How Much Critical Illness Cover Do I Need? Choosing critical illness cover begins with a number.
Yet that number should represent more than the outstanding mortgage.
A serious diagnosis may affect income, savings, household costs and future plans at the same time.
The suitable amount should reflect the financial decisions a household may face after illness.
Too little cover could leave a substantial gap.
Too much cover could create premiums that become difficult to maintain.
The aim is not the largest possible payment. It is a realistic benefit that protects the right responsibilities.
Calculating Critical Illness Cover
- Begin with your outstanding mortgage.
- Decide whether you want to clear all or part of the loan.
- Add essential household costs during recovery.
- Include debts, childcare and possible property adaptations.
- Deduct savings and existing protection where appropriate.
- Check employer sick pay and workplace benefits.
- Choose a policy term matching the financial need.
- Keep premiums affordable throughout the term.
- Review cover after major financial or family changes.
Should Critical Illness Cover Match the Mortgage?
Some people arrange cover equal to their outstanding mortgage.
This approach could allow the mortgage to be repaid after a successful claim.
Removing the mortgage may reduce the household’s largest monthly commitment.
However, mortgage-only cover might not provide money for:
- Household bills.
- Reduced earnings.
- Loans and credit cards.
- Childcare.
- Travel to treatment.
- Rehabilitation.
- Home adaptations.
- Additional care.
- Everyday family costs.
The mortgage is therefore a useful starting point, not always the final figure.
Step One: Review the Mortgage Balance
Confirm the current amount outstanding.
Then consider whether you want the policy to cover:
- The entire mortgage.
- A fixed percentage.
- A specific amount.
- Only one person’s share.
- The expected balance at a future date.
A household with two incomes may decide that each person needs different cover.
The higher earner may create a larger financial gap after illness.
However, unpaid care and household responsibilities also have a financial value.
Cover should not be based only on salary.
Step Two: Estimate Essential Household Spending
Calculate the household’s essential monthly costs.
These may include:
- Mortgage payments.
- Council Tax.
- Energy bills.
- Water.
- Food.
- Transport.
- Insurance.
- Childcare.
- Telephone and internet.
- Loan repayments.
- Minimum credit payments.
Then decide how many months of spending the policy should support.
For example, a household may want enough money for twelve or twenty-four months of essential costs.
This reserve could create time for treatment, recovery and longer-term planning.
Step Three: Consider Lost Income
A serious illness may affect earnings even when the person remains employed.
Possible changes include:
- Unpaid leave.
- Reduced hours.
- A lower-paid role.
- Early retirement.
- A career change.
- A spouse reducing their working hours.
- Time away from self-employment.
Review the income that could be lost during a realistic recovery period.
Do not assume employer sick pay will continue indefinitely.
Obtain written details of:
- Full-pay periods.
- Half-pay periods.
- Eligibility rules.
- Group protection benefits.
- When payments end.
- What happens after leaving employment.
Critical illness cover does not normally calculate its payment from actual lost earnings.
The insured amount is selected when the policy begins.
Step Four: Include Other Debts
A critical illness payment may also be used to reduce unsecured borrowing.
Review:
- Personal loans.
- Credit cards.
- Car finance.
- Overdrafts.
- Second charge borrowing.
- Family loans.
- Other regular credit commitments.
Clearing high monthly commitments could reduce the income needed during recovery.
However, using all the benefit to repay debts may leave less money for everyday costs.
A balanced calculation can consider both priorities.
Step Five: Consider Children and Dependants
A serious diagnosis can affect the wider household.
Relevant costs may include:
- Childcare.
- School transport.
- Education.
- Additional care.
- Support for an adult dependant.
- Time away from work for a spouse.
- Help with household responsibilities.
The financial impact may continue even when medical treatment is provided through the NHS.
These costs should form part of the cover assessment.
Step Six: Allow for Property Adaptations
Some illnesses may require changes to the home.
Possible costs include:
- Improved access.
- Bathroom changes.
- Stairlifts.
- Ground-floor facilities.
- Wider doorways.
- Specialist equipment.
- Temporary accommodation.
MoneyHelper explains that a critical illness payment can be used for a mortgage, treatment or home adaptations.
No household can predict every possible change.
However, including a reasonable contingency may reduce pressure after a claim.
Step Seven: Review Savings and Existing Cover
Existing resources may reduce the amount of new cover required.
Review:
- Cash savings.
- Accessible investments.
- Existing critical illness cover.
- Life insurance with critical illness benefits.
- Employer-provided cover.
- Income protection.
- Spouse or household income.
- Family financial support.
Take care when including savings allocated for another purpose.
Money reserved for retirement, tax or education may not be fully available after illness.
Emergency savings can support short-term costs. However, they may not address a large mortgage balance.
A Simple Critical Illness Cover Calculation
A broad starting calculation could be:
Mortgage amount to protect
plus
Essential expenditure during recovery
plus
Debts and additional costs
minus
Resources specifically available after illness
For example:
| Financial need | Illustrative amount |
|---|---|
| Mortgage amount to repay | £150,000 |
| Twelve months of essential costs | £24,000 |
| Loans and credit commitments | £8,000 |
| Adaptation and recovery reserve | £15,000 |
| Total requirement | £197,000 |
| Available savings allocated to illness | £12,000 |
| Illustrative cover gap | £185,000 |
This example does not represent advice.
Actual requirements depend on individual circumstances, policy availability and affordability.
Full Mortgage Cover or Partial Cover?
Full mortgage cover may provide greater certainty after a successful claim.
However, the premium may be higher.
Partial cover could still make a meaningful difference by:
- Reducing the mortgage balance.
- Lowering monthly repayments after refinancing.
- Clearing other debts.
- Providing a recovery fund.
- Supporting household expenditure.
Having some suitable protection may be more sustainable than choosing an unaffordable amount.
Premiums must continue throughout the policy term.
The FCA notes that pure protection cover depends on continued premium payments. A lapsed policy provides no benefit.
Level or Decreasing Cover?
Level critical illness cover
The insured amount remains broadly fixed throughout the term.
It may suit:
- Interest-only mortgages.
- Stable family protection needs.
- General financial reserves.
- Costs not linked solely to the mortgage.
Inflation may reduce the real value of a fixed benefit over time.
Decreasing critical illness cover
The insured amount reduces during the term.
It is often considered alongside a repayment mortgage.
The intention is for the cover to fall broadly with the mortgage balance.
However, the two amounts may not reduce at exactly the same rate.
Mortgage changes, missed payments and interest rates can affect the comparison.
How Long Should the Policy Last?
The term should reflect how long the financial need is expected to continue.
Possible reference points include:
- The mortgage repayment date.
- Expected retirement.
- A child becoming financially independent.
- The end of another debt.
- The expected end of employment income.
A policy ending before the mortgage could leave an uninsured period.
A longer term may increase the premium.
The selected term should therefore balance duration, need and affordability.
Should Couples Have Joint or Separate Cover?
A joint policy usually covers two people but makes one full payment.
The policy often ends after the first successful full claim.
Separate policies could allow a claim under each person’s cover.
This may provide greater protection, but premiums may be higher.
When comparing arrangements, consider:
- Each person’s income.
- The financial effect of either person becoming ill.
- Childcare and caring responsibilities.
- The mortgage balance.
- Existing workplace benefits.
- The need for cover after the first claim.
What Affects the Premium?
Premiums can reflect:
- Age.
- Health.
- Medical history.
- Smoking or nicotine use.
- Occupation.
- Family medical history.
- Cover amount.
- Policy term.
- Level or decreasing benefits.
- Joint or individual cover.
- Policy features.
- Guaranteed or reviewable premiums.
A higher insured amount normally costs more.
However, reducing cover should be considered against the resulting financial gap.
Should Inflation Be Considered?
A fixed lump sum may buy less in the future.
Some policies allow the cover to increase over time.
This may be described as indexed or increasing cover.
The premium may also rise as the benefit increases.
Consider inflation where the policy term is long or the cover supports broader family costs.
Decreasing mortgage cover is designed for a different purpose and normally falls over time.
When Should the Cover Be Reviewed?
Review critical illness cover after:
- Moving home.
- Remortgaging.
- Borrowing more.
- Marriage.
- Separation.
- Having a child.
- Changing employment.
- Becoming self-employed.
- A substantial income change.
- Receiving new workplace benefits.
- Approaching retirement.
A review does not always require replacing the policy.
An existing contract may contain valuable terms or pricing.
Do not cancel current cover before any replacement has been accepted and started.
Questions to Ask Before Selecting an Amount
Ask:
- How much mortgage debt should the policy repay?
- What essential costs would continue?
- How long could savings support the household?
- What employer benefits are available?
- Which other debts should be included?
- Could a spouse need to reduce working hours?
- Are home adaptations likely to create costs?
- Does the amount remain meaningful after inflation?
- Can the premium remain affordable?
- When should the cover end?
These questions help turn a general estimate into a practical protection plan.
Work Out Your Critical Illness Cover Needs
The correct amount cannot remove the effects of serious illness.
It can reduce the number of financial problems arriving at the same time.
The calculation should reflect debt, income, household responsibilities and available resources.
Our main critical illness protection guide explains how policies, claims and medical definitions work.
Connect Lifetime can help assess the level and structure of cover against your mortgage and family commitments.
Call Connect Lifetime on 01708 982955 to discuss critical illness protection.
Cover remains subject to underwriting, exclusions, policy terms and successful claims assessment.
