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​Best Cash ISA Interest Rates

Best Cash ISA Interest Rates

When trying to find the right Cash ISA for you, shopping around thoroughly to try and find the best cash ISA rates available may help you make your decision, you can use this website to compare a selection of ISAs from different providers.

Choosing an ISA

You can only open up to one, cash ISA in each tax year, although it may be possible to transfer accounts. It is therefore important to try and find the Cash ISA product that best suits the way you wish to save, you may therefore want to considering things such as the minimum required opening balance for different accounts and whether you feel an instant access or fixed-rate ISA would be better for you.

  • Instant Access Cash ISAs: Usually allow unlimited, free withdrawals from the account and deposits up to your maximum ISA allowance. This means savers can access their money relatively easy should they decide to use it for other things over the terms of the ISA. These types of account usually offer a variable rate of interest.
  • Fixed Rate Cash ISAs: Typically require a saver to lock their money into the account for a predefined period of time. During this period of time savers have very restricted access to the money within the account, some accounts may allow early withdrawals however these types of account tend to impose a penalty, based up a set number of days worth of interest for doing so. In return for locking their cash into the account savers receive a fixed rate of interest, meaning it’s possible to calculate exactly how much they stand earn in interest from the ISA over its course. Fixed-rate ISAs tend be offered on a term of: 1, 2, 3 or 5 years.


In order to be eligible for a Cash ISA you must be:

  • Aged at least 16 years old
  • A resident of the UK, if you do not live in the UK then you must be either a Crown Servant or the spouse/civil partner of one.


You can transfer an ISA at any time, and it is possible to transfer between different types of ISA such as from an Investment ISA to a Cash ISA or vice versa. While all providers are required to allow account holders to transfer out, they can place some restrictions on doing so or impose a penalty of a set amount of times worth of interest for doing so. ISA providers also do not have to allow transfers-in from other accounts, meaning that if you have been thinking of transferring you should first check that the ISA you wish to move to accepts transfers in.

ISA transfers should take no longer than 15 working days for a Cash ISA and 30 working days for a Stocks and Shares ISA. 

Important Risk Information:

This website contains information only and does not constitute advice or a personal recommendation in any way whatsoever. The value of investments and income from them can fall as well as rise and you may not get back the full amount invested. The tax efficiency of ISAs is based on current tax law and there is no guarantee that tax rules will stay the same in the future.

Different types of investment carry different levels of risk and may not be suitable for all investors. Please ensure that you read the Important Risk Information for further details. Prior to making any decision to invest, you should ensure that you are familiar with the risks associated with a particular investment and should read the product literature. If you are in any doubt as to the suitability of a particular investment, both in respect of its objectives and its risk profile, you should seek independent financial advice.

Lifetime ISAs

Save for your first home and retirement

Compare Lifetime ISAs

Junior ISAs

Invest for your child’s future

Compare Junior ISAs: 

Stocks & Shares ISAs

Invest tax-free in stocks and shares 

Compare Stocks and Shares ISAs:

Latest News

5 Considerations for Your Next Investment ISA

15th March 2021

You've decided to invest your savings into a Stocks and Shares ISA. You'll be using your tax-free ISA allowance for this year before the deadline, while also investing your money for your future. But what do you need to consider before opening an account? We've put together a list of our top five considerations for you to think about before you click "apply". 

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