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Accounts ordered by rate. Every rate is checked at the provider's own website.

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23 accounts (2 more accounts with conditions · show them)

Sorted by highest rate · Checked 17 Oct 2026, 17:30

We may earn a fee if you open an account through a paid link. The top 5 results are never ads. Fees never change the order.

  1. App-onlyFlexible

    Fixed Rate Cash ISA 3 Year

    Tandem Bank

    Read customer reviews on Trustpilot ↗ (opens in a new tab)

    Cash ISA · 3 years · Checked 8 minutes ago · verified at source · Report a wrong rate

    5.13%AER fixedMax balance £250,000 (including transfers in), across all Tandem ISAsMinimum deposit £0

    Transfers in: yes. Existing ISA transfers count towards this balance, not the yearly allowance.

    New money limited to your £20,000 yearly ISA allowance.

    FSCS protected · limit shared with Tandem Bank Ltd

    Interest paid: not yet checked

    View details: Fixed Rate Cash ISA 3 Year
  2. App-onlyFlexible

    Fixed Rate Cash ISA 5 Year

    Tandem Bank

    Read customer reviews on Trustpilot ↗ (opens in a new tab)

    Cash ISA · 5 years · Checked 8 minutes ago · verified at source · Report a wrong rate

    5.13%AER fixedMax balance £250,000 (including transfers in), across all Tandem ISAsMinimum deposit £0

    Transfers in: yes. Existing ISA transfers count towards this balance, not the yearly allowance.

    New money limited to your £20,000 yearly ISA allowance.

    FSCS protected · limit shared with Tandem Bank Ltd

    Interest paid: not yet checked

    View details: Fixed Rate Cash ISA 5 Year
  3. App-onlyFlexible

    Fixed Rate Cash ISA 2 Year

    Tandem Bank

    Read customer reviews on Trustpilot ↗ (opens in a new tab)

    Cash ISA · 2 years · Checked 8 minutes ago · verified at source · Report a wrong rate

    5.08%AER fixedMax balance £250,000 (including transfers in), across all Tandem ISAsMinimum deposit £0

    Transfers in: yes. Existing ISA transfers count towards this balance, not the yearly allowance.

    New money limited to your £20,000 yearly ISA allowance.

    FSCS protected · limit shared with Tandem Bank Ltd

    Interest paid: not yet checked

    View details: Fixed Rate Cash ISA 2 Year
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  5. App-onlyFlexible

    Fixed Rate Cash ISA 1 Year

    Tandem Bank

    Read customer reviews on Trustpilot ↗ (opens in a new tab)

    Cash ISA · 1 year · Checked 8 minutes ago · verified at source · Report a wrong rate

    4.85%AER fixedMax balance £250,000 (including transfers in), across all Tandem ISAsMinimum deposit £0

    Transfers in: yes. Existing ISA transfers count towards this balance, not the yearly allowance.

    New money limited to your £20,000 yearly ISA allowance.

    FSCS protected · limit shared with Tandem Bank Ltd

    Interest paid: not yet checked

    View details: Fixed Rate Cash ISA 1 Year
  6. 4.75%AER variableMinimum deposit not confirmed

    Transfers in: yes

    New money limited to the £4,000 yearly Lifetime ISA allowance. That counts towards the £20,000 yearly ISA allowance.

    FSCS protected · limit shared with Held across a panel of banks

    Interest paid: not yet checked

    View details: Cash Lifetime ISA
  7. 4.34%AER variableMax balance £2,000,000 (including transfers in). Applies across all your Monument accountsMinimum deposit £10,000

    Transfers in: yes

    New money limited to your £20,000 yearly ISA allowance.

    FSCS protected · limit shared with Monument Bank Ltd

    Interest: Monthly

    View details: Easy Access Cash ISA Boosted Rate
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