Safe Car Check
Why there is no simple answer
Buyers often assume there is a UK equivalent of the American accident report, where every police-reported collision follows the car around. There is not. What exists is a patchwork:
| Source | What it records | What it misses |
|---|---|---|
| MIAFTR (Motor Insurance Anti-Fraud and Theft Register) | Vehicles an insurer has declared a total loss, with category A, B, S or N and the date. Also stolen and recovered vehicles. | Any accident where the car was repaired rather than written off. Claims settled privately. Damage the owner never reported to avoid losing a no-claims bonus. |
| DVSA MOT history | Every test since 2005: result, mileage, failure reasons and advisories. | Damage repaired between tests. Cars under three years old have no tests at all. |
| DVLA record / V5C | Keeper, identity, and a note on a replacement V5C after a Cat S write-off. | Everything else. Cat N write-offs leave no trace on the V5C. |
| Police | Collisions attended by police, for their own purposes. | Not available to buyers. |
Put together, the record catches the serious end: the write-offs. The MOT history catches a lot of the middle. The physical check is the only thing that catches the rest.
Step 1: check the write-off register
Run a write-off check on the registration. If an insurer has declared the car a total loss it will show the category and the date:
- Cat A and Cat B should never be back on the road. If one is being sold as a car, it is a crime scene, not a bargain.
- Cat S means structural damage, repaired. Read what Cat S means before you go any further.
- Cat N means non-structural damage that cost more than the car was worth to fix. Often cosmetic, sometimes electrical or flood damage.
The date matters as much as the category. A Cat N from eight years and three keepers ago, with clean MOTs since, is a very different car from one written off six months ago by the seller.
Step 2: read the MOT history for collision clues
The free GOV.UK MOT history service is the most under-used tool in used car buying. Accidents leave fingerprints in it. Look for:
- Body and structure advisories or failures such as "body panel damaged", "bumper insecure", "chassis corroded or damaged" or "vehicle structure has excessive corrosion" shortly before a clean test. Something was hit, then fixed.
- Headlamp aim and lamp failures appearing once and never again. New headlights were fitted, usually after a front-end knock.
- Steering and suspension items that appear suddenly on a car with no previous history of them: a bent track rod, a damaged suspension arm, uneven tyre wear advisories.
- A gap in testing of 18 months or more. The car was off the road. Ask why.
- A mileage plateau where the car covered almost nothing between two tests. Same question.
Our guide to reading MOT history goes through each of these patterns in more detail, and a Safe Car Check report includes the full MOT record alongside the write-off check so you can line the dates up.
Step 3: look at the car
This is the only step that finds unrecorded repairs. It takes ten minutes in daylight, and you do not need to be a mechanic.
- Panel gaps. Crouch at each corner and sight along the car. The gaps between bonnet and wings, doors and sills, boot and rear quarters should be even and the same width on both sides. A wider gap on one side means something was pushed or badly refitted.
- Paint. Look along each panel for a texture change: orange-peel roughness, dust in the lacquer, or a slightly different shade in sunlight. Check rubber seals and plastic trim for overspray. Factory paint does not land on window rubbers.
- Bolt heads. Open the bonnet. The bolts holding the wings, bonnet hinges, headlights and slam panel are painted body colour at the factory. Chipped paint or bare metal on the heads means the panel has been off.
- Headlights. Both should have the same brand marking, the same level of yellowing and the same date code. One new, one old is a front-end repair.
- Underneath and inside. Lift the boot carpet and look at the spare wheel well for ripples or fresh seam sealer. Look under the front bumper for new, unpainted plastic or bright new fixings. Check the airbag warning light illuminates and goes out when you start the car.
- Tyres. Uneven wear across a tyre on one side only often means the alignment was knocked out and never properly corrected.
- Doors and glass. Each door should close with the same sound and effort. Glass should carry the same manufacturer logo and a matching date code; one odd piece means it was replaced.
If you are spending serious money or the car shows two or more of these signs, pay for an independent inspection. An engineer with a paint depth gauge and a ramp will find in twenty minutes what you cannot.
Step 4: ask, in writing
Before you view, message the seller: "Has the car ever been in an accident or had any bodywork or paint repairs?" Keep the reply. A dealer who answers no and is wrong has misdescribed the car under the Consumer Rights Act. A private seller who lies in writing has committed misrepresentation. Neither protection exists if you never asked.
What to do with what you find
- Recorded Cat S or N with good repair evidence: negotiate hard, insure it at a quote on the exact registration first, and get an inspection. Expect a 20 to 40 percent discount against a clean car.
- Unrecorded repair, cosmetic only: a resprayed bumper or wing is normal on a car with a few years on it. Knock something off for the honesty gap and move on.
- Unrecorded repair with structural signs (uneven gaps, rippled boot floor, welds, alignment issues): walk away. This is a car that should have been Cat S and was never inspected by anyone.
- Seller denied any accident and the evidence says otherwise: walk away regardless of how minor the repair looks. If they lied about that, the service history is next.
