Investec Fixed Rate Cash ISA Review

One of the best-paying one-year cash ISAs, from Investec, with a £1,000 minimum deposit. It ranks 2nd of 58 one-year cash ISAs we track.

Fixed rate · 1 year

4.95%AER

Protection

FSCS£120,000

Min balance

£1,000

Max balance

£1,000,000

Access

At maturity only

Interest paid

Annually

Transfers in

Accepted

How It Stacks Up

Ranks 2nd of 58

1-year cash ISAs we track

Among the best
This account 4.95%
UK CPI (Aug 2026)
3.10%
Pays 1.85% more
Average 1-year cash ISA
4.43%
Pays 0.52% more
Best 1-year cash ISA
4.97%
About the same

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: Your money is locked in for 1 year
  • 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

Once the account is open, you’ll have seven calendar days to fund it with at least £1,000. You can fund it from your linked account or, if you have one, your Online Flexi Saver or you can transfer funds from an Investec Save Instant Access Cash ISA. Multiple deposits are allowed during this window, up to your £20,000 annual ISA allowance.

Please verify all details with the provider – see our Disclaimer

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Estimated returns with Investec's Cash ISA

What you could earn with Investec's Fixed Rate Cash ISA.

Estimated interest

£1,000 saved

£49.50

At 4.95% AER

£5,000 saved

£248

At 4.95% AER

£10,000 saved

£495

At 4.95% AER

£1,000,000 saved

£49,500

At 4.95% 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 Investec Fixed Rate Cash ISA

Jan WatermannCo-Founder, DepositScout

Investec's one-year Fixed Rate Cash ISA pays 4.95%, which sits above the cash ISA market average but 0.30% behind the category leader at 5.25%, so it is solid without being the best available. At 1.85% above August 2026 CPI of 3.1%, your money does at least grow in real terms. The minimum is £1,000 and transfers in are accepted, making it a reasonable home for existing ISA money. The main catch is that access is locked until maturity, and early closure costs 90 days' interest deducted from your balance.

Compare Cash ISAs

2 alternatives to Investec's Fixed Rate Cash ISA

Same type of account, closest on rate.

Common questions about the Fixed Rate Cash ISA

D

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