ISA Allowance & Tax Saving Calculator
The annual ISA allowance is £20,000 in 2025/26. Calculate how much tax you save by investing in a Stocks & Shares ISA vs a taxable account, and compare ISA types to find the best option for your goals.
Frequently Asked Questions
What is the ISA allowance for 2025/26?
What are the different types of ISA?
Can I contribute to multiple ISAs in one year?
What is the Lifetime ISA bonus?
Can I transfer an ISA to another provider?
Is ISA interest taxable?
Does the ISA allowance roll over?
Can my child have an ISA?
What happens to ISAs when you die?
Can I invest in shares through a Cash ISA?
What is the ISA tax benefit for higher rate taxpayers?
Should I choose a Cash ISA or Stocks & Shares ISA?