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Pet Insurance · 2 March 2026 · 1 min read

Co-Payment on Pet Insurance UK Explained

Co-payments are a feature of some pet insurance policies that require you to pay a percentage of each vet bill, on top of any excess. They are particularly common on policies for older pets, but can appear in other contexts too. Understanding how they work before you claim can prevent an unwelcome surprise.

Key takeaways

What Is a Co-Payment on Pet Insurance?

A co-payment (sometimes called a co-insurance clause) means that after your excess has been deducted, you and the insurer share the remaining cost of each claim in a fixed ratio. For example, a 20% co-payment would mean you pay 20% of the eligible claim and the insurer covers 80%. On a Β£2,000 claim with a Β£100 excess, you would pay Β£100 excess plus Β£380 co-payment, leaving the insurer to pay Β£1,520.

When Do Insurers Apply Co-Payments?

Co-payments are most frequently applied to policies for older pets, typically from around seven to eight years of age onwards. Some insurers introduce them as dogs or cats enter their senior years, whilst others apply them to specific high-cost conditions or treatments. It is essential to check the policy wording carefully, as co-payment clauses are not always prominently highlighted.

How Co-Payments Affect Your Costs

A co-payment reduces the premium you pay upfront but increases the amount you pay when you claim. For routine or smaller claims this may be manageable, but for large vet bills β€” such as orthopaedic surgery, cancer treatment, or long-term disease management β€” a 20–35% co-payment can amount to hundreds or even thousands of pounds. Budget accordingly when reviewing policy options.

How to Minimise Co-Payment Exposure

Starting a lifetime policy when your pet is young, before co-payment clauses are introduced, is the most effective way to avoid them. Maintaining that policy throughout your pet's life means the original terms continue to apply. If you are shopping for a new policy for an older pet, compare the co-payment percentage carefully across providers, as terms vary.

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Common questions

It means that after your excess is deducted, you pay 20% of the remaining eligible claim and the insurer pays 80%. On expensive treatments, this can add up to a significant sum.

No. Co-payments are not universal, but they are common on policies for older animals or on certain types of lower-cost policy. Always check the policy documents before purchasing.

Yes. Some insurers introduce co-payment clauses when your pet reaches a certain age, even if the original policy did not include one. Review your renewal documents carefully each year.

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