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HomeBenefits & PensionsLifetime ISA (LISA) Calculator UK 2026/27 — £1,000 Bonus
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Lifetime ISA (LISA) Calculator UK 2026/27 — £1,000 Bonus

Calculate UK Lifetime ISA (LISA) 25% government bonuses (up to £1,000/yr), first home savings, and age 60 retirement pots.

Lifetime ISA (LISA) Contribution Details

Annual Personal Contribution (£ - Max £4,000/year)
£
Investment / Savings Horizon (Years)
yrs
Estimated Investment Growth Rate (% p.a.)
%
Total Cumulative Government 25% Bonus Claimed
£5,000.00 Bonus
Estimated Total LISA Maturity Pot: £27,628.00

📊 Lifetime ISA Growth Breakdown

Total Own Deposits Paid £20,000.00
Total Government 25% Bonus Paid £5,000.00
Estimated Investment Growth Earned £2,628.00
Estimated Total LISA Pot (House Deposit / 60+ Retirement) £27,628.00

The Lifetime ISA (LISA) is a tax-free savings account designed by the UK government to help adults save for their first home or for retirement after age 60.

Under statutory LISA rules, the UK government adds a 25% cash bonus to your savings—allowing you to deposit up to £4,000 per tax year and receive up to £1,000 of free government money each year.

⚙️ Statutory Lifetime ISA Rules & Allowances for 2026/27

1. Contribution & Bonus Limits

  • Maximum Annual Deposit: £4,000 per tax year (which counts toward your overall £20,000 annual ISA allowance).
  • Maximum Annual Government Bonus: £1,000 per tax year (25% top-up paid monthly into your account).

2. Age Eligibility Rules

  • Opening Age: You must be aged 18 to 39 to open a new Lifetime ISA.
  • Contribution Age Limit: You can continue depositing money and earning the 25% government bonus until your 50th birthday.
  • Lifetime Potential: Saving £4,000/yr continuously from age 18 to 50 earns £32,000 in free government bonuses.

3. Qualifying Penalty-Free Withdrawals

You can withdraw your entire LISA savings plus accumulated bonuses 100% tax-free for:

  • Buying your first home in the UK valued at £450,000 or less (after holding the LISA for at least 12 months).
  • Reaching age 60 or older for tax-free retirement income.
  • Being diagnosed with a terminal illness with less than 12 months to live.

📊 Practical Lifetime ISA Worked Examples

Below are two worked calculation examples illustrating LISA bonus accumulation:

Example 1: Saving £4,000/year for 10 years to buy a first home
  • Annual LISA Deposit: **£4,000.00 / year**
  • Contribution Duration: **10 Years**
  • Total Own Savings Deposited: 10 × £4,000 = **£40,000.00**
  • 25% Government Bonus Earned: 10 × £1,000 = **+£10,000.00**

Calculation: Total tax-free home deposit accumulated = £40,000 + £10,000 = £50,000.00 (plus investment growth).

Total Tax-Free LISA Pot: **£50,000.00** (Free Government Bonus: **£10,000.00**)
Example 2: Couple saving £4,000/year each for 5 years toward a joint home deposit
  • Partner A Deposits (5 × £4,000): **£20,000.00** (+£5,000 Bonus = £25,000.00)
  • Partner B Deposits (5 × £4,000): **£20,000.00** (+£5,000 Bonus = £25,000.00)

Calculation: Combined household LISA pot = £25,000 + £25,000 = £50,000.00 tax-free cash for first home.

Combined Household LISA Deposit: **£50,000.00** (£10,000 Total Free Bonus)

📑 Common Pitfalls & LISA Savings Warnings

  1. Unauthorized Withdrawal Penalty: Withdrawing cash for any reason other than buying a first home (£450k limit) or reaching age 60 incurs a statutory 25% government withdrawal penalty. This penalty reclaims the bonus PLUS roughly 6.25% of your original savings.
  2. The £450,000 Property Price Cap: The £450,000 property price limit applies across the entire UK. If you buy a first home costing £450,001 or more, you cannot use your LISA without paying the 25% withdrawal penalty.
  3. Holding Account for 12 Months: You MUST make your first contribution into your LISA at least 12 months before using the funds to purchase a first home.

❓ Frequently Asked Questions (FAQ)

Yes! If two first-time buyers are purchasing a home together, both individuals can use their own separate LISAs toward the purchase, doubling the free government bonus to up to £2,000 per year.

A Cash LISA pays a fixed interest rate and is ideal if buying a home within 1 to 5 years. A Stocks & Shares LISA invests in stock market funds for higher long-term growth, ideal for retirement or long-term horizons.

No, but a workplace pension should usually be prioritized over a LISA for retirement because employer matching contributions (minimum 3%) and 20% to 45% tax relief usually outperform the LISA 25% bonus.

Your LISA provider claims the 25% bonus automatically from HMRC every month based on your deposits. The bonus is deposited directly into your LISA account within 4 to 9 weeks.