Last checked: 24 September 2026
The current 2026/27 position
For the 2026 to 2027 tax year, the overall ISA subscription limit is £20,000. Different ISA types have their own rules.
A change is coming in April 2027
Government guidance published in September 2026 says the Cash ISA limit for people under 65 will reduce to £12,000 from 6 April 2027, while the overall ISA limit remains £20,000. People aged 65 or over retain a £20,000 Cash ISA limit under the announced rules.
Check before acting
Tax rules can change and individual circumstances differ. Use current GOV.UK guidance and provider terms before opening or contributing to an ISA.
Useful official sources
Rules and guidance can change. Check the official source before acting.