Life Insurance Guide: Types of Life Insurance UK — Term, Whole of Life, Critical Illness and How to Choose the Right Cover

Life insurance pays out a lump sum or regular income to your beneficiaries if you die during the policy term. For many families, it is the difference between financial security and hardship.

Consider the numbers: the average UK mortgage stands at around £200,000, and the typical household has monthly outgoings exceeding £2,500. Without life cover, a surviving partner could face losing the family home or making drastic lifestyle changes at the worst possible time.

The MoneyHelper service recommends that anyone with financial dependents — a partner, children, or anyone who relies on your income — should seriously consider life insurance. Even if you have savings or a workplace death-in-service benefit, these may not be sufficient to cover your family's long-term needs.

Life insurance also plays a crucial role in estate planning. If your estate exceeds the inheritance tax nil-rate band of £325,000 (or £500,000 when the residence nil-rate band applies), a life insurance policy written in trust can provide funds for your beneficiaries to settle an IHT bill without having to sell assets. For more on reducing your inheritance tax liability, see our guide to reducing inheritance tax legally.

There are several distinct types of life insurance available in the UK, each suited to different needs and budgets.

Level Term Life Insurance

This is the most straightforward and affordable type of cover. You choose a fixed sum assured (say £250,000) and a policy term (say 25 years). If you die within that term, your beneficiaries receive the full payout. If you survive the term, the policy simply ends with no payout. Premiums remain fixed throughout. Level term insurance is ideal for income replacement — ensuring your family can maintain their standard of living if you die prematurely.

Decreasing Term Life Insurance

With decreasing term cover, the sum assured reduces over time, typically in line with a repayment mortgage balance. Because the payout decreases, premiums are cheaper than level term. This type is designed specifically to cover a mortgage debt, so your family can pay off the home loan if you die. If you have a repayment mortgage, decreasing term cover is often the most cost-effective option.

Whole of Life Insurance

Unlike term policies, whole of life insurance has no end date — it pays out whenever you die, provided you keep paying premiums. This certainty comes at a cost: premiums are significantly higher than term cover. Whole of life policies are commonly used for inheritance tax planning, funeral costs, or leaving a guaranteed legacy. When written in trust, the payout falls outside your estate entirely, meaning your beneficiaries receive the full amount free of IHT. For a detailed look at IHT thresholds and planning strategies, read our inheritance tax guide for 2025/26.

Critical Illness Cover

Critical illness cover pays out a tax-free — see GOV.UK for current allowances (gov.uk/income-tax-rates) lump sum if you are diagnosed with a specified serious illness, such as cancer, heart attack, or stroke. It can be purchased as a standalone policy or added to a term life insurance policy. The list of covered conditions varies between insurers — some cover 40+ conditions, others fewer — so comparing policy documents is essential. Critical illness cover is not the same as income protection insurance, which pays a monthly income if you cannot work due to illness or injury.

Joint Life Insurance

Couples can take out a joint policy covering both partners, typically on a "first death" basis — meaning it pays out once when the first person dies, then the policy ends. Joint policies are cheaper than two separate policies but offer less flexibility: if you separate, splitting the policy can be complicated. Two individual policies provide independent cover that is unaffected by relationship changes.

For more on this topic, see our guide to Why Do Insurance Policies Have Excesses.

Life insurance premiums in the UK depend on several factors: your age, health, smoking status, occupation, the level of cover, and the policy term. The good news is that for most people, term life insurance is remarkably affordable.

A healthy non-smoker aged 30 can typically secure £250,000 of level term cover over 25 years for around £12–16 per month. That is less than the cost of a streaming subscription — yet it provides a quarter of a million pounds of protection for your family.

As the chart above illustrates, premiums increase significantly with age. A 50-year-old taking out the same policy would pay around £48 per month, while a 60-year-old could face premiums exceeding £110 per month. This is why financial advisers consistently recommend taking out life insurance as early as possible — the younger and healthier you are, the cheaper it is.

Smokers typically pay double the premiums of non-smokers. If you have stopped smoking, most insurers will treat you as a non-smoker after 12 months of being tobacco-free, which can halve your premiums.

According to the Association of British Insurers, the average UK household spends around £25–30 per month on term life insurance — a modest outlay for substantial financial protection.

One of the most common questions about life insurance is whether the payout is taxable. The short answer: life insurance payouts are generally not subject to income tax or capital gains tax. Your beneficiaries receive the full sum assured tax-free.

However, there is an important caveat. If the life insurance payout forms part of your estate when you die, it can be subject to inheritance tax at 40% on the amount above the nil-rate band. The current IHT nil-rate band is £325,000, rising to £500,000 if you leave your main residence to direct descendants (the residence nil-rate band).

For example, if your estate is worth £400,000 and your life insurance pays out £250,000, the combined value of £650,000 could trigger a significant IHT bill. At 40%, that could mean up to £60,000 going to HMRC rather than your family.

The solution is straightforward: write your life insurance policy in trust. When a policy is held in trust, the payout goes directly to your named beneficiaries and does not form part of your taxable estate. This is free to set up with most insurers and takes only a few minutes. As HMRC guidance confirms, assets held in certain trusts fall outside the estate for IHT purposes.

Writing a policy in trust also speeds up the payout process — your beneficiaries do not have to wait for probate, which can take months. Instead, the trustee can release the funds as soon as the insurer processes the claim.

If you are thinking about how life insurance fits with your wider estate and pension planning, our article on what happens to your pension when you die explains how pension death benefits interact with your estate.

Selecting the right life insurance policy involves answering a few key questions about your circumstances.

1. How much cover do you need?

A common rule of thumb is to insure yourself for 10 times your annual salary, but your actual needs may differ. Consider your outstanding mortgage balance, any other debts, how many years your children need supporting, and your partner's own income and pension provision. If your partner earns a good salary and your mortgage is modest, you may need less. If you are the sole earner with three young children and a large mortgage, you may need more.

2. How long should the policy last?

Match your policy term to your longest financial commitment. If your youngest child is 3, you might want cover until they finish university — roughly 20 years. If your mortgage has 25 years remaining, a 25-year term makes sense. For inheritance tax planning, whole of life cover is more appropriate since you need certainty of payout regardless of when you die.

3. Level or decreasing cover?

If your main purpose is covering a repayment mortgage, decreasing term is cheaper and appropriate. For everything else — income replacement, school fees, or general family protection — level term is better because the payout does not diminish over time.

4. Do you need critical illness cover?

Adding critical illness cover to a life insurance policy typically increases premiums by 50–100%, but it provides valuable protection if you survive a serious illness. Statistically, you are more likely to suffer a critical illness during your working life than to die. If your employer does not provide group income protection, critical illness cover deserves serious consideration.

5. Joint or individual policies?

For maximum flexibility and total protection, two individual policies are generally better than one joint policy. If one partner dies, the surviving partner retains their own policy. With a joint first-death policy, the surviving partner would need to take out new cover — potentially at a much higher premium due to being older.

For those over 50 who may find standard underwriting difficult, our guide to financial planning for over 50s covers guaranteed acceptance policies and other late-stage protection options.

For more on this topic, see our guide to How Much Life Insurance Do You Need? A Step-by-Step Calculator Guide for UK.

Not writing the policy in trust. This is the single most common and costly mistake. Without a trust, your life insurance payout becomes part of your estate and may be subject to 40% inheritance tax. Setting up a trust is free and takes minutes — ask your insurer for the relevant trust form when you take out your policy.

Under-insuring. Many people choose a round number like £100,000 without calculating what their family actually needs. A proper needs analysis — covering mortgage, debts, living expenses, childcare, and education costs — often reveals the true figure is considerably higher.

Not disclosing medical history honestly. Life insurance is a contract of utmost good faith. If you fail to disclose a relevant medical condition and later make a claim, the insurer can void the policy entirely. Always answer health questions fully and honestly — the premium increase for most conditions is far less than people fear.

Letting a policy lapse. If you stop paying premiums, your cover ends immediately. If finances are tight, contact your insurer to discuss reducing cover rather than cancelling entirely. Some protection is always better than none.

Relying solely on employer death-in-service benefit. Many employers offer death-in-service cover of 2–4 times salary, which is valuable but has a critical limitation: if you change jobs or are made redundant, the cover disappears. A personal policy stays with you regardless of your employment situation.

You can buy life insurance directly from an insurer, through a comparison website, or through a financial adviser. Each route has its merits.

Comparison websites are useful for straightforward term insurance — they let you compare dozens of providers in minutes and are free to use. However, they may not cover the whole market.

Independent financial advisers (IFAs) are particularly valuable if you have complex needs — for example, combining life insurance with inheritance tax planning, or if you have medical conditions that require specialist underwriting. An IFA can search the whole market and negotiate with insurers on your behalf. Our tax hub and pensions hub provide further reading on how protection fits within broader financial planning.

Direct from insurers can occasionally offer exclusive products or discounts not available through intermediaries.

The Financial Conduct Authority regulates all insurance intermediaries in the UK, so whether you buy online, over the phone, or through an adviser, you have the same regulatory protections.

When comparing policies, look beyond the monthly premium. Check the insurer's claims acceptance rate (the best providers accept 98%+ of claims), read the policy exclusions carefully, and confirm whether premiums are guaranteed or reviewable.

For those also thinking about building savings alongside protection, our savings hub covers ISAs, premium bonds, and other tax-efficient vehicles that complement a solid insurance foundation.

This article is for informational purposes only and does not constitute financial advice. You should seek independent financial advice before making any investment decisions.