Cash ISA

Marsden Building Society Branch Cash ISA 120 Review

A notice cash ISA from Marsden Building Society, with a £1,000 minimum deposit. It ranks 12th of 24 notice cash ISAs we track.

Variable rate

3.20%AER

Rate checked Oct 2026Got this account? Leave a review

Protection

FSCS£120,000

Min balance

£1,000

Max balance

£250,000

Access

120 Days

Interest paid

Annually

Transfers in

Accepted

How It Stacks Up

Ranks 12th of 24

Notice cash ISAs we track

Just above average
This account 3.20%
UK CPI (Aug 2026)
3.10%
Pays 0.10% more
Average notice cash ISA
3.19%
About the same
Best notice cash ISA
4.04%
Pays 0.84% less

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

Compare cash ISAs

A Good Fit For

  • Pro: New and existing savers

Worth Weighing Up

  • Con: The rate is variable, so it can go down
  • Con: You need at least £1,000 to open it
  • Con: Not flexible: money you withdraw can't be replaced without using more allowance

Good to Know

Opened and operated in branch.

Please verify all details with the provider – see our Disclaimer

See all Marsden Building Society accounts

Estimated returns with Marsden Building Society's Cash ISA

What you could earn with Marsden Building Society's Branch Cash ISA 120.

Estimated interest

£1,000 saved

£32.00

At 3.2% AER

£5,000 saved

£160

At 3.2% AER

£10,000 saved

£320

At 3.2% AER

£250,000 saved

£8,000

At 3.2% 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 Marsden Building Society Branch Cash ISA 120

Jonny PeaseCo-Founder, DepositScout

Marsden Building Society's Branch Cash ISA 120 pays 3.20%, which is below the market average for Cash ISAs and sits 2.05% behind the category leader at 5.25%, so I would not consider this rate competitive. It just edges above CPI inflation at 3.1% (Aug 2026) by 0.10%, which is a thin real return. The 120-day notice period is the main catch, and you need at least £1,000 to open. If you want a notice ISA with a shorter wait and a better rate, Swansea Building Society's 90 Day Notice Cash ISA pays 4.00%.

Compare Cash ISAs

1 alternatives to Marsden Building Society's Branch Cash ISA 120

Same type of account, closest on rate.

Common questions about the Branch Cash ISA 120

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