Comparison · Savings & Investing · 2026
ISA vs Lifetime ISA (LISA) 2026: Which Should You Use?
Both shelter your money from tax, but they are built for different jobs. A standard ISA gives you the full £20,000 allowance and total freedom to withdraw whenever you want. A Lifetime ISA caps contributions at £4,000 a year but adds a 25% government bonus — up to £1,000 a year of free money — provided you only use it for a first home (up to £450,000) or for retirement from age 60. This 2026 comparison weighs the bonus against the restrictions: the access rules, the £450,000 cap, the 25% withdrawal charge, and which one suits a first-time buyer versus a long-term saver.
TL;DR — 30-Second Summary
- • Standard ISA: £20,000 a year, no bonus, withdraw any time — maximum flexibility
- • Lifetime ISA: £4,000 a year, +25% bonus (up to £1,000), but locked to first home or age 60
- • First-time buyer under 40: the LISA bonus is usually unbeatable — within the £450k cap
- • Might need the money sooner: the standard ISA avoids the 25% withdrawal charge
Side-by-Side Comparison
| Feature | Standard ISA | Lifetime ISA |
|---|---|---|
| Annual limit | £20,000 | £4,000 (within the £20,000) |
| Government bonus | None | 25% — up to £1,000/yr |
| Who can open | Any UK resident 18+ | Ages 18–39 only |
| Penalty-free use | Any time, any purpose | First home (≤£450k) or age 60 |
| Early withdrawal | Free | 25% charge |
| Tax on growth/income | None | None |
The LISA Bonus — and Its Strings
The Lifetime ISA's headline draw is the 25% government bonus: pay in the full £4,000 and you receive £1,000 on top, paid monthly so it compounds. No standard ISA can match that instant uplift. But the bonus comes with firm conditions.
You must open the LISA before age 40 and can only contribute (and earn the bonus) until age 50. Penalty-free withdrawals are limited to a first home costing £450,000 or less, bought with a mortgage at least 12 months after opening, or to reaching age 60 (or terminal illness). Anything else triggers the 25% withdrawal charge.
The 25% Withdrawal Charge Trap
The withdrawal charge is the LISA's sharpest edge. Because the 25% charge applies to the larger, post-bonus balance, it does more than cancel the bonus — it can leave you with less than you originally paid in.
Pay in £4,000 and you get a £1,000 bonus, making £5,000. Withdraw it for an ineligible reason and the 25% charge takes £1,250, leaving £3,750 — £250 less than your own £4,000. That asymmetry is why a LISA should only hold money you are confident is for a first home or retirement.
Worked Example: First-Time Buyer
Aisha, 28, saves for a deposit over four years, paying in the full £4,000 a year:
| Route | Paid in (4 yrs) | Bonus | Towards deposit |
|---|---|---|---|
| Lifetime ISA | £16,000 | £4,000 | £20,000+ (before growth) |
| Standard ISA | £16,000 | £0 | £16,000 (before growth) |
As long as the home costs £450,000 or less, Aisha is £4,000 better off with the LISA — pure government money. Below the cap and confident of buying, the LISA is the clear winner.
Worked Example: Retirement Saver
For retirement, the LISA bonus is attractive but a pension often beats it for higher earners because of the larger £20,000+ ISA flexibility and pension tax relief. The LISA still suits self-employed savers with no workplace pension:
- • You are under 40 and self-employed
- • You want the 25% bonus plus tax-free withdrawals at 60
- • You have used your pension or want extra flexibility
- • You may need the money before 60
- • You want to save more than £4,000 a year tax-free
- • You value total access and no charges
Which Should You Choose?
If you are a first-time buyer under 40 buying within the £450,000 cap, the Lifetime ISA's 25% bonus is hard to beat — open one early to start the 12-month clock. If you might need the money sooner, want to save more than £4,000 a year, or value flexibility above the bonus, a standard cash or stocks and shares ISA is the safer choice. Many savers use both: £4,000 into a LISA for the bonus and the rest of the £20,000 allowance in a standard ISA. Compare the cash and stocks options in the cash ISA vs stocks & shares ISA comparison.