Dudley Building Society Branch Instant Access ISA Review

A competitive cash ISA from Dudley Building Society. It ranks 50th of 137 cash ISAs we track.

Variable rate

3.65%AER

Protection

FSCS£120,000

Min balance

£100

Max balance

£500,000

Access

Instant

Interest paid

Annually

Transfers in

Accepted

How It Stacks Up

Ranks 50th of 137

Cash ISAs we track

Above average
This account 3.65%
UK CPI (Aug 2026)
3.10%
Pays 0.55% more
Average cash ISA
2.98%
Pays 0.67% more
Best cash ISA
4.87%
Pays 1.22% less

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

A better-paying alternative

Trading 212 bank logo

Trading 212

Cash ISA

4.60%

AER

  • Pays 0.95% more than this Dudley Building Society account
  • Includes a 1.00% bonus for 12 months, then 3.60%
Compare Cash ISAs

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A Good Fit For

  • Pro: New and existing savers
  • Pro: Savers who want instant access

Worth Weighing Up

  • Con: The rate is variable, so it can go down

Good to Know

Further information about ISAs can be obtained on the HM Revenue & Customers website www.hmrc.gov.uk. We accept ISA transfers into this account. To find out more about our ISA transfer procedure, visit our ISA transfers page linked below. https://www.dudleybuildingsociety.co.uk/savings/existing-customers/isa-transfers/.

Please verify all details with the provider – see our Disclaimer

See all Dudley Building Society accounts

Estimated returns with Dudley Building Society's Cash ISA

What you could earn with Dudley Building Society's Branch Instant Access ISA.

Estimated interest

£1,000 saved

£36.50

At 3.65% AER

£5,000 saved

£182

At 3.65% AER

£10,000 saved

£365

At 3.65% AER

£500,000 saved

£18,250

At 3.65% 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 Branch Instant Access ISA

Jonny PeaseCo-Founder, DepositScout

Dudley Building Society's Branch Instant Access ISA pays 3.65%, which is below the cash ISA market average and 1.47% behind the category leader at 5.12%, so this is hard to recommend on rate alone. It does at least beat August 2026 CPI inflation of 3.1% by 0.55%, and accepts transfers in with a low £100 minimum. If you want instant access with a better return, Tembo's Standard Cash ISA pays 4.00% and Kent Reliance's Branch Easy Access ISA pays 3.85%.

Compare Cash ISAs

2 alternatives to Dudley Building Society's Branch Instant Access ISA

Same type of account, closest on rate.

Common questions about the Branch Instant Access ISA

D

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Nationwide FlexSaver Rate Down
4.20% AER
4.75%
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