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Cash ISAs

Want to save tax-efficiently? Discover the best cash ISA rates from across the whole of the market using our comprehensive chart below.

Moneyfactscompare.co.uk has been providing comparison charts to the public for over 25 years and is trusted by millions of consumers each year for help making informed financial decisions. Our charts are regularly updated throughout the day so you can easily find the best cash ISA rates UK banks and building societies currently have on offer. Start your search today:

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Best cash ISA rates

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  • 
    Trading 212 Cash ISA Promo Rate

    Trading 212 Cash ISA Promo Rate

    AER
    Press for help tip
    4.40%
    Includes a bonus for 12 months
    Account Type
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    Cash ISA
    Notice
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    None
    Interest Paid
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    Monthly
  • 
    Isbank Meteor Savings - 1 Year Fixed Rate Cash ISA

    Isbank Meteor Savings - 1 Year Fixed Rate Cash ISA

    AER
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    4.35%
    Account Type
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    Cash ISA
    Term
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    1 Year Bond
    Interest Paid
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    On Maturity
  • 
    Moneybox Moneybox Cash ISA

    Moneybox Moneybox Cash ISA

    AER
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    4.32%
    Includes a bonus for 12 months
    Account Type
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    Cash ISA
    Notice
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    None
    Interest Paid
    Press for help tip
    Monthly
  • 
    Plum Plum Cash ISA

    Plum Plum Cash ISA

    AER
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    4.30%
    Includes a bonus for 12 months
    Account Type
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    Cash ISA
    Notice
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    None
    Interest Paid
    Press for help tip
    Monthly
  • 
    Atom Bank Easy Access Cash ISA

    Atom Bank Easy Access Cash ISA

    AER
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    4.25%
    Account Type
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    Cash ISA
    Notice
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    None
    Interest Paid
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    Monthly
  • 
    Isbank Meteor Savings - 6 Month Fixed Rate Cash ISA

    Isbank Meteor Savings - 6 Month Fixed Rate Cash ISA

    AER
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    4.24%
    Account Type
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    Cash ISA
    Term
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    6 Month Bond
    Interest Paid
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    On Maturity
  • 
    AlRayan Bank Meteor Savings - 1 Year Fixed Rate Cash ISA

    AlRayan Bank Meteor Savings - 1 Year Fixed Rate Cash ISA

    AER
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    4.20%
    Expected Rate
    Account Type
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    Cash ISA
    Term
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    1 Year Bond
    Interest Paid
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    On Maturity
  • 
    Hampshire Trust Bank 5 Year Online ISA Fixed Saver (Issue 8)

    Hampshire Trust Bank 5 Year Online ISA Fixed Saver (Issue 8)

    AER
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    4.18%
    Account Type
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    Cash ISA
    Term
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    5 Year Bond
    Interest Paid
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    Anniversary
  • 
    AlRayan Bank Meteor Savings - 2 Year Fixed Rate Cash ISA

    AlRayan Bank Meteor Savings - 2 Year Fixed Rate Cash ISA

    AER
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    4.15%
    Expected Rate
    Account Type
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    Cash ISA
    Term
    Press for help tip
    2 Year Bond
    Interest Paid
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    On Maturity
  • 
    Investec Save 1-Year Fixed Rate Cash ISA

    Investec Save 1-Year Fixed Rate Cash ISA

    AER
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    4.14%
    Account Type
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    Cash ISA
    Term
    Press for help tip
    1 Year Bond
    Interest Paid
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    On Maturity
    Banking Licence Icon

    In the UK this bank/building society shares its compensation limit with
    Investec Bank plc.

  • 
    Tembo Money Tembo Cash ISA - Fixed Rate

    Tembo Money Tembo Cash ISA - Fixed Rate

    AER
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    4.14%
    Account Type
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    Cash ISA
    Term
    Press for help tip
    1 Year Bond
    Interest Paid
    Press for help tip
    On Maturity
  • 
    Harpenden BS Online Single Access ISA (Issue 3)

    Harpenden BS Online Single Access ISA (Issue 3)

    AER
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    4.06%
    Account Type
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    Cash ISA
    Notice
    Press for help tip
    None
    Interest Paid
    Press for help tip
    Yearly
  • 
    Chetwood Bank HL Active Savings - 5 Year Fixed Rate Cash ISA

    Chetwood Bank HL Active Savings - 5 Year Fixed Rate Cash ISA

    AER
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    4.05%
    Account Type
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    Cash ISA
    Term
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    11.02.31
    Interest Paid
    Press for help tip
    Anniversary
    Banking Licence Icon

    In the UK this bank/building society shares its compensation limit with
    SmartSave.

  • 
    Vida Savings HL Active Savings - Easy Access Cash ISA

    Vida Savings HL Active Savings - Easy Access Cash ISA

    AER
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    4.05%
    Account Type
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    Cash ISA
    Notice
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    None
    Interest Paid
    Press for help tip
    Monthly
  • 
    Aldermore 3 Year Fixed Rate Cash ISA

    Aldermore 3 Year Fixed Rate Cash ISA

    AER
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    4.00%
    Account Type
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    Cash ISA
    Term
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    3 Year Bond
    Interest Paid
    Press for help tip
    Anniversary
    Further Options ˅
    AER
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    4.00%
    Account Type
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    Cash ISA
    Term
    Press for help tip
    3 Year Bond
    Interest Paid
    Press for help tip
    Monthly
  • 
    Aldermore Reward ISA Single Access Account (Issue 8)

    Aldermore Reward ISA Single Access Account (Issue 8)

    AER
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    4.00%
    Account Type
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    Cash ISA
    Notice
    Press for help tip
    None
    Interest Paid
    Press for help tip
    Anniversary
    Further Options ˅
    AER
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    4.00%
    Account Type
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    Cash ISA
    Notice
    Press for help tip
    None
    Interest Paid
    Press for help tip
    Monthly
  • 
    Chetwood Bank HL Active Savings - 1 Year Fixed Rate Cash ISA

    Chetwood Bank HL Active Savings - 1 Year Fixed Rate Cash ISA

    AER
    Press for help tip
    4.00%
    Account Type
    Press for help tip
    Cash ISA
    Term
    Press for help tip
    11.02.27
    Interest Paid
    Press for help tip
    On Maturity
    Banking Licence Icon

    In the UK this bank/building society shares its compensation limit with
    SmartSave.

  • 
    Hampshire Trust Bank 1 Year Online ISA Fixed Saver (Issue 42)

    Hampshire Trust Bank 1 Year Online ISA Fixed Saver (Issue 42)

    AER
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    4.00%
    Account Type
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    Cash ISA
    Term
    Press for help tip
    1 Year Bond
    Interest Paid
    Press for help tip
    Anniversary
Depositor Protection

Eligible deposits with UK institutions are protected by the FSCS up to £120,000 per person per institution.  

Who owns whom?

Find out which banks and savings account providers operate under which banking license with our who owns whom guide, helping savers work out to what degree their savings are protected by the FSCS.

Disclaimer

All rates subject to change without notice. Please check all rates and terms before investing or borrowing.

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Cash ISAs explained

What is a cash ISA?

Cash ISAs are a type of Individual Savings Account that, like traditional savings accounts, pay interest on money deposited. Their main appeal is any interest earned is automatically tax-free (in contrast to standard savings accounts, which may require you to pay tax if you exceed your Personal Savings Allowance).

However, keep in mind that the tax benefits depend on your personal circumstances and may change in the future.

 

What is the Personal Savings Allowance?

The Personal Savings Allowance (PSA) is the maximum amount of interest you can earn on your savings each tax-year before needing to pay your usual rate of income tax. This currently stands at:

 

  Personal Savings Allowance (tax-free interest) Tax applied on interest earned above Personal Savings Allowance

Basic-rate taxpayers

£1,000

20%

Higher-rate taxpayers

£500

40%

Additional-rate taxpayers

£0

45%

 

While questions were raised about the value of cash ISAs when the Personal Savings Allowance was introduced in 2016, the tax-free savings accounts have since proven their worth for many people. Interest rates are currently much higher than 10 years ago – meaning even those with smaller balances may be at risk of exceeding their allowance. What’s more, many are seeing their allowance slashed as they are pulled up the tax-ladder by the process of fiscal drag (where wages grow, but tax bands remain frozen).

The different types of cash ISAs

There are several types of cash ISAs to consider – each of which suit different needs, circumstances and savings goals. They include:

 

Easy access cash ISAs

Easy access ISAs are perhaps the simplest type of cash ISA; like easy access savings accounts, they pay a variable rate (which can go up or down), and let savers add to and withdraw from their pot at any time. But, while many easy access ISAs allow unlimited penalty-free withdrawals, keep in mind that some apply a lower rate if you exceed a certain number of withdrawals within a given timeframe.

It should also be noted that some providers bolster the rate paid by their easy access cash ISA with a short-term bonus, so it’s important to check whether an account is still competitive once any offers expire.

 

Notice cash ISAs

Those willing to wait before accessing their cash have historically been able to find higher variable rates offered by notice cash ISAs (although this isn’t guaranteed). These accounts allow withdrawals subject to serving a notice period that can range anywhere from a week to over 180 days, while some grant earlier access subject to a loss of interest penalty.

 

Fixed rate cash ISAs

Fixed rate cash ISAs offer an interest rate that is guaranteed to remain the same over the course of a term (which can range anywhere from less than a year to over five years). In exchange, you typically won’t be able to withdraw funds until the account matures, however, some fixed ISAs permit early access subject to a loss of interest penalty and/or account closure.

 

Regular savings cash ISAs

A regular savings cash ISA could be a good option for those looking to get into the habit of saving, as some of these accounts require you to make a minimum monthly deposit and may impose restrictions when it comes to withdrawals. But, bear in mind this corner of the cash ISA market is usually less competitive as there are fewer accounts to choose from.

 

Who can open a cash ISA?

Cash ISAs can be opened by UK residents aged 18 or over. They’re also available to crown servants (such as members of the armed forces and overseas diplomats), as well as their spouse or civil partner.

 

Moneyfacts tip Image of Ella Mower

Did you know there are specially designed Junior cash ISAs which can be opened by or on behalf of children and teens under the age of 18?

How to open a cash ISA

Cash ISAs can usually be opened online, in branch, by post, over the phone or via mobile app (depending on the particular account and provider). Before you apply, there are a few things you may need to have at hand, such as:

 

  • Proof of your identity and address (e.g. passport, driving licence etc.)
  • National Insurance number
  • Contact details (e.g. mobile phone number, email address etc.)
  • An initial deposit (ranging anywhere from £1 over £10,000; select ‘view further details’ next to a listing on our chart to find the minimum deposit required).

 

How many cash ISAs can I have?

There’s no limit on the total number of cash ISAs you can open and pay into within a single tax-year, so long as you don’t exceed your annual ISA allowance. For example, you could use an easy access cash ISA to build an emergency fund and open a fixed rate cash ISA to save towards a longer-term goal – all within the same tax-year.

Importantly, it should be noted that Lifetime ISAs and Junior ISAs are exceptions to these rules.

 

Related guide: How many ISAs can I have?

 

What is the cash ISA allowance?

The ISA allowance is the maximum amount of money you can spread across ISAs per tax-year and currently stands at £20,000.

While savers can choose to allocate their entire ISA allowance into cash ISAs, this is set to change after the Chancellor of the Exchequer, Rachel Reeves, announced the cash ISA subscription limit will be reduced to £12,000 from April 2027 for those under 65.

 

Is my money safe in a cash ISA?

Yes, your money is safe in a cash ISA so long as the account is provided by a UK regulated bank or building society and protected under the Financial Services Compensation Scheme (FSCS). The scheme covers up to £120,000 in case a provider goes bust (although it should be noted this limit is shared by banks that operate under the same licence – view our guide to ‘who owns whom’ for more information).

Rest assured that all cash ISAs that feature on our charts are protected by the FSCS.

Can I withdraw cash whenever I like?

Whether you can withdraw money from a cash ISA (and how often) will depend on the specific type of account and provider.

Those who often dip into their savings pot may be better suited to an easy access cash ISA, as these accounts allow withdrawals at any time (although some apply a lower rate for exceeding a set number of withdrawals per year). Notice cash ISAs could also be a good option for those who don’t mind waiting before making a withdrawal.

In contrast, fixed rate cash ISAs tend to impose the most restrictions when it comes to making withdrawals. While it may be possible to gain early access to your cash in these accounts (i.e. before the term ends), this is often subject to a loss of interest penalty and/or closure.

 

Moneyfacts tip Image of Ella Mower

All providers must let you to transfer your ISA out to another account. However, keep in mind that providers aren’t under the same obligation to accept transfers in, and that fees and penalties may still apply. Check whether an account accepts transfers in by selecting ‘view further details’ next to a listing on our chart.

What is a flexible ISA?

A flexible ISA is an account that allows you to replace funds withdrawn in the same tax-year without it counting towards your annual ISA allowance.

For instance, imagine you deposited £5,000 into a flexible cash ISA at the start of the tax-year. If you withdrew £2,500 and later that tax-year added that same amount back into the account, you’d still only have used up £5,000 of your overall ISA allowance.

On the other hand, the same transactions using a “non-flexible ISA” would count towards £7,500 of your allowance (the initial £5,000, plus the £2,500 redeposited). Learn more with our guide to flexible ISAs.

Inheriting cash ISAs

Only a spouse or civil partner can inherit the money in a cash ISA without affecting its tax-free status or their own ISA allowance (and, even then, it’s important to note they won’t inherit the account itself).

Instead, they’ll temporarily receive an extra allowance (known as an Additional Permitted Subscription, or ‘APS’) equivalent to the amount of savings their spouse or partner had in ISAs which can be used to redeposit the inherited money tax-efficiently.

While you can name other beneficiaries to receive the money in your ISA (such as a child, grandchild, friend or other family member), bear in mind this will form part of your estate and may be liable for Inheritance Tax. Furthermore, your spouse will still get an extra ISA allowance (providing they live with you at time of death). Find out more about inheriting ISAs.

 

Quick overview: Cash ISAs vs savings accounts

 

  Cash ISA Traditional savings account

Minimum age restriction

18

Depends on the provider

Minimum deposit

£1+

Maximum deposit

£20,000 per tax-year

Depends on the provider

Tax liabilities

All interest is automatically tax-free

Interest is only tax-free below the Personal Savings Allowance

Joint availability

Not available as a joint account

Depends on the provider

Varieties

Easy access ISA, fixed rate ISA, notice ISA, regular savings ISA

Easy access account, fixed rate bond, notice account, regular savings account

 

Recap: What are the advantages of cash ISAs?

Cash ISAs have many advantages, including:

 

  • Tax-free interest: Perhaps the main benefit of cash ISAs is that any interest earned is automatically tax-free (which isn’t always the case with standard savings accounts).

 

  • Variety: There are many different types of cash ISAs to consider, so chances are you’ll be able to find one that suits your needs and which could help you achieve your savings goals.

 

  • Widely accessible: Cash ISAs can be opened by any UK resident over the age of 18. While those with larger amounts held in savings stand to benefit the most, some cash ISAs can be opened with as little as just £1.

 

  • Competitive interest rates: Many cash ISAs offer rates that are comparable to traditional savings accounts; discover the best cash ISA rates using our chart above.

 

Where next?

Compare the top rates for specific types of cash ISAs:

 

Or, explore other ISAs:

Image of Ella Mower

Ella Mower

Senior Content Writer

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