Moneyfarm Cash ISA Review

A competitive cash ISA from Moneyfarm. It ranks 32nd of 137 cash ISAs we track.

Variable rate

3.87%AER

Then 3.57% after 12 months

Protection

FSCS£85,000 (investment)

Min balance

£500

Max balance

£20,000

Access

Instant (up to 3 withdrawals/transfers-out per year)

Interest paid

Daily/monthly

Transfers in

Accepted

The Rate You'll Get

1st year (new customers)

3.87%AER

Boosted rate for first 12 months; requires £500+ balance and max 3 outbound movements per year

After 1st year / existing

3.57%AER

Standard base rate after introductory period, or for existing customers opening a new Cash ISA

After 3rd withdrawal in a year

3.57%AER

Rate drops to base rate if more than 3 outbound movements made in a 12-month period

How It Stacks Up

Ranks 32nd of 137

Cash ISAs we track

Above average
This account 3.87%
UK CPI (Aug 2026)
3.10%
Pays 0.77% more
Average cash ISA
2.98%
Pays 0.89% more
Best cash ISA
4.87%
Pays 1.00% 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 0.73% more than this Moneyfarm 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 a monthly income

Worth Weighing Up

  • Con: Rate drops to 3.57% after 12 months
  • Con: The rate is variable, so it can go down

Good to Know

3.87% AER is the new-customer rate; existing customers opening a new Cash ISA get 3.57% AER. Rate drops if balance falls below £500 or more than 3 withdrawals are made per year.

Please verify all details with the provider – see our Disclaimer

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Estimated returns with Moneyfarm's Cash ISA

What you could earn with Moneyfarm's Cash ISA.

Estimated interest

£1,000 saved

£38.70

At 3.87% AER

£5,000 saved

£193

At 3.87% AER

£10,000 saved

£387

At 3.87% AER

£20,000 saved

£774

At 3.87% 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 Moneyfarm Cash ISA

Jan WatermannCo-Founder, DepositScout

Moneyfarm's Cash ISA pays 3.87% AER for new customers in the first 12 months, dropping to 3.57% after that or if you make more than three withdrawals in a year, so the access is more restricted than it looks. At 1.25% below the Cash ISA market leader at 5.12%, this sits below the market average, and I would treat the 3.87% as a short-term headline rather than a lasting rate. It does beat August 2026 CPI of 3.1% by 0.77%, and the £500 minimum is worth noting if you are starting small.

Compare Cash ISAs

2 alternatives to Moneyfarm's Cash ISA

Same type of account, closest on rate.

Common questions about the Cash ISA

D

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