Before you apply
- No withdrawals until the end of the term.
- The term is 5 years.
- 365 days' interest.
What you'd earn in a year
If you save
- Interest at 5.13% AER on a balance up to £250,000
- £257.00
- About
- £257.00
Before tax: about £257 each year on £5,000 for 5 years. Information only, not a recommendation.
Is my money safe?
FSCS protected: up to £120,000 per person, per banking licence.
This account is on the Tandem Bank Ltd licence.
Legal name: Tandem Bank Ltd.
Check protection on the FSCS website ↗ (opens in a new tab)Key facts
Money in and out
- Minimum deposit
- £0
- Max balance
- £250,000 (including transfers in), across all Tandem ISAs
- Transfers in
- Yes. Existing ISA transfers count towards this balance, not the yearly allowance.
- Withdrawals
- No withdrawals until the end of the term
- Manage
- App only
Interest
- Rate
- 5.13% AER fixed
- Paid
- Not yet checked
- Term
- 60 months
Who can open it
- ISA
- Cash ISA · flexible · transfers in
New money limited to your £20,000 yearly ISA allowance.
Source: tandem.co.uk · Last verified 17 Oct 2026, 09:38 UK time
Rate history
We started tracking this account on 14 Oct 2026. Further changes will show here.
Similar accounts
5 Year Fixed Rate Cash ISAShawbrook Bank5.25% AER5 Year Fixed ISAAldermore5.12% AERFixed Rate Cash ISA 3 YearTandem Bank · app only5.13% AERSee all cash isa accounts →
Don't miss a better rate
We will email you if a higher comparable rate appears. Two separate choices. Neither is ticked for you.