Children's Savings

Principality Building Society Dylan Advanced Saver Review

A competitive children's savings account from Principality Building Society. It ranks 23rd of 73 children's savings accounts we track.

Variable rate

3.35%AER

Account type
Easy access
Maximum age
15
Rate checked Oct 2026Got this account? Leave a review

Min balance

£1

Max balance

£50,000

Access

Instant

Interest paid

Yearly

How It Stacks Up

Ranks 23rd of 73

Children's savings accounts we track

Above average
This account 3.35%
UK CPI (Aug 2026)
3.10%
Pays 0.25% more
Average children's savings
2.92%
Pays 0.43% more
Best children's savings
5.50%
Pays 2.15% less

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

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Pros and cons

  • Pro: Savers who want instant access
  • Con: The rate is variable, so it can go down

Good to Know

£1 to £50,000. Interest added to the account yearly. Open to children up to 15; at 16 it moves to Principality's Instant Access Account or nearest equivalent.

Please verify all details with the provider – see our Disclaimer

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Estimated returns with Principality Building Society's Children's Savings

What you could earn with Principality Building Society's Dylan Advanced Saver.

Estimated interest

£1,000 saved

£33.50

At 3.35% AER

£5,000 saved

£168

At 3.35% AER

£10,000 saved

£335

At 3.35% AER

£50,000 saved

£1,675

At 3.35% 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.

Work out the tax on your interestSee how much of this interest could be taxed.

Our Expert Opinion on Principality Building Society Dylan Advanced Saver

Jonny PeaseCo-Founder, DepositScout

Principality's Dylan Advanced Saver pays 3.35% on balances from £1 up to £50,000, which nudges just 0.25% above CPI inflation of 3.1% as of August 2026, so real returns are modest. Market data isn't supplied, but Family Building Society and Nottingham Building Society both match it at 3.35%, so it's worth comparing on access and service before committing. The account suits parents or guardians wanting instant-access children's savings with a low entry point, though interest is only paid yearly rather than monthly.

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2 alternatives to Principality Building Society's Dylan Advanced Saver

Same type of account, closest on rate.

Common questions about the Dylan Advanced Saver

D

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Nationwide FlexSaver Rate Down
4.20% AER
4.75%
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