Pet insurance and pre-existing conditions: the short answer
Most pet insurance policies do not cover pre-existing conditions. That is the plain answer, and it is the one the Financial Ombudsman Service gives too: most policies don’t cover pre-existing conditions or a condition that appears in the first 14 days of the policy.
The longer answer is more useful, because “pre-existing” is not always as clear-cut as it sounds, a few policies do cover older conditions on strict terms, and the type of policy you hold decides what happens to a condition in year two, three and beyond. If your pet already has a vet history, those details matter more than the headline price.
What counts as a pre-existing condition?
A pre-existing condition is generally any illness or injury that a vet has diagnosed, or that you knew about, before the policy started. The PDSA’s pet insurance guide defines it as any condition that has already been diagnosed by a vet, or is known to you, before taking out the insurance.
The grey area is the condition that shows signs before the policy starts but is only diagnosed afterwards. The Financial Ombudsman says that when an insurer refuses a claim on pre-existing grounds, it looks at two main things: whether it is the same condition, or one that is related or has the same underlying cause, and what the customer knew when they took out the policy.
If the signs were there but nobody could reasonably have known something was wrong, the Ombudsman says it would not consider it fair to refuse the claim, particularly if the vet told them there wasn’t a problem. Each case turns on the vet notes, so they are worth keeping.
Can any pet insurance cover pre-existing conditions?
Some can, on conditions. One approach is a symptom-free period. ManyPets, for example, says all its lifetime plans cover conditions if they have been free from signs, symptoms, medication, treatment or advice for two years before the plan begins. For more recent conditions it sells a separate Standard Care Pre-existing plan, where the clear period is three months rather than two years and pre-existing cover is capped at £1,500 inside a £7,000 vet fee limit.
That is one insurer’s wording on pre-existing conditions, cited as an example rather than a recommendation, and it is not a market rule. Other policies define the symptom-free period differently, or do not offer it at all. If cover for pre-existing conditions matters to you, the policy wording and the insurance product information document are where to look, not the headline on the advert.
The Ombudsman says it expects insurers to have mentioned pre-existing exclusions to the customer at the point of sale, and that it would not agree it was enough to tell the customer to read the policy document.
Key takeaways
- Most pet insurance excludes pre-existing conditions and anything that appears in the first 14 days.
- A few policies cover older conditions after a set symptom-free period, on their own terms.
- The policy type decides how long a new condition stays covered.
- Switching insurer can turn a covered condition into a pre-existing one.
How the policy type changes what is covered
This is where pre-existing conditions really bite, because today’s new illness is tomorrow’s pre-existing condition. The PDSA describes four main types of pet insurance cover:
Lifetime cover
A financial limit for all new accidents and illnesses, combined, each year. When you renew, the limit resets, as long as the policy stays in force with no breaks and the premiums are paid. A long-term condition can keep being covered year after year.
Maximum benefit
A set amount of money for each illness or injury your pet may suffer, with no time limit. Once that pot is spent on a condition, the insurer pays nothing more for it.
Time-limited
A fixed amount of money for each illness or injury, and each condition is covered for a set period, usually 12 months from when it starts. After that, you pay for ongoing treatment yourself.
Accident only
Accidental injuries only, up to a fixed amount. Illness is not covered at all, and some accident policies also have a 12-month time limit.
The Financial Ombudsman says it would normally say it is fair for an insurer to start the 12 months from when the customer could have made a claim, which is usually when a vet recommends some sort of investigation or treatment for clinical signs of a condition. Because a condition rarely appears on the day a policy starts, you will usually need to renew to claim for the full 12 months.
What happens to pre-existing conditions if you switch?
Usually, pre-existing conditions stop being covered. A new insurer will normally treat anything your pet has already been seen for as a pre-existing condition. So switching to save on the premium can leave an ongoing condition with no cover at all.
The Ombudsman also notes that a policy described as lifelong or lifetime should not normally have its basic cover changed. If an underwriter withdraws cover and the customer is not offered an option to renew, they will effectively have lost their lifetime cover. In some of those cases the Ombudsman may tell the original insurer to provide ongoing cover for conditions a new policy does not cover.
None of this means you have to stay put forever. It means you check what is covered for your pet specifically, not pets in general, before you switch. If your pet has a clean bill of health, comparing pet insurance is far simpler.
Why premiums and quotes vary so much
Premiums are calculated on your pet’s age, breed, your postcode area and any claims history, according to the PDSA, and on the type of cover and the level you choose. Older pets and pedigrees can cost more to insure. That is why a quote for one dog says very little about the price for another.
The Ombudsman says it also hears complaints about significant premium increases at renewal, and looks at whether the insurer gave the customer enough information about future price rises before they bought, or made it clear that rises could be substantial, particularly as the pet gets older. Renewal pricing is a familiar story in car insurance too, as our guide to why renewals go up explains.
The excess matters as well. Pet policies often have a fixed excess per condition, and some add co-insurance, a percentage of each claim you pay yourself. Add both to the sum before you decide a cheaper premium is actually cheaper.
Frequently asked questions about pet insurance and pre-existing conditions
- Does pet insurance cover pre-existing conditions?
- Most policies do not. A few cover a condition once it has been free of signs and treatment for a set period, but the terms vary by insurer.
- Is there a waiting period on new pet insurance?
- Usually, yes. The Financial Ombudsman says most policies do not cover a condition that appears in the first 14 days. The PDSA says the exclusion period is usually 10 to 14 days but could be longer.
- Will my pet’s condition be covered if I switch insurer?
- Usually not. A new insurer will normally add it to your pet’s pre-existing conditions and exclude it.
- What if I think my claim was unfairly refused?
- Complain to the insurer first. If you are unhappy with the answer, or do not get one in time, you can take the complaint to the Financial Ombudsman Service.
Sources
- Financial Ombudsman Service, Pet insurance. Supports the exclusion of pre-existing conditions and conditions appearing in the first 14 days, the same or related condition test, the point of sale expectation, the 12 month time limit starting point, the lifetime cover position and the renewal price rise expectations.
- PDSA, Pet insurance guide. Supports the definition of a pre-existing condition, the four cover types, the 10 to 14 day exclusion period and the factors behind premiums.
- ManyPets, Lifetime pet insurance. Cited as one example of policy wording, not a recommendation. Supports the two year symptom-free period on lifetime plans and the three month clear period and £1,500 pre-existing limit on the Standard Care Pre-existing plan.
Checked 10 November 2026.
This guide is general information, not advice. Cover and prices vary by insurer, pet and owner.
