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Family Building Society Junior Cash ISA Review3.70% AER (Sep 2026)

Junior ISA from Family Building Society

Protection

FSCS

Up to £120,000

Min balance

£1

Max balance

£9,000

Access

Locked until 18

Interest paid

Annually

Transfers in

Accepted

Rate Tiers

£3,000+3.70%
£1 – £2,999.993.45%
  • Savers happy with a £9,000 cap

Additional Info

Branch or post only - cannot be opened or managed online.

Please verify all details with the provider – for more info read our Disclaimer

Estimated returns with Family Building Society's Junior ISA

Want to know how much interest you will receive with Family Building Society's Junior Cash ISA?

Estimated interest

£1,000 saved

£34.50

At 3.45% AER

£5,000 saved

£185

At 3.7% AER

£9,000 saved

£333

At 3.7% AER

Estimated over one year, assuming the rate stays the same and interest stays in the account. Amounts outside this account's minimum or maximum balance are left out.

Our Expert Opinion on Family Building Society Junior Cash ISA

This account suits parents or grandparents who want a straightforward, tax-free home for a child's savings and are happy to drip money in from as little as £1. The rate of 3.70% AER is competitive, and the account accepts transfers in from existing Junior ISAs, which is useful if you want to consolidate. The real catch is that the money is completely locked away until the child turns 18, with the only exceptions being terminal illness or death, so this is genuinely long-term money. If you want to shop around, Coventry Building Society's Junior Cash ISA is currently paying 3.75%.

Compare Junior ISAs

3 alternatives to Family Building Society's Junior Cash ISA

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