Last updated: May 2026 · Sourced from official UK government publications
Plain-English explainer. All limits drawn from HMRC and gov.uk. Not financial advice, see disclaimer below.
No, you cannot pay more than £4,000 into a Lifetime ISA in a single tax year. £4,000 is the hard annual cap set by HMRC, and any contributions over that figure are returned by your LISA provider with no government bonus paid on the excess. Here are all the LISA limits in one place, and the easy ways to accidentally trip them.
HMRC sets the Lifetime ISA contribution limit at £4,000 per tax year. The tax year runs 6 April to 5 April the following year. The cap covers the total of every payment you make into the LISA in that period, lump sums, monthly direct debits, and ad-hoc transfers all count.
The 25% government bonus is paid on top of your £4,000, so the maximum that can land in the LISA from your contribution alone is £5,000 (£4,000 personal + £1,000 bonus), before any interest or investment growth.
To see exactly how the £4,000 cap and bonus combine over time, use our LISA bonus calculator.
The £4,000 LISA cap is part of the overall £20,000 annual ISA allowance, not separate from it. If you pay the maximum £4,000 into a LISA, you have £16,000 left to use across cash, stocks & shares, and innovative finance ISAs in the same tax year.
| Allowance | 2025/26 limit |
|---|---|
| Overall ISA allowance | £20,000 |
| Lifetime ISA (sub-cap) | £4,000 |
| Junior ISA (separate) | £9,000 |
| LISA government bonus | £1,000 (max, 25% of £4,000) |
The 25% government bonus is paid on top and does not count toward the £20,000 ISA limit.
Two age boundaries control LISA contributions:
Practical implication: if you open a LISA at 18 and contribute £4,000 every year until you turn 50, total bonuses would be £33,000 (£1,000 × 33 years), before any growth.
Most UK LISA providers (including Moneybox, AJ Bell, Hargreaves Lansdown, Nutmeg, Beehive Money) actively block payments that would breach the £4,000 cap. The check usually runs in real time at the point of contribution.
If a contribution does slip through, for example, if you have multiple LISAs across providers in the same tax year (which itself breaches HMRC’s ‘one LISA per year’ rule):
It is your responsibility to track contributions across providers if you have transferred between LISAs mid-year. The best safeguard is to view the current tax-year contribution figure in the LISA app before each payment.
You can own multiple LISAs, but you can only contribute to one LISA per tax year. Transfers between providers do not breach this rule. If you opened a LISA in 2024/25 with one provider and switched to another for 2025/26 contributions, that is fine, the old LISA can stay open and continue to earn interest, you just cannot pay new money into it.
The same restriction applies to the regular ISA family: one cash ISA, one stocks & shares ISA, one innovative finance ISA, and one LISA per tax year for new contributions.
Unused LISA allowance does not roll over. If you contribute only £1,000 in 2025/26, you cannot pay £7,000 next year, the 2026/27 cap is still £4,000. The same applies to the £1,000 bonus: any unclaimed bonus from a previous year is gone.
This is one reason savers often set a monthly direct debit of £333 (which contributes £3,996 across 12 months and earns £999 in bonus). For more on bonus mechanics, see how the LISA government bonus works.
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Subscribe free →No. £4,000 is the hard annual cap. Anything over is returned and earns no bonus. The cap resets each tax year on 6 April.
£4,000 personal contribution, plus £1,000 government bonus = £5,000 maximum added per tax year, before interest or growth.
Yes. £4,000 to a LISA leaves £16,000 for other ISAs in the same year. The bonus is paid on top.
18–39 to open. Contributions and bonus until age 50. After 50, the LISA stays open and grows but accepts no new money.
Most providers block over-cap contributions automatically. If one slips through, the excess is returned and no bonus is paid. Check your in-app tax-year contribution before each payment.