Interactive Investor

Junior ISA allowance 2024/2025

Existing customers can add a Junior ISA to make the most of their £9,000 allowance.

Investment Platform of the Year

Important information - investment value can go up or down and you could get back less than you invest. If you're in any doubt about the suitability of a Stocks & Shares ISA, you should seek independent financial advice. The tax treatment of this product depends on your individual circumstances and may change in future. If you are uncertain about the tax treatment of the product you should contact HMRC or seek independent tax advice.

What is the 2024-25 Junior ISA allowance?

The Junior ISA (JISA) allowance for the 2024-25 tax year is £9,000. The tax year runs from 6 April 2024 to 5 April 2025.

The allowance cannot be carried over if you do not contribute the full amount in one tax year.

Anyone can contribute to a JISA, whether they have parental responsibility or not. However, the Junior ISA must be opened by a parent or guardian.

Contributing to a JISA will not affect your personal ISA allowance.

How do I open a Junior ISA?

New customers will need to open a Stocks and Shares ISA or Trading Account on our Investor or Super Investor plans before adding a Junior ISA at no extra cost. Junior ISAs are not available on our Investor Essentials plan. Read our Junior ISA Fees and charges for more. 

  • You can open a Stocks and Shares Junior ISA simply by logging into your account and clicking 'add an account' from the top right-hand menu.
  • Children can hold a maximum of one Cash Junior ISA and one Stocks and Shares Junior ISA. They must be aged under 18, at which point the account becomes a regular ISA.
  • A Junior ISA is a tax-efficient way to invest in your child's future, but remember that investments can fall in value as well as rise, so your child could get back less than you put in.

What is the Child Trust Fund annual allowance?

Both Child Trust Funds (CTF) and Junior ISAs (JISA) enjoy a tax-free allowance of £9,000 for the current tax year (2024-25).

If you choose to transfer a CTF into a JISA, the value of the CTF will not count towards your new JISA allowance.

Historical JISA allowance

Junior ISA allowances are reviewed every tax year (6 April to 5 April). This table shows how the allowance has changed since 2015.

Tax YearJunior ISA Limit

An award-winning ISA

Transfer a Junior ISA to us and benefit from an award-winning service at the low price of just £11.99 per month. In return, you will enjoy access to our full range of services, news and insight, as well as £3.99 free credit each month to use against any trade.

Learn more about Junior ISAs

What is a Junior ISA?

Learn more about how Junior ISAs work.

Top Junior ISA Funds

Find out which funds are more popular for our JISA customers.

Transfer a Junior ISA

Transfer your Junior ISA over to ii.