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This comparison simply includes all savings accounts.

moneybox
Cash ISA moneybox
Min deposit £500
Term Easy Access
Interest AER 5.17%

Why we like it: *The Moneybox Cash ISA includes a 4.70% AER variable underlying rate and a bonus rate of 0.47% for the first 12 months. Up to three withdrawals can be made within each 12-month period from the date of opening without affecting the interest rate. Transfer in any ISAs you hold with other providers into a Moneybox Cash ISA, entirely in-app. Covered by FSCS. If more than three withdrawals made within each 12-month period, a lower rate of 0.75% (variable) will be applied for the rest of that 12-month period. The lower interest rate of 0.75% will also apply if the account balance dips below £500, automatically returning to the higher interest rate when the balance returns to £500 or more again. Must be UK resident and be aged 18 or older

Plum
Cash ISA Plum
Min deposit £1
Term Easy Access
Interest AER 4.92%

Why we like it: Includes a bonus of 0.88% AER (variable) if account held for 12 months. Transfer in any ISAs you hold with other providers. Interest rates drop if more than three withdrawals per year. Covered by FSCS. Rate when you transfer in your existing ISA - 4.04% AER (variable). Rate for each 12-month period after your first 12 months - 4.04% AER (variable). Rate when balance drops below £100 or after your fourth annual withdrawal - 3.00% AER (variable). Must be UK resident and be aged 18 or older

Leeds Building Society
Limited Issue Online Access ISA Leeds Building Society
Min deposit £1000
Term Instant Access
Interest AER 4.55%

Why we like it: Interest paid annually. Unlimited deposits and withdrawals. ISA transfers also allowed in. Open and manage online. FSCS Protected. Must be UK resident and be aged 18 or older

Hampshire Trust Bank
Fixed Rate Cash ISA Hampshire Trust Bank
Min deposit £1
Term 1 Year
Interest AER 4.50%

Why we like it: Interest paid at maturity. ISA transfers also allowed in. Maximum deposit £250,000. FSCS Protected. Winner of Platinum Feefo Trusted Service Award in 2024. Must be UK resident and be aged 18 or older. No withdrawals permitted

Aldermore
30 Day Notice Cash ISA Aldermore
Min deposit £1000
Term 30 Day Notice
Interest AER 4.30%

Why we like it: Unlimited deposits and withdrawals. ISA transfers in allowed. FSCS Protected. Must be UK resident and aged 16 or older. Withdrawals subject to 30 days notice

Hampshire Trust Bank
Fixed Rate Cash ISA Hampshire Trust Bank
Min deposit £1
Term 2 Years
Interest AER 4.25%

Why we like it: Interest paid annually. ISA transfers also allowed in. Maximum deposit £250,000. FSCS Protected. Winner of Platinum Feefo Trusted Service Award in 2024. Must be UK resident and be aged 18 or older. No withdrawals permitted

Aldermore
Easy Access Cash ISA Aldermore
Min deposit £1000
Term Instant Access
Interest AER 4.25%

Why we like it: Unlimited deposits and withdrawals. ISA transfers in allowed. FSCS Protected. Must be UK resident and aged 18 or older

Leeds Building Society
Fixed Rate Cash ISA Leeds Building Society
Min deposit £100
Term 1 Year
Interest AER 4.20%

Why we like it: Interest paid annually. ISA transfers also allowed in. Open online, in branch or by post. FSCS Protected. Must be UK resident and be aged 18 or older. Withdrawals permitted subject to 90 days lost interest

Aldermore
Fixed Rate Cash ISA Aldermore
Min deposit £1000
Term 2 Years
Interest AER 4.20%

Why we like it: ISA transfers in allowed. FSCS Protected. Must be UK resident and aged 16 or older. Withdraw cash early if you need to (subject to loss of interest)

Post Office
Online Easy Access Cash ISA Post Office
Min deposit £100
Term Instant Access
Interest AER 4.10%

Why we like it: Interest paid annually. Unlimited deposits and withdrawals. ISA transfers also allowed in (some providers charge a transfer fee). Open and manage online. FSCS Protected.. Must be UK resident and be aged 18 or older. After 12 months the interest rate changes to 1.45% AER variable. Online ISA is provided by OneFamily, savings in Post Office Cash ISAs are deposited with Bank of Ireland UK

Nationwide
1 Year Triple Access Online ISA Nationwide
Min deposit £1
Term Easy Access or up to 1 Year
Interest AER Up to 4.10%

Why we like it: Make up to three withdrawals during the 12-month term of this account. Tax free ISA account. Open with £1 or transfer in existing ISA funds. Invest up to £20,000 per tax year. Manage your account online. Interest paid at maturity. FSCS Protected. Must be UK resident and aged 16 or older. Make more than three withdrawals and the rate drops to 2.10% AER/gross p.a. (variable). Not available in branch

Post Office
Fixed Rate Cash ISA Post Office
Min deposit £500
Term 1 Year
Interest AER 4.00%

Why we like it: Interest paid annually. ISA transfers also allowed in (some providers charge a transfer fee). Open and manage online. FSCS Protected. Must be UK resident and be aged 18 or older. Withdrawals permitted subject to 90 days loss of interest. Online ISA is provided by OneFamily, savings in Post Office Cash ISAs are deposited with Bank of Ireland UK

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Instant Access ISA

If you wish to access a fixed interest rate without necessarily tying up your money for a set period of time, you may want to open an Instant Access ISA.

An Instant Access ISA is an account that you can use to put your savings in and make your savings work harder for you.

An Instant Access ISA account has both the advantages of an ISA and some of the flexibility of an instant cash savings account.

If choose to open an Instant Access ISA, you will be able to withdraw as much as you like from the account, and providing you replace it within the same tax year it will not count towards your annual ISA allowance.

The ability to access your savings whilst enjoying competitive interest may help you to achieve your savings goals. Find our savings rates table above for the latest interest rate deals. 

Features of an Instant Access ISA

You may benefit from opening an Instant Access ISA: 

  • No income tax – unlike other financial products the interest you earn in your ISA is not subject to tax
  • Easy access – If you wish to open an Instant Access ISA, as opposed to a fixed rate cash ISA, you will benefit from competitive interest as well as easy access to your money, should you need it
  • No need to declare – you are not obliged to declare your cash ISA or any interest you get from your ISA on your tax return
  • Straightforward transfers – you have the option to transfer your cash ISA to another provider if you find a better interest rate

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