Before you apply
- No withdrawals until the end of the term.
- The term is 15 months.
- 120 days' interest.
What you'd earn in a year
If you save
- Interest at 4.75% AER on a balance up to £500,000
- £238.00
- About
- £238.00
Before tax: about £238 a year on £5,000 for 15 months. The term is 15 months, so this is a year of the AER, not the interest over the term. 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 Paragon Bank plc licence.
Legal name: Paragon Bank plc.
Check protection on the FSCS website ↗ (opens in a new tab)Key facts
Money in and out
- Minimum deposit
- £500
- Max balance
- £500,000 (including transfers in)
- Transfers in
- Yes. Existing ISA transfers count towards this balance, not the yearly allowance.
- Withdrawals
- No withdrawals until the end of the term
- Manage
- Online
Interest
- Rate
- 4.75% AER fixed
- Gross rate
- 4.73%
- Interest paid
- Monthly or annually
- Term
- 15 months
Who can open it
- ISA
- Cash ISA · flexible · transfers in
New money limited to your £20,000 yearly ISA allowance.
Source: paragonbank.co.uk · Last verified 17 Oct 2026, 09:52 UK time
Rate history
2 stored rates, from 14 Oct 2026 to 17 Oct 2026.
Similar accounts
5 Year Fixed Rate Cash ISAShawbrook Bank5.25% AERFixed Rate Cash ISA 3 YearTandem Bank · app only5.13% AERFixed Rate Cash ISA 5 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.