How to Save for Your Children's Future in the UK

Why Saving for Children Matters

The financial landscape facing today's children in the UK is significantly more challenging than the one their parents navigated. University tuition fees of £9,250 per year mean that a three-year degree now costs students over £27,750 in fees alone, plus living costs of £10,000–£15,000 per year. A first home deposit in most UK cities requires £20,000–£60,000. Starting saving early for children — even with modest amounts — can give them a meaningful financial head start.

Junior ISA (JISA)

The Junior ISA is the primary savings vehicle for children in the UK. Key features:

• Available to all UK-resident children under 18 (who don't have a Child Trust Fund)
• Annual subscription limit: £9,000 per tax year (2025/26)
• Two types: Cash JISA or Stocks and Shares JISA
• All growth is tax-free
• The money belongs to the child and cannot be accessed until they turn 18 (except in cases of terminal illness)
• Anyone can contribute — parents, grandparents, aunts, uncles, family friends

At 18, the JISA automatically converts to an adult ISA, giving the child full control over the money.

Cash JISA vs Stocks and Shares JISA

For children who won't need the money for 10+ years (a newborn's JISA has 18 years to grow), a Stocks and Shares JISA invested in a global index fund will almost certainly outperform a Cash JISA over such a long period. Even saving just £50 per month from birth into a Stocks and Shares JISA, assuming 7% annual returns, produces approximately £20,000 by the child's 18th birthday.

A Cash JISA is more appropriate if the timeline is shorter or you're uncomfortable with investment risk.

Child Trust Funds

If your child was born between September 2002 and January 2011, they have a Child Trust Fund (CTF) — a government savings account that can't be converted to a JISA. The subscription limit is also £9,000 per year. CTF money becomes accessible at 18. If you've lost track of the CTF, HMRC can help locate it via the CTF helpline or online service.

Premium Bonds for Children

Parents and grandparents can buy Premium Bonds for children under 16. The same terms apply as for adult bonds: the prize fund rate is approximately 4.4%, prizes are tax-free, and the maximum holding is £50,000. Premium Bonds can be a useful complement to a JISA — particularly for grandparents who want a simple, government-backed way to save for grandchildren.

Saving Across the Family

Grandparents can often contribute meaningfully to children's savings. Rather than birthday and Christmas gifts that are used immediately, redirecting some gift money into a Junior ISA builds lasting wealth. Even £250 per year from grandparents from birth to 18 (total £4,500) invested at 7% grows to approximately £8,500 — a meaningful contribution to a house deposit.

University: Plan Early

Student loan debt in England currently carries an interest rate linked to RPI inflation (Plan 5, for students starting from 2023 onwards, has a lower rate capped at the Bank of England base rate plus 1%). Many graduates will repay some but not all of their loan before write-off at 30 years. Whether it makes financial sense to help children avoid student debt depends on their expected earnings trajectory — higher earners benefit more from parental contributions, as they'll repay more of the loan anyway.

If you want to help with university costs, building a pot over 18 years via a Stocks and Shares JISA is the most efficient approach. The child can then decide how to allocate it between university fees, living costs, and house deposit once they're 18.

The Conversation About Financial Literacy

Saving for children's futures is important — but equally important is raising children who understand money. Research consistently shows that financial habits are formed young. Involving children in age-appropriate financial conversations, giving pocket money with expectations of saving a portion, and discussing everyday financial decisions helps build financial literacy that will serve them throughout life.

The Money and Pensions Service offers free financial education resources for children and parents at moneyhelper.org.uk.

Conclusion

The Junior ISA — particularly a Stocks and Shares JISA invested in a global index fund — is the most powerful tool for building long-term savings for UK children. Even modest monthly contributions, started early, compound into meaningful sums by age 18. Combine this with involving the child in age-appropriate financial learning, and you're not just giving them money — you're giving them the knowledge to use it wisely.