Compare fixed rate cash ISAs
Is my money safe?
The FSCS guarantees that the first £85,000 you have saved with a registered bank or building society will be safe even if the business goes bust. However, we can't guarantee that all non-affiliated products on our panel are covered by the FSCS.
305 results found, sorted by highest interest rate. We always order products with our partners first and we may receive a small commission if you click on the deal and then purchase it. Find out how we order our comparisons.
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Paragon 15 Month Fixed Rate Cash ISA
Term
15 months
Open with
£500
Interest rate
4.28% AER fixed
Protection scheme
FSCS
ISA transfers in
Accepted
Withdrawals and closure are permitted subject to 120 days interest penalty.
More Information
Rate Tiers
| Gross rate | Gross rate | AER rate | AER rate | |
|---|---|---|---|---|
| Excluding bonus | Including bonus | Excluding bonus | Including bonus | |
| £500 | 4.27% | 4.27% | 4.28% | 4.28% |
Eligibility
| Maximum Age | Unlimited |
| Minimum Initial Deposit | £500 |
| Minimum Age | 18 years |
| Permanent UK Resident |
Paragon 1 Year Fixed Rate ISA
Term
1 year
Open with
£500
Interest rate
4.15% AER fixed
Protection scheme
FSCS
ISA transfers in
Accepted
Withdrawals and closure are permitted subject to 90 days interest penalty.
More Information
Rate Tiers
| Gross rate | Gross rate | AER rate | AER rate | |
|---|---|---|---|---|
| Excluding bonus | Including bonus | Excluding bonus | Including bonus | |
| £500 | 4.15% | 4.15% | 4.15% | 4.15% |
Eligibility
| Maximum Age | Unlimited |
| Minimum Initial Deposit | £500 |
| Minimum Age | 18 years |
| Permanent UK Resident |
Skipton 15 Month Fixed Rate Cash ISA Issue 280.5
Term
15 months
Open with
£5,000
Interest rate
4.13% AER fixed
Protection scheme
FSCS
ISA transfers in
Accepted
Withdrawals are not allowed. Closure is permitted subject to 90 days loss of interest.
More Information
Rate Tiers
| Gross rate | Gross rate | AER rate | AER rate | |
|---|---|---|---|---|
| Excluding bonus | Including bonus | Excluding bonus | Including bonus | |
| £5,000 | 4.13% | 4.13% | 4.13% | 4.13% |
Eligibility
| Maximum Age | Unlimited |
| Minimum Initial Deposit | £5,000 |
| Minimum Age | 18 years |
| Permanent UK Resident |
Leeds Building Society 1 Year Fixed Rate ISA Issue 219
Term
03 Aug 2026
Open with
£100
Interest rate
4.12% AER fixed
Protection scheme
FSCS
ISA transfers in
Accepted
Withdrawals are subject to 90 days loss of interest.
More Information
Rate Tiers
| Gross rate | Gross rate | AER rate | AER rate | |
|---|---|---|---|---|
| Excluding bonus | Including bonus | Excluding bonus | Including bonus | |
| £100 | 4.12% | 4.12% | 4.12% | 4.12% |
Eligibility
| Maximum Age | Unlimited |
| Minimum Initial Deposit | £100 |
| Minimum Age | 18 years |
| Minimum Monthly Investment | £1 |
| Permanent UK Resident |
Royal Bank of Scotland 1 Year Fixed Rate ISA Issue 376
Term
29 Jul 2026
Open with
£1,000
Interest rate
4.1% AER fixed
Protection scheme
FSCS
ISA transfers in
Accepted
UK residents, 18+, sole accounts only. Must be the only cash ISA subscribed to this tax year. Criteria, conditions & early closure charges apply. Available until 05:00 PM on 04/07/2025 to new customers and 09/07/2025 to existing customers. May be withdrawn early
Withdrawals are not permitted. Closure is subject to a penalty equal to the amount of interest earned on the account or 90 days' loss of interest, whichever is lower, although capital is guaranteed.
More Information
Rate Tiers
| Gross rate | Gross rate | AER rate | AER rate | |
|---|---|---|---|---|
| Excluding bonus | Including bonus | Excluding bonus | Including bonus | |
| £1,000 | 4.1% | 4.1% | 4.1% | 4.1% |
Eligibility
| Maximum Age | Unlimited |
| Minimum Initial Deposit | £1,000 |
| Minimum Age | 18 years |
| Permanent UK Resident |
NatWest 1 Year Fixed Rate ISA Issue 376
Term
29 Jul 2026
Open with
£1,000
Interest rate
4.1% AER fixed
Protection scheme
FSCS
ISA transfers in
Accepted
UK residents, 18+, sole accounts only. Must be the only cash ISA subscribed to this tax year. Criteria, conditions & early closure charges apply. Available until 05:00 PM on 04/07/2025 to new customers and 09/07/2025 to existing customers. May be withdrawn early
Withdrawals are not permitted. Closure is subject to a penalty equal to the amount of interest earned on the account or 90 days' loss of interest, whichever is lower, although capital is guaranteed.
More Information
Rate Tiers
| Gross rate | Gross rate | AER rate | AER rate | |
|---|---|---|---|---|
| Excluding bonus | Including bonus | Excluding bonus | Including bonus | |
| £1,000 | 4.1% | 4.1% | 4.1% | 4.1% |
Eligibility
| Maximum Age | Unlimited |
| Minimum Initial Deposit | £1,000 |
| Minimum Age | 18 years |
| Permanent UK Resident |
Aldermore 2 Year Fixed Rate Cash ISA
Term
2 years
Open with
£1,000
Interest rate
4.06% AER fixed
Protection scheme
FSCS
ISA transfers in
Accepted
Withdrawals and closure permitted subject to 180 days loss of interest penalty.
More Information
Rate Tiers
| Gross rate | Gross rate | AER rate | AER rate | |
|---|---|---|---|---|
| Excluding bonus | Including bonus | Excluding bonus | Including bonus | |
| £1,000 | 4.06% | 4.06% | 4.06% | 4.06% |
Eligibility
| Maximum Age | Unlimited |
| Minimum Initial Deposit | £1,000 |
| Minimum Age | 18 years |
| Permanent UK Resident |
Aldermore 3 Year Fixed Rate Cash ISA
Term
3 years
Open with
£1,000
Interest rate
4.05% AER fixed
Protection scheme
FSCS
ISA transfers in
Accepted
Withdrawals and closure permitted subject to 180 days loss of interest penalty.
More Information
Rate Tiers
| Gross rate | Gross rate | AER rate | AER rate | |
|---|---|---|---|---|
| Excluding bonus | Including bonus | Excluding bonus | Including bonus | |
| £1,000 | 4.05% | 4.05% | 4.05% | 4.05% |
Eligibility
| Maximum Age | Unlimited |
| Minimum Initial Deposit | £1,000 |
| Minimum Age | 18 years |
| Permanent UK Resident |
Leeds Building Society 3 Year Fixed Rate ISA Issue 166
Term
31 Jul 2028
Open with
£100
Interest rate
4% AER fixed
Protection scheme
FSCS
ISA transfers in
Accepted
Withdrawals and closure subject to 240 days loss of interest.
More Information
Rate Tiers
| Gross rate | Gross rate | AER rate | AER rate | |
|---|---|---|---|---|
| Excluding bonus | Including bonus | Excluding bonus | Including bonus | |
| £100 | 4% | 4% | 4% | 4% |
Eligibility
| Maximum Age | Unlimited |
| Minimum Initial Deposit | £100 |
| Minimum Age | 18 years |
| Minimum Monthly Investment | £1 |
| Permanent UK Resident |
Leeds Building Society 5 Year Fixed Rate ISA Issue 159
Term
31 Jul 2030
Open with
£100
Interest rate
4% AER fixed
Protection scheme
FSCS
ISA transfers in
Accepted
Withdrawals and closure subject to 365 days loss of interest.
More Information
Rate Tiers
| Gross rate | Gross rate | AER rate | AER rate | |
|---|---|---|---|---|
| Excluding bonus | Including bonus | Excluding bonus | Including bonus | |
| £100 | 4% | 4% | 4% | 4% |
Eligibility
| Maximum Age | Unlimited |
| Minimum Initial Deposit | £100 |
| Minimum Age | 18 years |
| Minimum Monthly Investment | £1 |
| Permanent UK Resident |