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Updated for the 2025/26 tax year. The Lifetime ISA government bonus is 25% on contributions up to £4,000 per year (max £1,000 bonus). You must be aged 18 to 39 to open a LISA. Contributions can be made until age 50. Qualifying withdrawals are for a first home (up to £450,000) or retirement at age 60+.

Lifetime ISA Calculator

Calculate your Lifetime ISA growth, government bonus, and compare with a standard ISA. See how the 25% government bonus boosts your savings over time.


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Year-by-Year Projection

Lifetime ISA vs Standard ISA Comparison

Contribution Scenarios (Same Growth and Timeframe)

Lifetime ISA Calculator UK 2025/26

Our Lifetime ISA Calculator helps you project the growth of your Lifetime ISA savings, including the 25% government bonus. Enter your age, annual contribution, and expected growth rate to see your projected value, total bonus received, and how much more you would have compared to a standard ISA. Whether you are saving for your first home or for retirement, this tool gives you accurate projections for 2025/26.

What Is a Lifetime ISA and How Does the Bonus Work?

A Lifetime ISA (LISA) is a tax-efficient savings account designed to help people aged 18 to 39 save for their first home or retirement. The government adds a 25% bonus to your contributions, up to a maximum of £4,000 per year. This means if you deposit the full £4,000, the government adds £1,000 in free money. Over decades of saving, this bonus compounds alongside your investment growth, potentially adding tens of thousands of pounds to your savings.

FeatureDetails
Age to open18 to 39
Age to contribute until50
Annual contribution limit£4,000 (part of £20,000 ISA allowance)
Government bonus25% (up to £1,000 per year)
Qualifying withdrawal for first home£450,000 property price cap
Tax-free withdrawal age for retirement60+
Early withdrawal penalty25% charge (effective loss on non-qualifying use)

How to Use the Lifetime ISA Calculator

  1. Enter your current age – You must be between 18 and 39 to open a LISA.
  2. Set your annual contribution – Choose any amount up to £4,000 per tax year.
  3. Add existing balance – If you already have money in a LISA, enter it here.
  4. Select your growth rate – Pick a realistic return based on your risk tolerance (cash ~2%, balanced ~6%).
  5. Choose years to save – How long do you plan to contribute? (Limited by age 50 cutoff)
  6. Click Calculate for instant results showing projected value, total bonus, and comparison vs standard ISA.

Lifetime ISA Growth Rates Explained

Your actual returns depend on whether you choose a cash LISA or an investment LISA:

LISA TypeTypical Return (2025)Risk Level
Cash LISA2% to 4%Very Low
Funds LISA (Cautious)3% to 5%Low
Funds LISA (Balanced)5% to 7%Medium
Funds LISA (Adventurous)7% to 10%High

Lifetime ISA vs Help to Buy ISA

The LISA replaced the Help to Buy ISA in November 2019. Key differences:

  • Contribution flexibility: LISA allows monthly deposits from day one, whereas Help to Buy ISA required an initial lump sum.
  • Bonus rate: Both offer 25%, but LISA caps at £1,000/year while Help to Buy caps at £3,000 total.
  • Use cases: LISA can also be used for retirement, giving it dual-purpose flexibility.
  • Property price cap: LISA has a higher national cap (£450,000) vs Help to Buy (varies by region, typically lower).

When Should You Not Use a Lifetime ISA?

Consider carefully if: You need to access your savings before age 60 or purchase a home over £450,000. A 25% early withdrawal penalty effectively removes both your government bonus plus 6.25% of your own contribution. Only qualifying withdrawals for first homes under £450,000 or retirement at 60+ avoid the penalty.

Potential downsides of a LISA include:

  • Property price cap: Cannot buy a house over £450,000 using LISA funds without losing the bonus.
  • Withdrawal penalty: Non-qualifying withdrawals incur a 25% charge, reducing your total capital.
  • Reduced flexibility: Unlike stocks and shares ISAs, you cannot freely withdraw and redeposit within the same tax year.
  • Contributions stop at 50: No further deposits allowed after age 50, though existing funds continue growing.

Government Bonus Timing Rules

The LISA bonus is paid monthly by your provider when they report contributions to HMRC. For example, if you contribute £4,000 in January, the £1,000 bonus arrives around February or March. However, to count toward your first-time buyer purchase, the bonus should ideally be in place for mortgage purposes – allow at least 3 months after opening your LISA before completing a property purchase.

Frequently Asked Questions

Who is eligible to open a Lifetime ISA?

You must be aged 18 to 39 when you open the account. You can continue contributing until age 50, and the money grows tax-free until withdrawal at 60+ or for a qualifying first home purchase.

How much government bonus will I receive?

The bonus is 25% of your contributions, up to £1,000 per year. For every £4,000 you deposit, you get £1,000 free. If you deposit less, the bonus scales proportionally (£2,000 contributed = £500 bonus).

What happens if I withdraw money early from my LISA?

If you withdraw for a non-qualifying purpose (not a first home under £450k and not retirement age), you face a 25% penalty. This takes back your entire government bonus plus 6.25% of your own contribution. Example: On £10,000 withdrawn, you receive £7,500 minus any remaining bonus.

Can I open both a Lifetime ISA and a regular Stocks and Shares ISA?

Yes, but remember the overall ISA allowance is still £20,000 per year. So if you put £4,000 in a LISA, you can only add £16,000 to other ISAs in the same tax year.

Does the LISA bonus count toward my ISA allowance?

No. Your annual ISA allowance is £20,000. The £4,000 LISA limit sits inside that total. The government bonus does not count against either limit.

Can I transfer a Help to Buy ISA into a Lifetime ISA?

Yes, you can transfer your Help to Buy ISA balance into a LISA, and the old bonus will still count. However, you lose the ability to use the Help to Buy ISA bonus separately. Consult your providers before transferring.

What counts as a first-time buyer for LISA purposes?

You qualify if you have never owned a property anywhere in the world, either alone or with someone else (including via inheritance). If you previously owned a home but sold it, you may still qualify.

Is there a minimum holding period for the LISA bonus?

Technically, yes. To use the LISA for a first home, your first deposit must have been made at least 12 months before completion. Otherwise, you lose the ability to use the LISA bonus for that purchase.

What happens to my LISA if I die?

Your LISA forms part of your estate and is passed on to your beneficiaries. There is no special tax relief, but it is subject to Inheritance Tax rules. Beneficiaries can continue holding it within a LISA wrapper if they meet age requirements, or transfer it to another ISA type.

Are LISA withdrawals taxable?

Qualifying withdrawals (first home or age 60+) are completely tax-free. Neither income tax nor capital gains tax applies. Non-qualifying withdrawals incur the 25% penalty but remain otherwise tax-free since contributions were already made from post-tax income.

Can I contribute to a LISA and pension in the same year?

Yes. LISAs and pensions are separate vehicles. Pension contributions benefit from tax relief and employer matching (for workplace pensions), while LISA provides the 25% government bonus. Many savers use both alongside each other for retirement planning.

What if I want to buy a second property later?

LISA savings can only be used for a first-time buyer purchase. Once you have bought your first home, any remaining LISA balance continues growing tax-free and can be withdrawn at age 60+ without penalty. It cannot be used for subsequent property purchases.

How does the LISA interact with means-tested benefits?

LISA holdings are counted as capital/assets when assessing eligibility for means-tested benefits like Universal Credit. Large balances could reduce or disqualify you from certain benefits. Seek advice from Citizens Advice or a qualified financial advisor if concerned.

Can I switch providers once I have opened a LISA?

Yes. You can transfer your LISA to another provider. However, ensure the transfer is done correctly: if transferring before age 40 for a home purchase, incomplete transfers may reset your 12-month holding period. For retirement savings, simply follow the new provider transfer process.

Does the LISA bonus come all at once or gradually?

Most providers report contributions monthly, so the bonus arrives roughly one month after each contribution. Some offer faster processing. For first-time buyers needing certainty on funding, confirm timing with your provider well before exchange of contracts.