Source data
Official ISA subscription limits and the announced cash ISA position from April 2027
Sources checked
The adult total and its Lifetime ISA sub-limit overlap. A child’s Junior ISA limit is separate.
Official ISA subscription limits and the announced cash ISA position from April 2027
The table covers subscriptions, meaning new money paid in during the tax year. The April 2027 cash ISA line describes HMRC’s stated policy as checked on 11 November 2026.
| Source | |||
|---|---|---|---|
| Adult overall ISA allowance | 20,000 | 6 April 2026 to 5 April 2027, across adult ISA types | Source 1 |
| Lifetime ISA annual sub-limit | 4,000 | 2026/27, within the overall adult allowance | Source 3 |
| Junior ISA allowance | 9,000 | 2026/27, across the child’s Junior ISAs | Source 4 |
| Cash ISA annual limit retained | 20,000 | From 6 April 2027, within the adult allowance, as announced by HMRC | Source 5 |