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Hard working savings
for fast growing kids

Give your little ones a head start

With our rate of 3.25% tax-free/AER (variable), the savings you build up for your child will grow even faster.


Find out more and apply

Before you apply for your child aged under 18

Please read the brochure, which includes the customer agreement (terms and conditions) last updated on 9 December 2018.

Find out more

Junior ISA

Apply now

Start saving with just £1

It’s easy to start building up a nest egg for your child - you can open a Junior ISA with just £1. You can save up to £4,368 in the 2019/20 tax year, and you get a new allowance with each new tax year.

Children laughing with dad

No paperwork, no hassle

You open an account for your child online, and you can log in any time to check the balance or pay more money in. We’ll send you electronic statements each year to help you keep track of how your child’s savings are growing.

mum using NSANDI transactional site on a tablet next to a cafetiere on kitchen counter

Important things you need to know

  • A Junior ISA is designed for you to save for your child’s future, so they can’t access the money until they are 18. However, the child can choose to look after their own account when they reach 16.
  • On your child’s 18th birthday, we’ll automatically transfer the money to an adult cash ISA from NS&I.
  • After you apply, we may need to ask for evidence of your and your child’s identity. If so, we’ll get in touch and explain what to do.
  • Tax-free means the interest is exempt from UK Income Tax.
  • AER (Annual Equivalent Rate) illustrates what the annual rate of interest would be if the interest was compounded each time it was paid. Where interest is paid annually, the quoted rate and the AER are the same.
Even easier to start saving

Already have a Junior ISA or Child Trust Fund?

Your child cannot have a Junior ISA and a Child Trust Fund (CTF) at the same time. And your child cannot have more than one cash Junior ISA. If your child has a CTF or a cash Junior ISA with another provider, you can transfer to an NS&I Junior ISA to take advantage of our interest rate and have 100% security for your child’s money.

Transfer in from another provider

Existing Premium Bonds Customers

Before you apply

Please read the brochure, which includes the customer agreement (terms and conditions) last updated on 9 December 2018.

Find out more information

Junior ISA

Apply now