Compare our best fixed Cash ISA rates

Maximize your tax-free savings with the top fixed rate cash ISAs. Find the best deals and lock in high interest rates to ensure guaranteed returns.

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Paragon 1 Year Fixed Rate ISA
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Fixed Cash ISA deals

320 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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Hargreaves Lansdown Active Savings Chetwood Bank - 1 Year Fixed Term ISA

Term
11 Sep 2026
Open with
£1,000
Interest rate
4.32% AER fixed
Protection scheme
FSCS
ISA transfers in
Not accepted
Withdrawals are not permitted during the term. Closure is permitted subject to 90 days loss of interest.
More Information
Rate Tiers
Gross rateGross rateAER rateAER rate
Excluding bonusIncluding bonusExcluding bonusIncluding bonus
£1,0004.32%4.32%4.32%4.32%
Eligibility
Maximum AgeUnlimited
Minimum Initial Deposit£1,000
Minimum Age18 years
Permanent UK Resident

Aldermore 3 Year Fixed Rate Cash ISA

Term
3 years
Open with
£1,000
Interest rate
4.22% 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 rateGross rateAER rateAER rate
Excluding bonusIncluding bonusExcluding bonusIncluding bonus
£1,0004.22%4.22%4.22%4.22%
Eligibility
Maximum AgeUnlimited
Minimum Initial Deposit£1,000
Minimum Age18 years
Permanent UK Resident

Aldermore 2 Year Fixed Rate Cash ISA

Term
2 years
Open with
£1,000
Interest rate
4.21% 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 rateGross rateAER rateAER rate
Excluding bonusIncluding bonusExcluding bonusIncluding bonus
£1,0004.21%4.21%4.21%4.21%
Eligibility
Maximum AgeUnlimited
Minimum Initial Deposit£1,000
Minimum Age18 years
Permanent UK Resident

Aldermore 1 Year Fixed Rate Cash ISA

Term
1 year
Open with
£1,000
Interest rate
4.2% AER fixed
Protection scheme
FSCS
ISA transfers in
Accepted
Withdrawals and closure permitted subject to 90 days loss of interest penalty.
More Information
Rate Tiers
Gross rateGross rateAER rateAER rate
Excluding bonusIncluding bonusExcluding bonusIncluding bonus
£1,0004.2%4.2%4.2%4.2%
Eligibility
Maximum AgeUnlimited
Minimum Initial Deposit£1,000
Minimum Age18 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 rateGross rateAER rateAER rate
Excluding bonusIncluding bonusExcluding bonusIncluding bonus
£5004.15%4.15%4.15%4.15%
Eligibility
Maximum AgeUnlimited
Minimum Initial Deposit£500
Minimum Age18 years
Permanent UK Resident

Skipton 15 Month Fixed Rate Cash ISA Issue 286 Monthly

Term
15 months
Open with
£5,000
Interest rate
4.09% 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 rateGross rateAER rateAER rate
Excluding bonusIncluding bonusExcluding bonusIncluding bonus
£5,0004.02%4.02%4.09%4.09%
Eligibility
Maximum AgeUnlimited
Minimum Initial Deposit£5,000
Minimum Age18 years
Permanent UK Resident

Paragon 5 Year Fixed Rate ISA

Term
5 years
Open with
£500
Interest rate
4.05% AER fixed
Protection scheme
FSCS
ISA transfers in
Accepted
Withdrawals and closure are permitted subject to 365 days interest penalty.
More Information
Rate Tiers
Gross rateGross rateAER rateAER rate
Excluding bonusIncluding bonusExcluding bonusIncluding bonus
£5004.05%4.05%4.05%4.05%
Eligibility
Maximum AgeUnlimited
Minimum Initial Deposit£500
Minimum Age18 years
Permanent UK Resident

Yorkshire Building Society 4.00% Fixed Rate e-ISA to 31/10/2026

Term
31 Oct 2026
Open with
£100
Interest rate
4% AER fixed
Protection scheme
FSCS
ISA transfers in
Accepted
No withdrawals permitted before maturity. Early closure is permitted with the loss of 90 days interest.
More Information
Rate Tiers
Gross rateGross rateAER rateAER rate
Excluding bonusIncluding bonusExcluding bonusIncluding bonus
£1004%4%4%4%
Eligibility
Maximum AgeUnlimited
Minimum Initial Deposit£100
Minimum Age18 years
Minimum Monthly Investment£10
Permanent UK Resident

Paragon 2 Year Fixed Rate ISA

Term
2 years
Open with
£500
Interest rate
4% AER fixed
Protection scheme
FSCS
ISA transfers in
Accepted
Withdrawals and closure are permitted subject to 180 days interest penalty.
More Information
Rate Tiers
Gross rateGross rateAER rateAER rate
Excluding bonusIncluding bonusExcluding bonusIncluding bonus
£5004%4%4%4%
Eligibility
Maximum AgeUnlimited
Minimum Initial Deposit£500
Minimum Age18 years
Permanent UK Resident

Paragon 3 Year Fixed Rate ISA

Term
3 years
Open with
£500
Interest rate
4% AER fixed
Protection scheme
FSCS
ISA transfers in
Accepted
Withdrawals and closure are permitted subject to 270 days interest penalty.
More Information
Rate Tiers
Gross rateGross rateAER rateAER rate
Excluding bonusIncluding bonusExcluding bonusIncluding bonus
£5004%4%4%4%
Eligibility
Maximum AgeUnlimited
Minimum Initial Deposit£500
Minimum Age18 years
Permanent UK Resident