Types of pet insurance: lifetime, maximum benefit, time-limited and accident-only

UK pet insurance comes in four main types: lifetime, maximum benefit, time-limited and accident-only^[5]. The names sound similar, but they behave very differently once your pet has a condition that needs treatment for more than a few months. The key questions are what the policy pays, whether the limit comes back, and for how long a single condition stays covered.

For scale: ABI members paid out £1.23 billion in pet insurance claims in 2024, with an average claim of £685^[7]. Vet fee limits on individual policies range from about £1,000 to £25,000^[8].

Lifetime cover

A lifetime policy pays vet fees for new illnesses and injuries up to a set amount each policy year^[1]. When the policy renews, the full amount becomes available again^[1]. Some lifetime policies also cap what they will pay for any one condition within the year, so check whether the limit is per year, per condition per year, or both^[1]. Which? gives the example of a £10,000 annual limit with a £2,000 per-condition limit: that could pay £2,000 for each of five unrelated conditions, but only £2,000 towards one illness^[8].

The point of lifetime cover is that a long-term or recurring condition can be claimed for again the following year, with no limit on how many years this happens^[1]. That only holds while you keep renewing, keep paying, and the terms have not changed^[1].

Maximum benefit cover

A maximum benefit policy sets a fixed sum for each illness or injury, with no time limit on using it^[2]. The sum does not reset. Once it is spent on a condition, that condition is no longer covered and further treatment is at your own cost^[2]. Which? notes this applies even after you renew^[8]. A new, unrelated condition gets its own maximum^[2]. Many policies treat the same condition appearing in another part of the body as the same condition, so it shares one maximum^[2].

Time-limited cover

A time-limited policy has two limits for each condition: a sum of money and a period of time^[3]. Cover for that condition ends when either runs out, whichever comes first^[3]. The period is typically 12 months from when the condition started or the first date of treatment^[3]. This is the “12 months then stops” rule: it limits how long each condition is covered, not how long the policy lasts^[3]. After that, the condition is not covered again under the policy, and repeat episodes, including the same problem in the other leg, eye or ear, are usually treated as the same condition^[3].

When the 12 months starts can matter. The Financial Ombudsman Service says it would expect the time limit to start when a vet recommends investigation or treatment, and that you may need to renew the policy to use the full period^[10].

Accident-only cover

Accident-only policies pay a fixed sum for each accidental injury and do not cover illness^[4]. An accident usually has to come from a single event, such as a wound or a fracture. Soft tissue injuries caused by illness or that develop over time are usually not covered^[4]. Some accident-only policies also limit treatment to 12 months per condition, and some include a contribution towards emergency treatment for illness^[4]. Which? describes it as the cheapest and most basic type^[8].

Side by side

Worked example: a skin condition over four years

These numbers are illustrative only, chosen to be round and easy to follow. They are not a quote, and they ignore the excess and any co-payment.

Say a dog develops a long-term skin condition at age three. Treatment costs £1,500 a year, every year, for four years: £6,000 in total.

• Lifetime, £4,000 per year: each year’s £1,500 is within the limit, which is restored at renewal. The policy pays all four years: £6,000.
• Maximum benefit, £3,000 per condition: the policy pays £1,500 in year one and £1,500 in year two. The £3,000 is then used up and years three and four (£3,000) are yours to pay.
• Time-limited, £3,000 per condition for 12 months: the policy pays the first 12 months of treatment, £1,500. The money limit was not reached, but the time limit was. The remaining £4,500 is yours to pay.
• Accident-only: a skin condition is an illness, so nothing is paid. You pay £6,000.

The same arithmetic works differently for a one-off problem. If the dog instead needed a single £1,500 operation and recovered fully, all three illness policies would have paid it. The gap between policy types shows up mainly with conditions that keep coming back.

Renewal and why switching later is hard

Most policies renew automatically, and many insurers give at least 21 days’ notice^[8]. Premiums are not fixed beyond each renewal. One insurer’s published policy table, for example, says premiums are likely to rise every year even without a claim, and that there is no limit to increases^[12]. Claims can also significantly affect renewal premiums^[5]. The Financial Ombudsman Service will look at complaints where a price has significantly increased^[10], and says that where changes at renewal significantly alter a lifetime policy’s original cover, it is likely to uphold a complaint^[11].

Switching is where the choice of policy type has its longest reach. Most policies do not cover conditions your pet had, or showed signs of, before the policy started, and this can extend to related conditions later on^[6]. A new policy may be cheaper, but it will not cover conditions your pet has had in the past or currently has^[6]. Which? puts it plainly: switching insurer while keeping your full cover is “no simple matter”^[9]. Most policies also exclude conditions that appear in the first 14 days^[11], and some waiting periods run to 30 days or longer^[5]. If an insurer stops offering renewal on a lifetime policy, you lose that lifetime cover, and a new insurer is unlikely to cover existing conditions^[10].

In practice, this means the type of cover you hold when a long-term condition first appears tends to decide how that condition is paid for from then on.

Cost against protection

Broader cover costs more, and higher limits mean higher premiums^[8]. That does not make the cheaper types pointless. Maximum benefit and time-limited cover pay for one-off illnesses and injuries in the same way as lifetime cover; they differ on conditions that last. Accident-only cover can suit an owner who mainly wants help with sudden injuries and is prepared to fund illness treatment themselves, or a pet that cannot get broader cover. The honest question is which risk you would struggle to pay for yourself: a single large bill, or a smaller bill that comes back every year.

Excess, co-payment and age limits

Excess is the fixed amount you pay towards a claim. How it applies varies. One insurer’s published table, for example, sets a £75 excess per condition on its time-limited policies and per condition per year on its lifetime policies^[12].

Co-payment is a percentage of the claim the insurer does not pay^[8]. It often starts at a set age and is paid on top of the excess. For example, one insurer applies a 20% co-payment once a dog turns 8 or a cat turns 10^[13]. Another applies 20% co-insurance to dogs from 8, certain larger breeds from 5, and cats from 10^[12]. Which? says co-payments for older animals can be as much as 25%^[8].

Age limits for new policies differ between insurers. Many policies have an upper age limit for starting a new policy, and a pet with lifetime cover can stay covered in old age, provided it was insured before reaching that limit^[15]. Some insurers say they have no upper age limit for new lifetime policies^[14]. Separately, some benefits such as death from illness cover are removed or unavailable once a pet passes a set age^[8].

This page explains how the policy types work. It is not advice on which policy to buy. Always check the policy wording and the Insurance Product Information Document (IPID) for the exact limits, excess and co-payment terms.