ISA Allowance Calculator UK
Check how much of your £20,000 ISA allowance you have left to use in the current tax year.
Calculator
What this means
ISAs let you save or invest tax-free up to an annual limit. The allowance resets each tax year on 6 April.
Frequently asked questions
For 2025/26 the total ISA allowance is £20,000 across Cash, Stocks & Shares, and other ISA types.
No. Unused ISA allowance does not roll over to the next tax year.
Yes. Lifetime ISA contributions count towards your overall £20,000 ISA limit (with a separate £4,000 LISA sub-limit).
Disclaimer
This calculator provides estimates for guidance only. It is not financial, legal or tax advice. Always check official sources or speak to a qualified professional before making decisions.
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