Life insurance cover: build the amount around the household's needs

The amount of life insurance a household needs cannot be established simply by multiplying salary by a familiar number. The useful starting point is what would need funding after a death, what resources would remain and how long support might be required.
That can include debt, living costs, childcare and unpaid work, as well as income. A person without a salary may still make a substantial financial contribution through the work they do for the household.
Separate immediate costs from continuing support
Make one list for amounts needed relatively soon and another for spending over time. Immediate needs might include a debt you intend to clear or practical costs during a transition. Continuing support might cover rent, household bills or care for children.
Avoid counting the same cost in both lists. If the plan assumes a mortgage is repaid with a lump sum, the ongoing budget should not also assume full mortgage payments continue indefinitely.
Write down the intended duration of each need. Support until a child finishes education is different from a lifelong commitment to a dependant, and those differences affect the discussion about cover and policy term.
Include the value of unpaid work
Consider what would change if the person who provides childcare, household management or care for a relative died. Replacing some of that work may involve paid help or a reduction in the surviving person's working hours.
The relevant figure is the household's likely financial adjustment, not an invented wage for every task. Obtain realistic local costs where a service would need to be purchased, and consider whether the existing work pattern would remain practical.
For example, full-time earnings may not continue unchanged if a surviving parent must take on school runs and care. A budget that preserves all income while ignoring those responsibilities can overstate the household's resources.
Make a transparent first calculation
Suppose a fictional household identifies £180,000 of debt to clear, £20,000 of immediate and transition costs, and a £1,000 monthly support gap for ten years. Ignoring inflation, investment returns and tax effects, the continuing gap totals £120,000 and the combined needs total £320,000.
If £70,000 of reliable, available resources is allocated to these needs, the simplified remaining gap is £250,000. That is a starting illustration, not a recommended sum assured or a personal quotation.
Every assumption needs examining. The support period may change, costs may rise and not all resources may be available to the intended recipient at the required time. Showing the components makes those questions visible.
Check existing cover rather than estimating it
Collect policy schedules and employer benefit information. Confirm the amount, the insured person, when cover ends and who receives any payment. Employment benefits should not be assumed to continue after leaving the job.
MoneyHelper explains the main life-insurance structures, including level and decreasing term cover, and the need to consider existing benefits and policy conditions. MoneyHelper: life insurance.
Keep confirmed cover separate from benefits whose eligibility or recipient is unclear. An adviser can help reconcile them, but an unverified salary multiple should not be treated as available cash in a family plan.
Match the cover pattern to the need
A debt that reduces over time and a continuing household income gap need not follow the same pattern. Ask why the proposed policy amount and term fit each purpose.
If the recommendation uses more than one policy, request a simple explanation of which need each covers. If it uses one policy, ask how it accommodates needs ending at different dates.
Affordability matters over the expected life of the cover. Understand whether premiums are guaranteed, reviewable or designed to increase, and what would happen if payments became difficult. The lowest starting premium may not describe the future commitment.
Consider how the money reaches the right people
Ownership, beneficiary arrangements and any trust require careful attention. Do not assume the intended person automatically receives a payment simply because they depend on the insured person.
Ask how a claim would be made, what documents would be needed and whether legal advice is appropriate for the proposed arrangement. Keep any tax discussion specific to the policy and circumstances rather than assuming a universal outcome.
Review the calculation after a birth, separation, new mortgage, changed work pattern or substantial change in assets. The aim is enough appropriate cover for identifiable needs, with a clear route from a valid claim to the people the policy is intended to support.
Related reading
Sources and context
General educational information, not personal financial advice. Examples are illustrative unless identified as recorded evidence.
Sources checked 18 September 2026. Our editorial standards.