Skip to main content
GB
MOT
Checkup

Updated June 2026

What is a Cat N car?

A Cat N car (Category N) is a vehicle an insurer declared a write-off because of non-structural damage — the “N” stands for Non-structural. The chassis and safety cage were not damaged; the problem was things like panels, electrics, water ingress or airbags that were uneconomical for the insurer to repair. A Cat N car can return to the road after repair and, unlike Cat S, does not need DVLA re-registration.

In one line

Cat N = repaired non-structural write-off. Often a reasonable buy at the right price — but “non-structural” can still mean airbags, flooding or electrics, so find out what was actually damaged before you buy.

Checking a specific car? Run the free MOT & mileage history first:

UK

“Non-structural” doesn't mean minor

This is the single most misunderstood thing about Cat N. The category only tells you the safety structure — chassis, crumple zones, safety cage — was intact. It says nothing about how serious or expensive the actual damage was. A Cat N write-off can involve:

So “Cat N” is reassuring about the structure, but it's not a clean bill of health. The key question is always: what was the damage, and was it repaired properly?

Is a Cat N car worth buying?

It can be a genuinely good buy — a well-repaired Cat N with only cosmetic damage, at a 15–30% discount, can be a smart purchase if you plan to keep it. The risks are higher insurance, harder finance, a permanent resale hit, and uncertainty over repair quality. For the full decision framework, see our honest guide: is it worth buying a Cat S or Cat N car?

How to check if a car is Cat N

The official Cat N marker is held in the insurance industry's MIAFTR register, not in free DVLA or MOT data, so a paid provenance (HPI-style) check is the only way to confirm the category. For free, run the MOT history and mileage check for the supporting signals, and see our Cat S / Cat N check page.

The honest caveat: a “clear” result means no write-off has been recorded against the reg — it does not guarantee the car was never damaged. A privately repaired car may carry no marker at all.

Frequently asked questions

What does Cat N mean on a car?
Cat N (Category N) means a car was declared an insurance write-off because of non-structural damage — the 'N' stands for Non-structural. The chassis and safety cage were not damaged; the issue was things like panels, bumpers, lights, electrics, water ingress or airbags that the insurer judged uneconomical to repair. A Cat N car can return to the road after repair and, unlike Cat S, does not need to be re-registered with the DVLA.
Is 'non-structural' the same as minor damage?
No — this is the most misunderstood point about Cat N. 'Non-structural' only means the safety structure wasn't hit. The damage can still be significant and safety-relevant: deployed airbags (thousands of pounds to replace properly), flood and water damage (which corrodes wiring and ECUs for years), brakes, steering electronics or suspension components. Always find out what the original damage actually was.
Is a Cat N car safe to drive?
It can be perfectly safe if the non-structural damage was repaired properly and documented. Because the chassis and safety cage were never compromised, a Cat N generally starts from a lower-risk position than a Cat S. But safety still depends on what was damaged and how well it was fixed — an independent inspection settles it.
Can you insure and finance a Cat N car?
Yes in most cases. You must declare the category, and premiums may be a little higher, though Cat N is usually less of an obstacle than Cat S. Finance is harder than for a clean car — some lenders decline write-off categories — so check availability before committing.
How much does Cat N reduce a car's value?
As an industry rule of thumb, a Cat N car often sells around 15–30% below a clean equivalent — usually a smaller hit than Cat S, but still significant and permanent. The marker shows on every future history check, so the discount follows the car for life.
Can you remove a Cat N marker?
No. The Cat N marker is permanent on the vehicle's history record. It cannot be removed, cleared or made to expire, and it will appear on every future provenance check.
Cat N vs Cat S — which is worse?
Cat S is generally the more serious category because it involved structural damage to the chassis or safety cage. Cat N is non-structural, so it's usually considered the lower-risk and more 'buyable' of the two — provided you confirm what the damage was and that it was repaired well.

ANPR cameras read the DVSA MOT database automatically — nobody has to pull you over first.

Check this reg before you drive it again

Two minutes now, or a fine of up to £1,000 and an insurance policy your insurer can refuse to honour.

  • The real MOT expiry date straight from the DVSA record
  • Every advisory logged against it — the faults due to fail next
  • Open safety recalls the manufacturer will fix for free
UK

Free · Official DVLA & DVSA data · No sign-up