Level term
The payout amount remains the same for the whole policy term.
📍Most popular option
Critical illness cover pays you a tax-free lump sum if you’re diagnosed with a serious illness listed in your policy.
Unlike life insurance, which typically pays out only when you pass away, this cover is designed to support you financially while you’re still alive and recovering.
You can use the money however you choose, such as:
paying off your mortgage
replacing lost income while you’re unable to work
adapting your home to support recovery
providing financial stability for your family
Choose a policy - you’ll pay a monthly or annual premium for a specified number of years ("policy term"). Monthly payments help spread the cost, while annual payments may work out cheaper overall. Insurers will ask questions about your health, family medical history, job, and lifestyle so they can assess your risk and price your policy.
Diagnosed with critical illness - If you’re diagnosed with a condition listed in your policy, you’ll make a claim and provide medical evidence, such as consultant reports or test results, so the insurer can confirm it meets their definition.
Receive your payout - once your insurance provider has assessed and approved your claim, they will pay out a lump sum payment.
🚩 Your cover will end after your claim has been made. Even if you purchased critical illness cover as a life insurance add-on, you will not get another payout on your policy when you die.
It varies by insurer, but common examples are:
Heart attacks
Strokes
Some cancers
Association of British Insurers data, 2024.
You're highly likely to be eligible for critical illness insurance if:
✓ You're a UK resident
✓ You're aged 18-60*
✓ You have no pre-existing medical conditions*
* You can often still buy critical illness cover if you are older or have existing medical conditions, but limitations and exclusions could apply.
🚩 The exact conditions and severity of illness you're covered for can change depending on your provider or level of cover.
Alzheimer's
Cancer*
Heart attacks*
Loss of limbs
Multiple sclerosis
Organ failures
Parkinson’s disease
Permanent disability
Strokes*
Traumatic head injuries
Alcohol or drug abuse
Broken bones
Chronic conditions
Hereditary illnesses
High blood pressure
Injuries as a result of hazardous sports or similar pastimes
Pre-existing medical conditions
Temporary illnesses
Critical illness cover is usually purchased as a life insurance add-on.
It is also possible to buy it as a standalone product.
The payout amount remains the same for the whole policy term.
📍Most popular option
Often tied to a mortgage, the payout decreases over time.
📍Cheapest option
Often tied to inflation, the payout increases over time.
📍Most expensive option
The amount of cover you'll need will depend on various factors, such as:
Current earnings: Evaluate your current income and think about how much of it you'd need to maintain your lifestyle if you were unable to work.
Outgoings: Look at bills and essential expenses to see how much you spend
Mortgage and debts: Take into account what you'd need to cover or pay these off
Budget: You want to be able to afford your premiums over the whole policy term
To see how much cover you need, try our free life insurance calculator

The price of your policy will depend on your personal circumstances. Relevant factors include:
The younger you are, the less you should pay, so it can be worth it to purchase insurance sooner.
Some jobs are seen as higher risk and will increase your premiums. For example, a fire fighter would likely have higher premiums than an office worker.
Certain habits that insurers consider detrimental to health, such as excessive alcohol consumption or smoking, will push your premiums up.
Having a clean bill of health with no serious health scares will reduce your premiums. A history of illness or pre-existing condition will likely make your insurance pricier.
Choosing individual or joint cover will affect the cost of your policy. Usually a joint policy will be cheaper than two separate policies, but keep in mind that joint policies only pay out once.
The level of cover you choose will have an effect on cost, with greater cover being more expensive. If you want a higher cash payout, you should expect to pay higher premiums.

The older you are when you apply, the higher the premium tends to be, as the risk of illness increases over time
Existing conditions, past illnesses, and your family’s medical history (such as cancer or heart disease) can raise prices or affect what’s covered
Smoking, alcohol use, weight, hobbies, and your occupation all help insurers assess risk, which can increase or reduce your premium
A larger tax-free lump sum or longer policy term usually means higher monthly costs
Cancer is the leading cause of critical illness insurance claims, accounting for 62% of all payouts in 2024, according to the Association of British Insurers.
With Cancer Research estimating that 1 in 2 people in the UK will develop cancer in their lifetime, having critical illness cover can give you extra peace of mind. If you receive a poor prognosis for cancer or other covered conditions you’ll have funds available to help pay for treatment, support your recovery, and protect your loved ones if they rely on your income.
Kara Gammell Personal Finance & Insurance Expert
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MoneySuperMarket has a long-standing partnership with LifeSearch, one of the UK's leading protection advice specialists.
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Yes, you can take out a joint policy or choose separate cover for each partner.
Most joint policies allow one claim only. If one person claims, the policy usually ends and the other partner’s cover stops too. Some insurers offer enhanced joint options that continue covering the second person, but these may cost more.
Separate policies (dual cover) give each partner their own payout and are often better if you both want independent protection.
Yes, many insurers include children’s critical illness cover either automatically or as an optional add-on for a small extra cost.
The level of protection varies between providers. Some policies offer a fixed payout, while others pay a percentage of your own cover, often between 25% and 50%, usually with a maximum limit.
Cover normally applies to dependent children within a certain age range, so it’s worth checking the details carefully.
Before choosing a policy, look at whether children’s cover is included as standard, whether you need to opt in, and how much would actually be paid if you needed to claim.
Yes, some insurers offer standalone critical illness cover, but many people choose to add it to a life insurance policy instead.
Standalone cover can give you more flexibility, separate payouts, and protection that isn’t affected by a life insurance claim. However, it’s often more expensive than combining policies.
Add-on cover (critical illness alongside life insurance) is usually more cost-efficient, but payouts can be linked, meaning a critical illness claim may reduce or end the life insurance cover, depending on how the policy is set up.
Choosing between the two comes down to budget, how much protection you want, and whether you prefer independent cover or a cheaper combined optoin.
It depends on how your policy is set up.
With combined cover, you’ll usually receive one payout only. If you claim for a critical illness, the policy typically ends and there won’t be a later life insurance payout.
With add-on cover, critical illness and life insurance can work as two separate protections, meaning one payout if you’re diagnosed and another if you pass away during the policy term.
No. Once you have claimed and a lump sum is paid out your cover under the policy automatically ends.
Terminal illness cover is different to critical illness cover and is usually included as a standard in life insurance policies. It means your insurer pays out if your doctor has confirmed you have a terminal condition and you’re likely to pass away within 12 months.
No. While both critical illness insurance and income protection insurance support you financially if you are unable to work, they do so in different ways.
Critical illness cover will typically provide you with a one-off lump sum payment if you are unable to work because of a health condition. Income protection insurance works differently by covering your loss of earnings for a fixed period or until you can return to work.
Different types of income protection insurance are available that can either cover a set portion of your salary, or your mortgage or loan repayments, for example.
The main difference between the critical illness cover and life insurance is how you receive your lump sum payment if you make a claim.
Critical illness pays out to the policyholder directly if they have a medical emergency that affects their lifestyle, such as a heart attack or a stroke.
Life insurance pays out the amount to loved ones after the policyholder dies.
Both can be purchased individually, or you can add critical illness onto your life insurance policy.
No, critical illness cover is designed to pay a lump sum while you’re alive if you’re diagnosed with a serious condition listed in your policy. It typically doesn’t pay out purely because of death.
Once a successful critical illness claim is made, the policy usually ends and no further payments are made later on. If you want cover that pays when you die, you would normally need a separate life insurance policy.
Some plans include terminal illness cover, which may pay out early if you’re diagnosed with a condition expected to lead to death within a specified timeframe. This is different from standard critical illness cover and depends on your policy terms.
A claim may be declined if the policy terms aren’t met. Common reasons include:
Non-disclosure – incorrect or missing information about your health, smoking status, or lifestyle when you applied.
Severity thresholds – the condition must meet the insurer’s medical definition, not just a diagnosis.
Exclusions or waiting periods – some illnesses aren’t covered, or claims made too soon after the policy starts may not qualify.
To avoid issues, keep copies of your application details, medical reports, and test results so you can support your claim if needed.
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Reviewed on 19 Mar 2026 by
Data based on the 10th Percentile price of life insurance sold through MoneySuperMarket for life insurance and critical illness cover in March 2026.
Data based on the median price of life insurance sold through MoneySuperMarket for life insurance and critical illness cover in February 2026.
The number of providers for life insurance in November 2025
Source: https://www.abi.org.uk/news/news-articles/2025/7/record-8bn-paid-out-in-vital-protection-claims-during-2024/. Data sourced August 2025.
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