, but only if they have not been substantially changed. The keeper remains legally responsible for roadworthiness at all times.
How the rolling 40-year rule works
The current MOT exemption rules came into force on 20 May 2018 and apply to cars, motorcycles, light goods vehicles and some other vehicle classes. The rule is rolling, which means it is tied to the date of first registration on the V5C, not a fixed cut-off year:
A vehicle becomes eligible on the 40th anniversary of its first registration.
In 2026, that means cars first registered up to and including 1986 are eligible.
Each calendar year, another model year becomes eligible automatically.
Exemption is not automatic on the basis of age alone. The registered keeper has to make a positive declaration each time they tax the vehicle, by completing the V112 form. Without that declaration, the vehicle remains subject to annual MOT.
The V112 declaration
The V112 (formally called the "Declaration of exemption from MOT") is a single-page form that the keeper signs when taxing the vehicle. The form asks the keeper to confirm three things:
The vehicle was first registered or manufactured more than 40 years before the start of the tax period being applied for.
The vehicle has not been substantially changed in the previous 30 years (the precise meaning of "substantially changed" is set out by DVLA guidance, see below).
The keeper accepts continuing legal responsibility for roadworthiness.
The V112 is filed at the time of taxing the vehicle. It can be done online for most vehicles, or at a Post Office for the small number of edge cases that still require in-person handling. Once accepted, the exemption lasts until the next tax renewal, at which point the keeper has to declare again.
What counts as "substantially changed"?
DVLA, with input from the Federation of British Historic Vehicle Clubs (FBHVC), publishes guidance on what substantial change actually means. The principle is that the vehicle should remain materially the same as when it left the factory. Changes that count as substantial include:
Chassis replacement (other than an identical genuine spare)
Body structure replacement with a different design
Axle replacement of a different design (suspension, steering, braking)
Engine type change (e.g. petrol to electric, four-cylinder to V8)
Engine capacity change beyond a defined margin
Sympathetic restoration with period-correct parts (e.g. a replacement engine of the same type and capacity) does not count as substantial change. Routine service, repair and even authentic historical modifications are also fine.
Exemption is not a free pass
Declaring a vehicle MOT-exempt does not remove the legal obligation to keep it roadworthy. Under Section 47 of the Road Traffic Act 1988, no vehicle may be used on a public road unless it meets the minimum construction and use standards. Brakes, lights, tyres, steering, suspension and structural integrity all have to be in safe working order, exemption or no exemption.
In practice this means a sensible keeper either continues to take the vehicle for a voluntary MOT, or pays a competent classic-car mechanic to perform an equivalent annual safety inspection.
Insurance still requires roadworthiness
Insurers cover the vehicle on the assumption that it is roadworthy. If a claim arises from a fault that would have been caught by an MOT, insurers can refuse to pay out and recover damages from the keeper. Classic-car specialist insurers (Footman James, Adrian Flux, Lancaster, Hagerty) often ask for evidence of an annual inspection regardless of exemption.
Voluntary MOT for historic vehicles
Even when exempt, an MOT-station can still test a historic vehicle if the keeper requests it. The certificate is issued in the normal way and a voluntary MOT is the simplest way to demonstrate roadworthiness for insurance and resale purposes. Many historic-vehicle clubs strongly recommend it.
A voluntary MOT also creates a public record of the vehicle's condition that future owners can rely on. See the MOT history for any UK registration via our MOT history check.
The exemption process step by step
Confirm eligibility. Vehicle is more than 40 years from first registration, has not been substantially changed in the last 30 years, and is in one of the eligible vehicle classes.
Inspect the vehicle. Either yourself, or via a classic-car specialist, or via a voluntary MOT. Document the condition.
Complete the V112 form. Online at the time of taxing, or on paper at a Post Office.
Tax the vehicle. Historic-vehicle tax class also makes the vehicle free of VED, so the cost of taxing is zero.
Keep records. Hold onto inspection receipts, repair invoices and any voluntary MOT certificates as evidence of roadworthiness in case of an insurance dispute.
Repeat each year. The V112 declaration has to be made at every tax renewal.
What if a vehicle has been substantially changed?
If you have rebuilt a classic with a modern engine, fitted an aftermarket chassis, or made any of the modifications listed in the DVLA guidance, the vehicle is not eligible for MOT exemption. It must continue to be MOT-tested annually like any other vehicle.
Some heavily modified vehicles may also need to be re-registered under the Q-prefix system or assessed through DVLA's Built-Up Vehicle scheme, which triggers an Individual Vehicle Approval test. If you are buying a heavily modified classic, run the registration through our free car check to see the current DVLA status and tax class before committing.
Common questions
Does MOT exemption mean no insurance is needed?
No. Insurance is required for any vehicle used on a public road, regardless of MOT status. The only exemption is for vehicles declared SORN and kept off public roads.
Can I sell an MOT-exempt car without an MOT certificate?
Yes. There is no legal requirement to have an MOT in place for sale. However, a current voluntary MOT reassures buyers, supports the asking price and protects you from disputes about condition after sale.
How do I check whether a car qualifies?
Run the registration through our MOT history check to see the first-registration date and the current MOT exemption flag. The free check confirms whether the vehicle is in the eligible age bracket.
Does exemption transfer to a new owner?
No. The V112 declaration is made by the registered keeper at each tax renewal. A new keeper has to make their own declaration when they next tax the vehicle.
Check exemption eligibility
Run a free MOT history check on the registration to see the first-registration date and current MOT status, both of which determine exemption eligibility.
The 40-year rolling rule is a useful exemption for genuine historic-vehicle keepers, but it is a paperwork exemption, not a safety one. Vehicles must still be roadworthy, must not have been substantially changed, and must be insured. The sensible historic- vehicle keeper continues to MOT or inspect their car annually regardless.
