What is the 2024/25 ISA allowance?

The annual ISA allowance is £20,000 per person. For Lifetime ISAs, the annual limit is £4,000 (within the £20,000 total).

How does the Lifetime ISA bonus work?

HMRC adds 25% to LISA contributions (max £1,000/year bonus). The LISA can only be used for a first home purchase or retirement after age 60.

Is ISA income tax-free?

Yes. Interest, dividends, and capital gains within an ISA are completely free from UK income tax and CGT, with no need to declare on Self Assessment.

UK ISA Allowance & Growth Calculator 2024/25

Maximise your £20,000 annual ISA allowance. Compare Cash ISA, Stocks & Shares ISA, Lifetime ISA (£4,000 limit + 25% bonus), and Innovative Finance ISA growth projections.

Principal ($)

Annual Rate (%)

Years

Compounding / Year

$ Finance Disclaimer: These calculators are for educational and illustrative purposes only. Results do not constitute financial advice. Consult a licensed financial advisor before making investment or borrowing decisions.

How to Use

Enter the values for the scenario you are assessing. Maximise your £20,000 annual ISA allowance. Compare Cash ISA, Stocks & Shares ISA, Lifetime ISA (£4,000 limit + 25% bonus), and Innovative Finance ISA growth projections. Use the uk isa allowance 2024 result to inform your calculation.

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UK ISA Allowance & Growth Calculator 2024/25

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Frequently Asked Questions

What is the 2024/25 ISA allowance?

How does the Lifetime ISA bonus work?

Is ISA income tax-free?