Level term
The payout amount remains the same for the whole policy term.
📍Most popular option
Quotes from £12.56
Critical illness cover is an insurance product. if you're diagnosed with an illness covered by your policy, you receive a tax-free lump sum payment.
This money can be used however you see fit. For example, you could:
pay off your mortgage
compensate for lost income
make home modifications
provide financial support for your dependents
By providing financial security, critical illness cover can alleviate some of the stress of being diagnosed with a serious illness, and give you peace of mind that you’re protected.
Choose policy - you’ll pay a monthly or annual premium for a specified number of years ("policy term")
Diagnosed with critical illness - you'll have to provide evidence to your insurer, such as medical test results
Receive 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
This tool helps you estimate cover needs.
You'll need to input:
✔ Bequests
✔ Debts
✔ Other policies
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
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.

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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We’ve partnered with LifeSearch to give people more guidance when buying life insurance. If you’d like some help you can talk to LifeSearch free of charge.
MoneySuperMarket has a long-standing partnership with LifeSearch, one of the UK's leading protection advice specialists.
LifeSearch has been protecting people for over 25 years. Since 1998, they’ve helped over a million individuals, families, and businesses secure 1.7 million policies.
When you compare life insurance through MoneySuperMarket, you’ll see options from insurers LifeSearch work with — helping you find cover that fits your circumstances.
Your policy will always be taken out with the insurer you choose, but LifeSearch can support you at every stage, from applying for cover to making a claim. You can also manage claims directly through their website.
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MoneySuperMarket can help you find a good deal on a variety of life insurance products.
The cost of critical illness insurance varies, depending on factors such as your health and lifestyle and the level of cover you require.
On average, MoneySuperMarket customers pay £32
Yes, you and your partner can take out a joint critical illness cover policy.
With most joint policies you will only be allowed a single claim. So, for example, if you were to be diagnosed with a critical illness and then claimed on the plan the policy would end and your partner would no longer have the cover. In some cases, however, you can buy joint policies that continue to cover the second person – even after a partner has claimed.
Some insurers offer automatic cover for your children under their critical illness policy, while others may add family cover at a lower cost – either way, you should check beforehand if you think children’s critical illness cover is something you might need.
What you should keep an eye out for is the amount of cover your child will get – it could be a range, a set amount or even a specific percentage of the amount of cover you have for yourself.
Some providers may offer standalone critical illness life cover. However, most people take it out alongside life insurance because it’s generally cheaper to buy the two types of cover together.
It depends on how your policy is set up, so read your own documents carefully.
If your critical illness cover and life insurance are a combined policy, you’ll usually only get one payout. If you claim for a critical illness your life insurance policy will end, and you won't get a second payout if you die within the term.
However, if you critical illness cover is an add-on to your life insurance policy, then you are essentially holding two distinct protection policies. That means it could pay out twice - once when you’re diagnosed with a critical illness and another if you pass away within 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 critical illness cover and terminal illness cover is that critical illness cover is what they will pay out for.
Critical illness cover pays out for serious conditions that don't necessarily lead to death but can impact your way of life, such as strokes or heart attacks
Terminal illness cover pays out for conditions that are more likely to be fatal within a year and can't be treated, such as certain stage cancers and tumours
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 insurance policies typically do not pay out on death. The insurance company will generally pay a lump sum to the policyholder if they are diagnosed with an accepted serious illness while they are still alive.
Once this payment has been made, the policy usually ends. No further payments will be made, even if the policyholder later passes away. If you specifically want insurance that will pay out in the event of death, you should seek alternative forms of life insurance.
If you can prove you have been diagnosed with an illness covered by your policy, your insurance company should pay out, as promised. However, if an insurer finds that you have been dishonest — for example, if you’re a smoker but failed to inform your insurer of this — then they may refuse to pay.
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Reviewed on 19 Dec 2025 by
Data based on the 10th Percentile price of life insurance sold through MoneySuperMarket for life insurance and critical illness cover in November 2025.
The number of providers for life insurance in October 2024
YouGov Survey 1st July 2024 to 30th June 2025. Net Recommend score derived from “Which of the following online service websites would you recommend to a friend or colleague, or tell them to avoid?” Base: Current Customers of (MoneySuperMarket n=18,382, Compare the Market n=16,802, Go.Compare n=10,162, Confused.com n=8,229, Uswitch n=528).
Shopping Gift Card value varies based on the first monthly premium of the policy and will be confirmed on the results page
Data based on the median price of life insurance sold through MoneySuperMarket for life insurance and critical illness cover in December 2025.
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.
Data based on the 10th Percentile price of life insurance sold through MoneySuperMarket for life insurance and critical illness cover in December 2025.
Data based on the median price of life insurance sold through MoneySuperMarket for life insurance and critical illness cover in November 2025.