If you’ve been looking at used cars online, you’ve probably seen the term ‘cat n car’ pop up more than once. And if you’re not sure what it means, you’re not alone. A lot of people see it and assume it’s something serious. Others think it’s a bargain sign. The truth sits somewhere in the middle.
This guide explains what a cat n car actually is, how it gets that label, and what it means if you’re thinking of buying one. We will keep it simple and straight to the point, based on how the system works here in the UK and what we see day to day in the trade.
What does ‘cat n car’ mean?
A ‘cat n car’ is a vehicle that has been written off by an insurance company but hasn’t had structural damage. The ‘N’ stands for non-structural.
In basic terms, the car was in an accident or incident, the insurer decided it wasn’t worth repairing, but the frame and main structure were still okay.
Damage might include things like:
- Dents to panels
- Broken bumpers
- Electrical faults
- Interior damage
- Cosmetic issues
So it’s not the same as a badly smashed car. The structure, meaning the chassis and main frame, hasn’t been twisted or compromised.
The car gets a category label when the insurer decides the cost of repair is higher than the value of the car. That’s what makes it a write-off, not always how bad the damage looks.
Why do cars get written off?
This part surprises a lot of people. A car can be written off even when it looks repairable. It often comes down to money.
Insurance companies look at:
- Cost of parts
- Labour time
- Car’s current value
- Storage and admin costs
If fixing the car costs more than it’s worth, they write it off. Even small damage can tip the balance on older cars.
That’s how many cat n cars end up back on the road later. Someone buys it, fixes it properly, and puts it back into use.
How is Cat N different from other write-off categories?
In the UK, insurance write-offs fall into different categories. Cat N is one of the less severe ones. Years ago you might have seen Category C and D. Those are now known as Cat S and Cat N.
Here’s the simple breakdown:
- Cat S means structural damage
- Cat N means non-structural damage
Structural damage affects the frame, chassis, or main safety parts. That’s more serious and needs proper repair checks.
Non-structural damage affects parts bolted onto the car or systems like electrics. It still needs fixing, but the core structure wasn’t hit. So a cat n car sits at the lower end of the write-off scale.
Can a Cat N car go back on the road?
Yes. A cat n car can be repaired and driven again there’s no rule stopping that.
However the responsibility sits with the owner. The car doesn’t get a special safety test just because it was written off. It still just needs a normal MOT. That’s why it’s important to know who repaired it and how well the work was done.
From experience, some repairs are done to a high standard. Others, not so much. That’s where checks matter.
Is it safe to buy a Cat N car?
This is the big question people ask. The honest answer is, it depends on the repair. Not the label.
Because the damage wasn’t structural, a well repaired cat n car can be just as safe as any other used car but you need to do your homework first.
Things to look at:
- Ask for photos of the damage before repair
- Check service history
- Get an inspection if unsure
- Look for signs of poor paintwork or panel gaps
- Make sure electrics all work
And if something feels off, it probably is. At FRM Automotive, we see cars come through that have had past insurance categories. Some are sorted properly. Others clearly had quick fixes. It’s easy to spot once you know what to look for.
Why are Cat N cars cheaper?
The main reason is the label itself. Even after being repaired, a cat n car will usually be worth less than the same model without the history. Buyers see the category and expect a discount.
That means you can sometimes get a newer or higher spec car for less money but that lower price sticks when you sell it too.
So yes, you save money buying one. But resale value stays lower long term.
Insurance on a Cat N car
You can still insure a cat n car. Most insurers will cover it.
But there are a couple of things to know:
- You must declare the category status
- Some insurers might charge slightly more
- Pay out value could be lower if you make a claim
It’s not a huge issue, just something to be aware of.
Should you avoid Cat N cars?
Not always. A lot of drivers hear “write-off” and think the worst but a cat n car isn’t automatically a bad buy. It just means you need to be a bit more careful.
Sometimes the damage was minor. Maybe a car got stolen and recovered with electrical issues. Maybe it had cosmetic damage that pushed repair costs up.
Other times, the repair work wasn’t done properly. That’s where problems start so the label alone doesn’t tell the whole story.
When a Cat N car makes sense
There are a few situations where it can be a good option. If you’re planning to keep the car for years and not worry about resale, it can save money upfront.
If you know someone who works in the trade and can check the car over, that helps a lot and if the repair history is clear and honest, that’s a good sign too.
We’ve seen people pick up solid cars for less just because they were once written off and they run fine for years.
When to be cautious
There are also times to walk away. If the seller avoids questions, doesn’t have photos, or can’t explain the damage, that’s not a great sign.
If the price seems too cheap even for a cat n car, something might be wrong. If the electrics act up, warning lights stay on, or panels don’t line up right, it’s best not to take the risk.
Getting a Cat N car checked
This is where having a garage you trust helps. At FRM Automotive, we often inspect used cars for customers before they buy. Especially ones with a category history. We look over the bodywork, electrics, and general condition so there are no surprises later.
This process doesn’t take long, and it gives people peace of mind because at the end of the day, it’s not the category that matters most. It’s the quality of the repair and how the car’s been looked after since. You can contact our car garage today by calling 01733 333838 or by completing our online contact form.
Final thoughts
A ‘cat n car’ isn’t as scary as it sounds. It just means the car had damage that wasn’t structural and the insurer chose not to repair it.
Some are great value. Some are not worth the risk. It really comes down to the individual car. If you’re thinking of buying one, take your time. Ask questions and get it checked if you can.
And remember, the label tells you part of the story. The rest comes from the condition, the repair work, and the honesty of the seller.


