UK ISA Limits & Allowances 2026/27
| ISA Account Type | 2026/27 Annual Limit | Key Benefits |
|---|---|---|
| Adult ISA Allowance (Overall) | £20,000 | Split across Cash, Stocks & Shares, and Innovative Finance |
| Lifetime ISA (LISA) | £4,000 | 25% government bonus (up to £1,000/yr) for first home or retirement |
| Junior ISA (JISA) | £9,000 | Tax-free savings for children under 18 |
Key Tax Advantages of ISAs
- 0% Income Tax: All interest earned in Cash ISAs and dividends from Stocks & Shares ISAs are 100% tax-free.
- 0% Capital Gains Tax: Profits from selling investments inside an ISA are completely exempt from CGT.
- No Self Assessment reporting: ISA income and gains do not need to be declared to HMRC.
Official Statutory Data Reference
Rates and calculations on this page are cross-referenced with official UK Government legislation: GOV.UK Individual Savings Accounts (ISAs) Overview (2026/27).