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
Easily transfer in your existing ISAs with the choice of monthly or annual interest payments
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Fixed Cash ISA deals

300 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
4.25% 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 rateGross rateAER rateAER rate
Excluding bonusIncluding bonusExcluding bonusIncluding bonus
£5004.24%4.24%4.25%4.25%
Eligibility
Maximum AgeUnlimited
Minimum Initial Deposit£500
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

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 rateGross rateAER rateAER rate
Excluding bonusIncluding bonusExcluding bonusIncluding bonus
£1004.12%4.12%4.12%4.12%
Eligibility
Maximum AgeUnlimited
Minimum Initial Deposit£100
Minimum Age18 years
Minimum Monthly Investment£1
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 rateGross rateAER rateAER rate
Excluding bonusIncluding bonusExcluding bonusIncluding bonus
£1,0004.06%4.06%4.06%4.06%
Eligibility
Maximum AgeUnlimited
Minimum Initial Deposit£1,000
Minimum Age18 years
Permanent UK Resident

Skipton 15 Month Fixed Rate Cash ISA Issue 280

Term
15 months
Open with
£5,000
Interest rate
4.06% 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
£5,0004.06%4.06%4.06%4.06%
Eligibility
Maximum AgeUnlimited
Minimum Initial Deposit£5,000
Minimum Age18 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 rateGross rateAER rateAER rate
Excluding bonusIncluding bonusExcluding bonusIncluding bonus
£1,0004.05%4.05%4.05%4.05%
Eligibility
Maximum AgeUnlimited
Minimum Initial Deposit£1,000
Minimum Age18 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 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£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 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£1
Permanent UK Resident

Leeds Building Society 2 Year Fixed Rate ISA Issue 209

Term
02 Aug 2027
Open with
£100
Interest rate
4% AER fixed
Protection scheme
FSCS
ISA transfers in
Accepted
Withdrawals are subject to 180 days loss of 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£1
Permanent UK Resident

Hargreaves Lansdown Active Savings Chetwood Bank - 5 Year Fixed Term ISA

Term
13 Jun 2030
Open with
£1,000
Interest rate
3.96% AER fixed
Protection scheme
FSCS
ISA transfers in
Not accepted
Withdrawals are not permitted during the term. Closure is permitted subject to 360 days loss of interest.
More Information
Rate Tiers
Gross rateGross rateAER rateAER rate
Excluding bonusIncluding bonusExcluding bonusIncluding bonus
£1,0003.96%3.96%3.96%3.96%
Eligibility
Maximum AgeUnlimited
Minimum Initial Deposit£1,000
Minimum Age18 years
Permanent UK Resident