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Best Buy Cash ISAs

Find the best cash ISA rate to make the most of your tax free allowance.

Online Easy Access Cash ISA

from Post Office Money

Interest Rate (AER) 4.40%
  • Term: Instant Access
  • Invest From: £100

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

Limited Issue Online Easy Access Cash ISA

from Leeds Building Society

Interest Rate (AER) 4.41%
  • Term: Easy Access
  • Invest From: £1,000

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

Online Easy Access Cash ISA

from Post Office Money

Interest Rate (AER) 4.40%
  • Term: Instant Access
  • Invest From: £100

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

Single Access eISA

from Yorkshire Building Society

Allows ISA Transfers
Interest Rate (AER) 4.35%
  • Term: 1 Year, with option to make one free withdrawal
  • Invest From: £1

Make up to one withdrawal during the 12-month term of this account. Flexible ISA: Withdraw money from your ISA account and pay it back in later. It will not affect your annual allowance, if it’s done in the same tax year. Open from just £1 or transfer in existing ISA funds. Manage your account online. Interest paid at maturity. FSCS Protected. The interest rate is variable and can go up or down. Must be UK resident and aged 18 or older

Online Easy Access Tracker Cash ISA

from Hampshire Trust Bank

Interest Rate (AER) 4.15%
  • Term: Instant Access
  • Invest From: £5,000

Interest paid on account balances over £5,000. No interest paid if balance is below. Tracks Bank of England Base Rate (35 bps under). Unlimited deposits and withdrawals. Interest paid annually. ISA transfers also allowed in. Maximum deposit £1,000,000. FSCS Protected. Winner of Platinum Feefo Trusted Service Award in 2024. Must be UK resident and be aged 18 or older

Online Easy Access Cash ISA

from Hampshire Trust Bank

Interest Rate (AER) 3.40%
  • Term: Instant Access
  • Invest From: £1

Unlimited deposits and withdrawals. 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

1 Year Triple Access Cash ISA

from Nationwide

Interest Rate (AER) 4.00%
  • Term: 1 Year, with option to make three free withdrawals
  • Invest From: £1

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 1.75% AER/gross p.a. (variable). Not available in branch

1 Year Fixed Rate Cash ISA

from Hampshire Trust Bank

Interest Rate (AER) 4.22%
  • Term: 1 Year
  • Invest From: £1

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

1 Year Fixed Rate Cash ISA

from Post Office Money

Interest Rate (AER) 4.15%
  • Term: 1 Year
  • Invest From: £500

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

1 Year Fixed Rate e-ISA

from Yorkshire Building Society

Allows ISA Transfers
Interest Rate (AER) 4.15%
  • Term: 1 Year
  • Invest From: £100

Interest paid at maturity. ISA transfers also allowed in. Tax free interest. FSCS Protected. Must be UK resident and be aged 18 or older. No withdrawals permitted. Closure permitted with 90 days’ loss of interest

1 Year Fixed Rate Cash ISA

from Leeds Building Society

Interest Rate (AER) 4.10%
  • Term: 1 Year
  • Invest From: £100

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

1 Year Fixed Rate ISA

from NatWest

Interest Rate (AER) 4.01% Tax Free p.a. (Fixed)
  • Term: 1 Year
  • Invest From: £1,000

Terms and Conditions: You must be 18 or over and a UK Resident. Currently you can only subscribe to one Cash ISA with NatWest Bank per tax year. You must hold the account solely in your name. NatWest’s FRISA rates are 4.01% AER/Tax-free p.a. (fixed) for 1 year and 3.86% AER/Tax-free p.a. (fixed) for 2 years. Rate available until 5pm on 17th April 2025 for new customers and 24th April 2025 for existing customers. Offer may be withdrawn early due to limited availability. Interest is calculated daily and paid annually to your ISA on the first business day in April and on the Maturity Payment Date. You can withdraw money from your account up to 9th May 2025. If you want to make a withdrawal after this time and before the Maturity Date, you must close your account by giving written notice in branch. ISA subscription limits apply. If you make a payment into your Fixed Rate ISA you will not be able to make any further payments for that tax year into any other cash ISA with NatWest or Royal Bank of Scotland. Early Closure Charge applies. The Early Closure Charge will be the lower of the amount of interest earned on your account or 90 days’ interest. The Early Closure Charge will be deducted from the balance of your Fixed Rate ISA. The interest payable on the money held in your account is tax-free. The tax treatment may be subject to change in the future and depends on your individual circumstances.

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1 Year Fixed Rate ISA

from Royal Bank of Scotland

Interest Rate (AER) 4.01% Tax Free p.a. (Fixed)
  • Term: 1 Year
  • Invest From: £1,000

Terms and Conditions: You must be 18 or over and a UK Resident. Currently you can only subscribe to one Cash ISA with Royal Bank of Scotland per tax year. You must hold the account solely in your name. Royal Bank of Scotland’s FRISA rates are 4.01% AER/Tax-free p.a. (fixed) for 1 year and 3.86% AER/Tax-free p.a. (fixed) for 2 years. Rate available until 5pm on 17th April 2025 for new customers and 24th April 2025 for existing customers. Offer may be withdrawn early due to limited availability. Interest is calculated daily and paid annually to your ISA on the first business day in April and on the Maturity Payment Date. You can withdraw money from your account up to 9th May 2025. If you want to make a withdrawal after this time and before the Maturity Date, you must close your account by giving written notice in branch. ISA subscription limits apply. If you make a payment into your Fixed Rate ISA, you will not be able to make any further payments for that tax year into any other cash ISA with Royal Bank of Scotland or NatWest. Early Closure Charge applies. The Early Closure Charge will be the lower of the amount of interest earned on your account of 90 day’s interest. The Early Closure Charge will be deducted from the balance of your Fixed Rate ISA. The interest payable on the money held in your account is tax-free. The tax treatment may be subject to change in the future and depends on your individual circumstances.

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2 Year Fixed Rate Cash ISA

from Hampshire Trust Bank

Interest Rate (AER) 4.11%
  • Term: 2 Years
  • Invest From: £1

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

2 Year Fixed Rate Cash ISA

from Leeds Building Society

Interest Rate (AER) 4.10%
  • Term: 2 Years
  • Invest From: £100

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 180 days lost interest

2 Year Fixed Rate ISA

from NatWest

Interest Rate (AER) 3.86% Tax Free p.a. (Fixed)
  • Term: 2 Years
  • Invest From: £1,000

Terms and Conditions: You must be 18 or over and a UK Resident. Currently you can only subscribe to one Cash ISA with NatWest Bank per tax year. You must hold the account solely in your name. NatWest’s FRISA rates are 4.01% AER/Tax-free p.a. (fixed) for 1 year and 3.86% AER/Tax-free p.a. (fixed) for 2 years. Rate available until 5pm on 17th April 2025 for new customers and 24th April 2025 for existing customers. Offer may be withdrawn early due to limited availability. Interest is calculated daily and paid annually to your ISA on the first business day in April and on the Maturity Payment Date. You can withdraw money from your account up to 9th May 2025. If you want to make a withdrawal after this time and before the Maturity Date, you must close your account by giving written notice in branch. ISA subscription limits apply. If you make a payment into your Fixed Rate ISA you will not be able to make any further payments for that tax year into any other cash ISA with NatWest or Royal Bank of Scotland. Early Closure Charge applies. The Early Closure Charge will be the lower of the amount of interest earned on your account or 90 days’ interest. The Early Closure Charge will be deducted from the balance of your Fixed Rate ISA. The interest payable on the money held in your account is tax-free. The tax treatment may be subject to change in the future and depends on your individual circumstances.

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2 Year Fixed Rate ISA

from Royal Bank of Scotland

Interest Rate (AER) 3.86% Tax Free p.a. (Fixed)
  • Term: 2 Years
  • Invest From: £1,000

Terms and Conditions: You must be 18 or over and a UK Resident. Currently you can only subscribe to one Cash ISA with Royal Bank of Scotland per tax year. You must hold the account solely in your name. Royal Bank of Scotland’s FRISA rates are 4.01% AER/Tax-free p.a. (fixed) for 1 year and 3.86% AER/Tax-free p.a. (fixed) for 2 years. Rate available until 5pm on 17th April 2025 for new customers and 24th April 2025 for existing customers. Offer may be withdrawn early due to limited availability. Interest is calculated daily and paid annually to your ISA on the first business day in April and on the Maturity Payment Date. You can withdraw money from your account up to 9th May 2025. If you want to make a withdrawal after this time and before the Maturity Date, you must close your account by giving written notice in branch. ISA subscription limits apply. If you make a payment into your Fixed Rate ISA, you will not be able to make any further payments for that tax year into any other cash ISA with Royal Bank of Scotland or NatWest. Early Closure Charge applies. The Early Closure Charge will be the lower of the amount of interest earned on your account of 90 day’s interest. The Early Closure Charge will be deducted from the balance of your Fixed Rate ISA. The interest payable on the money held in your account is tax-free. The tax treatment may be subject to change in the future and depends on your individual circumstances.

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2 Year Fixed Rate Cash ISA

from Post Office Money

Interest Rate (AER) 3.85%
  • Term: 2 Years
  • Invest From: £500

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 180 days loss of interest. Online ISA is provided by OneFamily, savings in Post Office Cash ISAs are deposited with Bank of Ireland UK

3 Year Fixed Rate Cash ISA

from Leeds Building Society

Interest Rate (AER) 4.00%
  • Term: 3 Years
  • Invest From: £100

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 240 days lost interest

5 Year Fixed Rate Cash ISA

from Leeds Building Society

Interest Rate (AER) 4.00%
  • Term: 5 Years
  • Invest From: £100

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 365 days lost interest

5 Year Fixed Rate Cash ISA

from Hampshire Trust Bank

Interest Rate (AER) 3.75%
  • Term: 5 Years
  • Invest From: £1

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

Best Buy Cash ISA

Whatever the current best buy cash ISA is, is dependent on changes to rates and other potential variables, therefore before taking out a new Cash ISA it can be a good idea to shop around various different providers to try and find the best product for you.

You can use the tables on this site to compare a selection of ISAs from a variety of different providers and follow the links to find out more.

About cash ISAs

All eligible individuals can open up to one Cash ISA and contribute up to the maximum ISA allowance into it each tax year.

Cash ISAs offer a straight forward way to earn interest on your savings. They work similarly to the standard savings accounts offered by different banks and building societies. The main difference is that all interest earned on money within the account, up to the maximum allowance, is paid tax-free.

Types of Cash ISA

There are varying types of Cash ISA offered by different providers, which type of Cash ISA is best for you will be dependent on how you wish to save:

  1. Instant Access Cash ISAs: Instant Access products tend to allow the account holder to make unlimited, free withdrawals and deposits up to their maximum ISA allowance. This type of account tends to offer a variable rate of interest meaning the rate you receive on the account could fluctuate over time.
  2. Fixed-term/rate ISAs: Fixed-term or fixed-rate ISAs tend to require savers to lock their money in the account for a predefined period of time usually without being able to make either full or partial withdrawals from the account, some may allow withdrawals but subject penalty usually calculated at a set amount of days worth of interest. In return for locking their cash into the account savers are normally offered a fixed rate of interest, meaning the interest rate will stay the same over the course of the ISA. Fixed-rate ISAs tend to be offered for periods of time from between one to five years, generally speaking the longer the period of the ISA the better the rate of interest offered by the provider.

Transfers

It’s possible to transfer an ISA to another either the same or a different provider. However, while all ISA providers are required to permit account holders to transfer away, they do not have to allow transfers in from other ISAs. ISA providers can also charge an interest penalty for moving away from their account. This means that while moving ISAs can sometimes be beneficial, for reasons such as achieving a better interest, savers should first check that the account they wish to move to accepts transfers in, it is also wise to consider if after factoring in any penalty that might be incurred for transferring away if it would cancel out the potential benefits of a better rate of interest.

It is possible to transfer between different types ISA such as from an Investment ISA into a cash ISA or vice versa.

Frequently Asked Questions

Can I lose money in an ISA?

You can lose money in a Stocks and Shares ISA if your investments go down in value. You cannot lose money with a Cash ISA.

Can I transfer my Cash ISA into a Stocks and Shares ISA?

Yes, you can transfer from your Cash ISA to a Stocks and Shares ISA at any time. However, do check you won’t lose out by transferring, as some Fixed Rate Cash ISAs may charge a fee or void your interest if you surrender your policy before the fixed term has ended

Can I withdraw money from an ISA?

For Cash or Stocks and Shares ISAs, yes, although some Cash ISAs may charge a fee or void your interest if you surrender your policy before the fixed term has ended.

How much money can I put in a Stocks and Shares ISA?

You can add £20,000 for the current tax year, and this amount refreshes each tax year.