How Long Do You Have To Declare Accidents For On Your Car Insurance?

In the UK, you’re usually required to declare any car accidents or incidents from the past 5 years when applying for or renewing your car insurance. This applies whether the accident was your fault or not, even if you didn’t make a claim.

Failing to disclose this information can invalidate your policy, potentially leaving you uninsured when you need it most. So it’s always better to be upfront and honest.

Susan Difford

Insurance Expert & Co-founder of Clean Green Cars

Updated 16 December 2025 2 Min Read

If you leave out past accidents:

Your policy could be cancelled
Claims might be rejected
You could struggle to get future cover or pay higher premiums

It’s not worth the risk; insurers share information through central databases, so they’ll likely find out anyway.

It can happen, especially when it comes to minor incidents. If you realise you’ve done this after taking out a policy, contact your insurer as soon as possible; they may just update your details instead of penalising you.

Yes. Insurers typically ask about all accidents, regardless of whether a claim was made.

Most use the Claims and Underwriting Exchange (CUE) database, which holds a record of car insurance claims and reported incidents.

Sometimes, even if this seems unfair. Non-fault accidents can result in a higher premium, as insurers consider overall risk.

In Summary

Failing to declare could invalidate your policy or lead to a claim being refused
Insurers check shared databases, so honesty is always the best policy.
Want to see how your history affects your premium? Compare car insurance quotes and find the right cover for your circumstances