Coventry Building Society Fixed Rate ISA 31.12.2028 Review

A two-year cash ISA from Coventry Building Society. It ranks 36th of 44 two-year cash ISAs we track.

Fixed rate · 26 months

4.10%AER

Protection

FSCS£120,000

Min balance

£1

Max balance

£20,000

Access

31.12.2028

Interest paid

Monthly/Annually

Transfers in

Accepted

Rate Tiers

£0.01+ (annual interest)

4.10%AER

Tax-free p.a./AER

£0.01+ (monthly interest)

4.02%AER

Gross p.a. (AER 4.09%)

How It Stacks Up

Ranks 36th of 44

2-year cash ISAs we track

Below average
This account 4.10%
UK CPI (Aug 2026)
3.10%
Pays 1.00% more
Average 2-year cash ISA
4.50%
Pays 0.40% less
Best 2-year cash ISA
5.05%
Pays 0.95% less

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

Compare cash ISAs

A Good Fit For

  • Pro: New and existing savers
  • Pro: Savers who want a monthly income

Worth Weighing Up

  • Con: Not flexible: money you withdraw can't be replaced without using more allowance

Good to Know

Coventry Building Society must receive the first payment into the account, and any other payments in (including ISA transfer instructions) within 14 calendar days of accepting your application.

Please verify all details with the provider – see our Disclaimer

See all Coventry Building Society accounts

Estimated returns with Coventry Building Society's Cash ISA

What you could earn with Coventry Building Society's Fixed Rate ISA 31.12.2028.

Estimated interest

£1,000 saved

£90.96

At 4.1% AER

£5,000 saved

£455

At 4.1% AER

£10,000 saved

£910

At 4.1% AER

£20,000 saved

£1,819

At 4.1% AER

Estimated over the 26-month term, 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 Coventry Building Society Fixed Rate ISA 31.12.2028

Jan WatermannCo-Founder, DepositScout

This account pays 4.10% until 31.12.2028, which sits 1.02% below the current Cash ISA market leader at 5.12%, and below the market average, so it is hard to recommend on rate alone. If you opt for monthly interest, note that drops to a gross rate of 4.02% and must be paid into a separate account. It does at least beat August 2026 CPI of 3.1% by 1.00%. Savers who want a fixed ISA should look at alternatives like Buckinghamshire Building Society at 4.87% first.

Compare Cash ISAs

2 alternatives to Coventry Building Society's Fixed Rate ISA 31.12.2028

Same type of account, closest on rate.

Common questions about the Fixed Rate ISA 31.12.2028

D

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