Income protection and critical illness cover are two of the most important personal finance products most UK adults do not have. Both protect against the financial impact of serious illness or injury — but they work in fundamentally different ways, cost different amounts, and are suited to different circumstances.
This hub covers both types of cover in detail: how each product works, what UK policies typically cost in 2026, when each is worth buying, and what the claims statistics actually tell you about real-world performance.
Why These Products Matter
The UK’s financial safety net for people who cannot work through illness is thin:
| Support available | Amount | Duration |
|---|---|---|
| Statutory Sick Pay (SSP) 2026/27 | £116.75/week | Up to 28 weeks |
| Employer sick pay | Varies (1–6 months typical) | Policy dependent |
| Employment and Support Allowance | £138.20/week (contributory) | Up to 365 days |
| Universal Credit (limited capability) | Varies | Ongoing, means-tested |
For someone earning £35,000/year, SSP replaces roughly 17% of their income. Most people’s expenses — mortgage, rent, bills, food — do not reduce when income stops. The gap between what the state pays and what most households need is substantial, and income protection is designed to bridge it.
How Income Protection Works
Income protection pays a monthly benefit if you are unable to work due to illness or injury. Key terms:
| Term | What it means |
|---|---|
| Benefit amount | Monthly payout — typically 50–70% of pre-tax earnings |
| Deferred period | Time before payments start (4 / 13 / 26 / 52 weeks) |
| Policy term | How long the cover lasts — usually to age 60 or 65 |
| Own occupation | Pays if you cannot do YOUR job — broadest definition |
| Suited occupation | Pays if you cannot do a job suited to your skills |
| Any occupation | Pays only if you cannot do ANY paid work — most restrictive |
Always buy “own occupation” cover if it is available in your occupation. “Any occupation” definitions mean you could be forced back to any work, including light manual jobs, before payments stop.
How Critical Illness Cover Works
Critical illness cover pays a one-off lump sum if you are diagnosed with a specified condition. Common covered conditions include:
- Cancer (most types — see policy for exclusions)
- Heart attack (to defined severity)
- Stroke (with permanent symptoms)
- Multiple sclerosis
- Kidney failure
- Major organ transplant
- Total permanent disability
Most policies cover 40–80 conditions. More conditions does not always mean better cover — what matters is the definitions. Broader, less restrictive definitions for the most common conditions (cancer, heart attack, stroke — which make up roughly 70% of claims) matter more than a long list that includes rare conditions with strict criteria.
What They Cost — 2026 Indicative Rates
| Profile | Income protection (£2,000/month, 13-week deferral, to 65) | Critical illness (£100,000 lump sum, to 65) |
|---|---|---|
| Age 30, non-smoker, office worker | ~£25–£45/month | ~£15–£30/month |
| Age 35, non-smoker, office worker | ~£30–£60/month | ~£20–£40/month |
| Age 40, non-smoker, office worker | ~£40–£80/month | ~£30–£55/month |
| Age 45, non-smoker, office worker | ~£60–£120/month | ~£50–£90/month |
Manual occupations, smokers, and people with pre-existing health conditions pay significantly more — some conditions may be excluded or loaded (higher premium) rather than declined outright. Use a specialist protection broker who can access multiple insurers rather than going direct to one provider.
Claims Statistics — What They Mean for Buyers
According to ABI data for 2023:
| Insurance type | Claims paid rate | Average claim amount |
|---|---|---|
| Income protection | 96.6% | £21,000 (per year of benefit) |
| Critical illness | 91.9% | £72,000 (lump sum) |
| Life insurance | 97.3% | £78,000 (lump sum) |
The 8% non-payment rate on critical illness is significant. The most common reasons for decline are: condition does not meet the definition, exclusion for a pre-existing condition, or non-disclosure. Choosing an insurer with clear, broad definitions reduces this risk — a protection broker can advise on which insurers are most generous on specific conditions.
Worked Example: Income Protection in Action
Scenario: Mark is 38, earns £45,000, has a mortgage of £1,800/month, and his employer pays full sick pay for 3 months.
- SSP kicks in after month 3: £507/month — covers less than 30% of his mortgage alone
- Mark buys income protection: £2,250/month benefit (60% of £45,000), 13-week deferred period, to age 65
- Monthly premium: approximately £45/month
- If Mark develops a long-term condition at age 45 and cannot return to work: he receives £2,250/month from month 3 to age 65 — a potential total benefit of £486,000
Without cover, Mark would likely have to sell his home within months of employer sick pay stopping.
Income Protection for the Self-Employed
Self-employed people have no employer sick pay and no access to Statutory Sick Pay. If they cannot work, their income stops immediately. The state provides Employment and Support Allowance after a waiting period — but this is means-tested and at a level (£138.20/week) far below most self-employed people’s typical income.
For self-employed workers, income protection is arguably more important than for employees. Key considerations:
- Choose a policy specifically designed for self-employed income (benefit calculation is based on trading income)
- Consider how long your business could survive without you (if clients would simply go elsewhere, your business income stops fast)
- Align the deferred period with your cash reserves — most self-employed people should choose a 4-week or 13-week deferral
What This Cluster Covers
| Your question | Best starting point |
|---|---|
| How does income protection work? | Income Protection Guide |
| Is income protection worth buying? | Is Income Protection Worth It? |
| Should I get income protection? | Should I Get Income Protection? |
| How does critical illness cover work? | Critical Illness Cover Guide |
| Is critical illness cover worth it? | Is Critical Illness Cover Worth It? |
Related Hubs
- Life Insurance hub — death benefit cover alongside income protection
- Business Insurance hub — self-employed and business owner cover options
- Insurance hub — overview of all insurance types