How much term life insurance should i have

How term life insurance actually works

Term life insurance is a contract where the insurer pays an agreed lump sum if the insured dies inside a fixed period — typically 5–40 years — and pays nothing if death occurs after the term ends. Premiums are sized to the underlying risk over the selected term and are normally fixed (guaranteed-rate) for the life of the policy, so the monthly cost agreed at application is the monthly cost for the whole term.

Three options are available at the end of the term: let the cover end (the default), convert to a new policy under any convertibility clause written into the original contract, or apply for fresh cover at the current age and health. The convertibility route, where available, is materially valuable for applicants whose health has deteriorated during the term — it gives access to continued cover without new medical underwriting.

Treating "how much term life insurance should i have" as the literal question — rather than a stand-in for a broader topic — narrows the relevant UK market facts down to the ones that actually inform the decision this page is about.

How this shape fits a UK mortgage

The UK convention is to set the policy term to the mortgage term at application, so both end together. A common mistake is to buy a shorter policy term to save on premium — which saves a small monthly amount but leaves the last few years of the mortgage uncovered, exactly the period when a claim would be most disruptive because less of the mortgage has been paid down.

Beyond matching shape to mortgage type, two structural decisions are worth getting right at application: holding the policy in trust (so the payout reaches the intended beneficiary directly rather than via probate) and nominating beneficiaries explicitly. Both are done at inception; both are harder to sort retrospectively; and both are standard practice on UK mortgage-linked life insurance for reasons that only become visible at claim stage.

Treating "how much term life insurance should i have" as the literal question — rather than a stand-in for a broader topic — narrows the relevant UK market facts down to the ones that actually inform the decision this page is about.

What drives the cost of term cover

The five main drivers of term life insurance premiums — in order of average impact — are age, smoker status, sum assured, policy term and health loading at underwriting. Age and smoker status together typically move the final premium more than anything else on a standard application; sum assured and term scale premiums close to linearly; and declared health conditions can add or subtract a lot depending on severity and recency.

Two beyond-the-basics factors matter at claim stage rather than at application. First, the insurer's claims-paid percentage — the UK average is above 97%, but specific insurers sit above or below that. Second, the policy wording on convertibility, waiver of premium, and named exclusions — two identical-premium quotes can deliver different results at claim because one of them has tighter contractual wording.

Treating "how much term life insurance should i have" as the literal question — rather than a stand-in for a broader topic — narrows the relevant UK market facts down to the ones that actually inform the decision this page is about.

Sizing the sum assured correctly

Deciding the sum assured is an additive exercise rather than a percentage-of-income exercise. Known debts (mortgage, car finance, personal loans) go in as their face value; income replacement goes in as a capitalised sum (annual income × years of protection needed); known future costs go in as expected figures. The total is the protection target; the actual cover bought is that target trimmed to an affordable premium.

A common UK shortcut that works for most families: mortgage balance for the mortgage cover element, plus 5–10× annual household income for the family-protection element, with indexation if the term is over 20 years. Applying this calibration usually lands on a cover figure that protects dependants through the period of peak financial dependence rather than under-insuring to reach a lower premium.

Treating "how much term life insurance should i have" as the literal question — rather than a stand-in for a broader topic — narrows the relevant UK market facts down to the ones that actually inform the decision this page is about.

A concrete case

A married couple in their late 30s with two children aged 4 and 7 take out £400,000 of joint level-term cover over 20 years at around £32/month — sized to cover a £220,000 mortgage plus £180,000 income replacement for roughly 10 years while the children are financially dependent. The higher-earning parent dies in year 5. The policy pays £400,000: the mortgage is cleared (£180,000 residual), and the surviving parent has £220,000 capital for childcare, education, and reduced-income years. Cover ends on the payout; the surviving parent arranges fresh personal cover for the remaining protection need. The numbers here land on "how much term life insurance should i have" exactly — not a reworded version of a neighbouring question.