Saving Goals

Saving for Your Children: Junior ISAs, NS&I, and Trust Funds

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If you start saving for a child from birth, compound interest has 18 years to work its magic. Even modest monthly contributions grow into meaningful sums by the time they reach adulthood. Whether it's for university, a first car, a house deposit, or simply a financial head start, here are the best ways to save for children in the UK.

Junior ISAs

A Junior ISA (JISA) is the most popular children's savings vehicle. Any UK child under 18 can have one. The annual allowance is £9,000 per tax year, and all growth is completely tax-free. There are two types: Junior Cash ISA: Works like a regular savings account with a guaranteed interest rate. Currently around 4-5% AER. Capital is safe but returns are lower. Junior Stocks and Shares ISA: Invested in funds, shares, or bonds. Higher growth potential over the long term but capital is at risk. Over an 18-year horizon, stocks historically significantly outperform cash. The money is locked until the child turns 18, at which point they can access it (or it converts to an adult ISA if they don't withdraw). You can't get the money back once it's in — it belongs to the child.

NS&I Premium Bonds for Children

You can buy Premium Bonds for anyone aged 16 or over, or a parent/guardian can buy them for a child under 16. The maximum holding is £50,000. For children, Premium Bonds offer 100% security (government-backed), tax-free prizes, and the excitement of the monthly draw. They're also outside the child's estate for inheritance tax purposes. The downside is unpredictable returns — with small holdings, a child might win nothing for months.

Regular Children's Savings Accounts

Most high-street banks offer children's savings accounts with competitive interest rates — often higher than adult equivalents. Halifax, Nationwide, and several building societies regularly offer 3-5% on children's accounts. These aren't locked until 18 like JISAs, so you can access the money if needed (though this removes the protection against impulse withdrawals). Be aware of the child's tax position: children have their own personal allowance (£12,570) and savings allowance. But if savings interest exceeds £100 and the money came from a parent, it's taxed as the parent's income. Money from grandparents doesn't have this restriction.

How Much to Save

Small regular amounts compound powerfully over 18 years:
  • •£25/month into a Junior Stocks and Shares ISA averaging 7% growth = approximately £10,500 at age 18.
  • •£50/month under the same conditions = approximately £21,000.
  • •£100/month = approximately £42,000.
  • •Even £10/month is worth doing: that's roughly £4,200 over 18 years with growth.
  • •A lump sum invested at birth works even harder. £1,000 invested at birth in a Stocks and Shares JISA averaging 7% = approximately £3,380 at age 18 — more than tripled, with no additional contributions.

Grandparents and Family Contributions

Grandparents and other family members can contribute to a child's JISA or savings account. This is often a better birthday or Christmas gift than another toy. Setting up a regular contribution for grandparents is easy — give them the JISA account details or set up a standing order from their account. Remember: money from grandparents doesn't trigger the £100 parental income tax rule, making it more tax-efficient than parental contributions for larger amounts.

FAQ

What if my child wastes the money at 18?+

This is the main risk with JISAs — the child gains full control at 18. You can't prevent them from withdrawing everything. Mitigation: educate your child about money throughout their childhood. Involve them in financial decisions. A child who understands compound interest and has savings goals is far less likely to blow the lot.

Junior ISA or pension for a child?+

A Junior SIPP (Self-Invested Personal Pension) is available for children, with tax relief on contributions up to £2,880 net (topped up to £3,600 by the government). But the money is locked until they're 57+. A JISA is usually more practical — accessible at 18 for education or a house deposit.

Can I have both a Junior Cash ISA and Junior Stocks and Shares ISA?+

Yes. A child can have one of each, with the combined contributions not exceeding the £9,000 annual limit. Some parents split between both for diversification.

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