Life Insurance Needs Calculator
Calculate how much life insurance cover you need based on income, mortgage, debts and family costs.
By Konstantin Iakovlev · Founder, Calks.uk
Last updated: · Verified against HMRC and GOV.UK 2026/27 rates
Recommended Life Cover
£770,000.00
Total Needs
£780,000.00
Already Covered
£10,000.00
| Income replacement (15 years) | £525,000.00 |
| Mortgage | £200,000.00 |
| Children's costs | £50,000.00 |
| Funeral costs | £5,000.00 |
Disclaimer
This calculator is provided for informational purposes only and should not be considered as financial or tax advice. All calculations are performed locally in your browser — no personal data is collected or sent to our servers. Rates and thresholds are sourced from HMRC and GOV.UK and are updated for the current tax year. Always verify results with HMRC or consult a qualified professional before making financial decisions.
How It Works
Life insurance provides a tax-free lump sum to your dependants if you die during the policy term. The amount of cover you need typically includes your outstanding mortgage, other debts, income replacement for a set number of years and any specific costs such as children's education. A common rule of thumb is 10 times your annual salary, but individual circumstances vary.
UK life insurance comes in two main forms: level term (fixed payout throughout the term) and decreasing term (payout reduces over time, matching a repayment mortgage). Level term is more expensive but provides consistent cover. Whole-of-life policies pay out whenever you die but cost significantly more and are mainly used for inheritance tax planning.
Premiums depend on your age, health, smoker status, occupation and the amount and length of cover. Writing a policy in trust ensures the payout is not included in your estate for inheritance tax purposes and can speed up payment to beneficiaries.
How much life insurance do you need? Common rules of thumb: 10× annual salary (USA standard) — high but conservative; UK typically 5-7× salary for term cover. Better calculation: outstanding mortgage + (years until dependants self-supporting × annual living costs) + funeral costs (£4,000-£8,000 UK average) − existing savings and investments. Sample: £200k mortgage + 15 years × £30k/year living costs + £5k funeral − £20k savings = £635k of life cover needed.
Types of UK life insurance. Level term: fixed payout over fixed term (e.g. £500k for 25 years). Best for mortgage protection. Decreasing term: payout reduces over time, matching mortgage balance — cheapest. Increasing/index-linked term: payout rises with inflation — protects against rising costs over long term. Whole-of-life: pays out whenever you die, premiums for life. Expensive but useful for inheritance tax planning. Family Income Benefit: pays monthly income (not lump sum) until end of term — useful for income replacement.
UK life insurance prices 2026. Healthy 35-year-old non-smoker: £250k level term 25 years = £8-£15/month. Add £100k for serious illness: £15-£25/month total. Smoker: typically 80-150% premium increase. Above age 50: prices rise 15-25%/year of age. Compare: MoneySupermarket, Compare the Market, broker like LifeSearch. Buy through broker — same price as direct (commission included either way), expert advice. Trust life insurance: write into trust to avoid IHT and probate delays. Free trust documents from most insurers.
Common policy mistakes. (1) Buying too late — premiums rise dramatically with age and health changes. (2) Not declaring health conditions — invalidates policy (insurer can decline payout). (3) Buying employer 'death in service' as primary cover (3-4× salary typical) — lapses if you leave job. (4) Not writing into trust — payout goes through your estate, delaying access and potentially adding to IHT bill. (5) Cancelling old policy for new one — gap in cover risky if health changed. Review every 5 years or major life event.
Critical illness cover — should you add it? Pays lump sum on diagnosis of specified illness (cancer, heart attack, stroke, MS, etc.). UK statistics: 1 in 2 develop cancer in lifetime; £30,000-£50,000 typical cancer treatment costs (private) + 6-12 months off work. Combine with life insurance: 'Life with Critical Illness' policies common — pays out on first event (death OR illness). Standalone CIC more expensive but pays both. Costs 3-5× more than life insurance alone. Worth it if: you have dependants AND no income protection AND no significant savings (3-6 months income).
Example: Age 35, non-smoker, £250,000 mortgage, 2 children
- Mortgage cover needed: £250,000 (decreasing term, 25 years)
- Income replacement (10x salary): £400,000 (level term, 20 years)
- Total cover: £650,000 across two policies
- Estimated monthly premium: £35-£55
- Annual cost: £420-£660
Frequently Asked Questions
- How much life cover do I need?
- Common calculation: outstanding mortgage + (years until dependants self-supporting × annual living costs) + funeral costs − existing savings/investments. Sample: £200k mortgage + 15 years × £30k = £450k + £5k funeral − £20k savings = £635k cover needed. Rule of thumb (UK): 5-7× annual salary level term cover. £50k salary → £250k-£350k. Critical illness lump sum: 1-2× salary additional. Income protection (monthly): 50-65% of salary up to retirement.
- Level term vs decreasing term — which is right?
- Level term: same payout throughout policy. Best for: income replacement, providing for family. £500k cover for 25 years = £500k whenever death within term. Decreasing term (mortgage protection): payout reduces over time, matching repayment mortgage balance. Cheapest option — 30-50% less than level term. Best for: pure mortgage protection on capital-and-interest mortgage. Don't use for: interest-only mortgage (balance doesn't decrease); income replacement.
- Should I write life insurance into a trust?
- Yes — usually. Benefits: payout goes directly to beneficiaries (not your estate), no IHT on payout (since policy not in estate), no probate delay (typically 6-12 weeks vs 0 with trust), payout protected from creditors. Most UK insurers provide free trust documents. Discretionary trust most flexible; absolute trust simpler. Set up at policy start — easier than later. Joint policies usually paid to surviving partner — separate policies in trust often better tax planning. Solicitor cost: £150-£300 if complex; usually free if using insurer's standard trust.
- Common reasons life insurance claims are rejected.
- (1) Non-disclosure: health condition, smoking, dangerous hobby not declared. Insurer can refuse payout even if unrelated to cause of death. (2) Material misstatement on application: occupation, income, address. (3) Lapsed policy: missed premiums for 30+ days. (4) Excluded conditions: pre-existing conditions, suicide within first 12-24 months of policy (varies by insurer). (5) Lying to GP: claims rejected if GP records contradict application. Best practice: be 100% honest; if uncertain whether to disclose, do disclose; review policy every 5 years.