Is critical illness cover worth it? The essentials
Whether critical illness cover is worth it
Critical illness cover is worth it when the financial impact of a serious illness would be more than your household could absorb on its own. It is worth less when you already have generous sick pay, substantial savings, an employer policy or no one relying on your income. There is no universal answer, and anyone who gives you one without asking about your finances is guessing.
What we can do is set out, using official and industry figures, what the cover pays for, how often claims are paid, which situations make it more or less valuable, and the questions that help you decide. The Health Guide does not give advice or recommend products; if you want a personal recommendation, speak to an FCA-authorised adviser.
Insurers paid £7.84 billion in protection claims across life, critical illness and income protection in 2025, according to the Association of British Insurers, [1] following a record £8 billion in 2024. [2] Those totals show that claims are paid at scale — but they cannot tell you whether a policy is right for your circumstances.
What you are actually buying
Critical illness cover pays a single tax-free lump sum if you are diagnosed with one of the conditions listed in your policy and the diagnosis meets the written definition. The core conditions on most policies are specified cancers, heart attack and stroke, and many policies list dozens more, sometimes with smaller partial payments for less severe conditions. [9]
The ABI publishes minimum standards for how its members word the most common definitions, so that the core conditions are described consistently across the market. [6] Policies can go beyond those minimums, and two policies that both “cover cancer” can still pay in different circumstances.
What it does not do is pay for treatment, replace your income month by month, or pay for illnesses that are not on the list. It also has no cash-in value: if you stop paying, the cover stops. Our guide to what critical illness cover is covers definitions, survival periods and combined policies in more depth.
| Question | Critical illness cover | What to bear in mind |
|---|---|---|
| How does it pay? | One lump sum to you | Paid once per claim; some policies allow further claims for different conditions |
| What triggers it? | A diagnosis that meets the policy definition | Severity or stage may need to be reached |
| Does it pay for treatment? | No | Private medical insurance is the product for treatment |
| Does it replace income? | Not directly | The lump sum can be used to cover lost income for a period |
| Any cash-in value? | No | Premiums are the cost of the protection while it runs |
| Can you choose how to spend it? | Yes, subject to the policy terms | Mortgage, bills, adaptations or simply time off work |
When critical illness cover tends to be worth more
The value of a lump sum depends on the gap it fills. The situations below are where that gap is usually widest.
- You have a partner or children who depend on your income.
- You have a mortgage or rent that would be hard to keep paying on a reduced income.
- Your employer pays only Statutory Sick Pay, or you are self-employed and get no sick pay at all.
- Your savings would last weeks rather than months if your income stopped.
- You would want to make changes to your home, pay for help or take extended time off to recover.
For employees, the statutory floor is Statutory Sick Pay: £123.25 a week, or 80% of normal weekly earnings if lower, paid for up to 28 weeks. [3] For most households that is a small fraction of normal outgoings. Self-employed people do not receive it at all.
Serious illness is also not a remote possibility. Cancer Research UK estimates that around half of people in the UK born after 1960 will be diagnosed with some form of cancer in their lifetime, [4] and the British Heart Foundation’s factsheet sets out the number of people living with heart and circulatory diseases in the UK. [5] A diagnosis is not the same as a successful claim, but these figures explain why people take the question seriously.
When it may be worth less
Critical illness cover can be worth less, or nothing at all, in some situations. Being honest about these is part of a fair answer.
- You have no dependants and no debts, and enough savings to cover a long period off work.
- Your employer already provides group critical illness cover or very generous long-term sick pay.
- The premium would stretch your budget so far that you might stop paying and lose the cover.
- What you really need is a regular income for any illness that stops you working — which is the job of income protection.
It is also worth checking what you already hold. Some mortgage-linked life policies include critical illness cover, and some employee benefits packages include it. Doubling up is not always wasteful, but it should be a deliberate choice.
Do critical illness policies pay out?
A common reason people doubt whether the cover is worth it is the fear that insurers do not pay. The industry figures show substantial sums paid every year, [1] [2] but individual claims can still be declined.
The Financial Ombudsman Service explains that when it looks at a declined critical illness claim, it considers whether the diagnosis met the policy definition and, where the insurer says the application was inaccurate, whether the insurer acted fairly. [7] The Consumer Insurance (Disclosure and Representations) Act 2012 requires you to take reasonable care not to misrepresent your medical history when you apply, and limits what an insurer can do if an error was honest and reasonable. [8]
The Ombudsman publishes yearly complaints data by product, which shows how many protection complaints it receives and how many it upholds. [10] The practical lesson is simple: answer every application question fully, keep a copy of what you said, and read the definitions for the conditions that worry you most. Our guide do critical illness policies pay out? goes further.
What drives the cost
Whether something is worth it depends on its price, and critical illness premiums vary widely. The main factors are your age, health and smoking status, the lump sum you choose, how long the cover runs, and whether the premium is fixed or can be reviewed. We do not publish average prices because they are rarely comparable; a quote based on your own details is the only reliable figure.
| Factor | Effect on price | Why it matters for value |
|---|---|---|
| Age when you apply | Older usually costs more | Starting earlier can lock in a lower guaranteed premium |
| Smoking status | Smokers usually pay more | Must be declared accurately to keep claims safe |
| Health and family history | Can add exclusions or loadings | Exclusions change what the policy is worth to you |
| Size of the lump sum | Higher sum, higher premium | Match it to a real need, not a round number |
| Length of cover | Longer term usually costs more | Often matched to a mortgage or children’s ages |
| Guaranteed or reviewable premium | Reviewable starts lower but can rise | Affects whether you can keep paying long term |
See how much critical illness cover costs for what each factor does in more detail.
A five-question test for whether it is worth it for you
If your answers show a large gap between what you would have and what you would need, a lump sum may be valuable. If they show you are already well protected, the money might do more good elsewhere. Our guide on how much critical illness cover you need walks through the arithmetic.
Alternatives and combinations to weigh
Critical illness cover is one of several tools. Income protection pays a regular monthly income if any illness or injury stops you working, after a waiting period you choose. Life insurance pays out on death and is often combined with critical illness cover in one policy. Private medical insurance pays for eligible private treatment. Each fills a different gap, which is why many people compare them together — see critical illness cover vs income protection.
Whatever you decide, check any adviser or firm you deal with on the FCA Register before you go ahead.
Looking at cover with PremierPMI
PremierPMI is a specialist private medical insurance broker and the publisher of The Health Guide. If you want to talk through what this means for your own cover, you can start there.
Or, if you would rather start here, send an enquiry and PremierPMI will contact you.
Common questions
Is critical illness cover worth it if I have savings?
Is critical illness cover worth it if my employer already provides it?
Do insurers really pay critical illness claims?
Is critical illness cover worth it for a single person with no children?
Is it better to have critical illness cover or income protection?
What reduces the value of a critical illness policy?
Sources and methodology
- [1] Association of British Insurers. “Protection insurers pay out £7.84 billion to help customers safeguard their finances”. View source(opens in a new tab)Primary source
- [2] Association of British Insurers and GRiD (reported by Cover Magazine). “Insurers paid £8bn in protection claims in 2024”. View source(opens in a new tab)Primary source
- [3] GOV.UK. “Statutory Sick Pay (SSP)”. View source(opens in a new tab)Primary source
- [4] Cancer Research UK. “Lifetime risk of cancer — all cancers combined”. View source(opens in a new tab)
- [5] British Heart Foundation. “UK Cardiovascular Disease Factsheet”. View source(opens in a new tab)
- [6] Association of British Insurers. “Guide to Minimum Standards for Critical Illness Cover”. View source(opens in a new tab)Primary source
- [7] Financial Ombudsman Service. “Critical illness cover — how we handle complaints”. View source(opens in a new tab)Primary source
- [8] UK Parliament (legislation.gov.uk). “Consumer Insurance (Disclosure and Representations) Act 2012”. View source(opens in a new tab)Primary source
- [9] Which? Money. “What is critical illness cover?”. View source(opens in a new tab)
- [10] Financial Ombudsman Service. “Annual complaints data and insight 2024/25”. View source(opens in a new tab)Primary source
We cite primary sources wherever possible. Read about our sourcing methodology.
Emma Leadbetter
Editor and Copywriter, PremierPMI
- 15 years health, finance and consumer journalism
- PhD candidate, University of Chichester
Emma has written across health, finance and consumer-affairs journalism for more than 15 years, and has been part of the PremierPMI team since 2022. She is known for making complex topics easy to understand, and fact-checks every guide against current insurer wording before it goes live. She is completing a PhD at the University of Chichester researching how the NHS has changed since COVID-19.
Read full profile
Stuart Hendy
PMI Expert and Head of Publishing, PremierPMI
- 20 years in UK private medical insurance
- Underwriting and corporate placement specialist
Stuart brings over 20 years of experience advising on UK private medical insurance. He is a key member of the private medical insurance team and Head of the Publishing Team, gathering detailed client requirements, liaising with insurers on tailored quotes, and running training on insurer product changes and underwriting nuance.
Read full profile
