Income Protection Insurance vs Critical Illness Martin Lewis (UK): What’s the Difference?

TL;DR

Income protection pays a monthly income if you can’t work due to illness or injury. Critical illness cover pays a one‑off lump sum after a qualifying diagnosis. If your main worry is being off work for months or years, income protection is usually the better fit; critical illness is often used to reduce big debts like a mortgage.

Income protection pays a monthly income if you can’t work due to illness or injury. Critical illness cover pays a one‑off lump sum after a qualifying diagnosis. If your main worry is being off work for months or years, income protection is usually the better fit; critical illness is often used to reduce big debts like a mortgage.

Key Points

  • Income protection pays a monthly income if you can't work
  • Typically covers 50-70% of your gross salary
  • Payments continue until you recover, retire, or the policy ends
  • Can cover almost any illness or injury that prevents work

Who Is This For?

This information is particularly relevant if you're self-employed, a contractor, or anyone without comprehensive employer sick pay. If losing your income would affect your ability to pay bills, rent, or mortgage, income protection provides a financial safety net.

Next Steps

Our FCA-regulated advisers can help you find the right income protection policy for your circumstances. We compare the whole market to find cover that fits your budget and needs.

Frequently Asked Questions

Related Topics

Jay Sabine
CeMAP Qualified
29 Years Experience

Content reviewed: January 2026

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