Dudley Building Society Junior Cash ISA Review

A Junior ISA from Dudley Building Society. It ranks 16th of 22 Junior ISAs we track.

Headline rate

3.10%AER

Protection

FSCS£120,000

Min balance

£100

Max balance

£500,000

Access

Locked until 18

Interest paid

Annually

How It Stacks Up

Ranks 16th of 22

Junior ISAs we track

Below average
This account 3.10%
UK CPI (Aug 2026)
3.10%
About the same
Average Junior ISA
3.23%
Pays 0.13% less
Best Junior ISA
3.85%
Pays 0.75% less

Inflation: ONS. Averages and best rates: accounts on DepositScout.

Compare Junior ISAs

Pros and cons

  • Pro: New and existing savers
  • Con: The money is locked in until the child turns 18

Good to Know

The account must be opened and operated by a registered contact who will have parental responsibility for the child. After the age of 16 the young person can open a Cash Junior ISA and be the registered contact in their own right. . On the Child's 18th birthday the funds in the account will be reinvested into a Cash ISA Instant. At this time we will write to you (and the operator if your account has one) detailing other accounts available to you. We may also require a new application form to be completed and additional identification from you at this time. Further information about ISAs can be obtained on the HM Revenue & Customers website www.hmrc.gov.uk. Transfers may be permitted in accordance with Junior ISA guidelines. Child Trust Fund transfers to Junior ISAs are accepted. If the child holds a Child Trust Fund it must be transferred as part of your application.

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Estimated returns with Dudley Building Society's Junior ISA

What you could earn with Dudley Building Society's Junior Cash ISA.

Estimated interest

£1,000 saved

£31.00

At 3.1% AER

£5,000 saved

£155

At 3.1% AER

£10,000 saved

£310

At 3.1% AER

£500,000 saved

£15,500

At 3.1% AER

Estimated over one year, if the rate stays the same and interest is left in. Amounts outside the account's minimum or maximum aren't shown.

Our Expert Opinion on Dudley Building Society Junior Cash ISA

Jan WatermannCo-Founder, DepositScout

Dudley Building Society's Junior Cash ISA pays 3.10%, which is below the Junior ISA market average and 0.75% behind the category leader at 3.85%, so parents or guardians who are rate-focused should look elsewhere. At 3.10% the return exactly matches August 2026 CPI of 3.1%, meaning the money is barely holding its real value. The £100 minimum is accessible enough, but the fundamental catch is that the money is locked until the child turns 18 with no early access. TSB pays 3.15% and Market Harborough BS reaches 3.40% if you want a straightforward step up.

Compare Junior ISAs

2 alternatives to Dudley Building Society's Junior Cash ISA

Same type of account, closest on rate.

Common questions about the Junior Cash ISA

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