Compare The Best Cash ISA Rates

  • Fixed & variable rate cash ISAs from UK banks & providers
  • Comparison of AER interest rates & notice periods
  • Open an Individual Savings Account (ISA) online
The AA Easy Access ISA Credit Card
AER Interest Rate:
1.16%
(variable)
Notice Period:
Instant
Minimum opening deposit of £500. Rate includes a fixed bonus of 0.96% tax-free for 12 months from account opening. Interest calculated daily and paid to you in March.

Apply Online
How to compare cash ISAs

Cash ISA Accounts

What is a cash ISA?

An Individual Savings Account or ISA for short, is an investment product offered in the UK by regulated financial institutions such as banks and building societies.

A cash ISA is effectively the same as a regular savings account except that the interest earned on the money is tax-free. To open a cash ISA you need to be at least 16 years of age.

There are limits on how much you can deposit into the product in any single tax year (6 April to 5 April), which are determined by the UK government. For the current 2018/19 tax year, that amount is £20,000 in any one type of ISA account.

Cash ISA considerations

It’s important to compare as many ISA products as possible in order to find one that suits your requirements. Here are some of the main factors to consider:

Interest Rate

The interest rate applied to your ISA savings will determine the amount of money you can earn over the period and you should look for those that offer the highest one. ISA Interest rates will either be variable or fixed.

Variable Rate ISA

A variable rate means that the company offering the product may change the rate up or down during the 12 months. Often this rate change is triggered by a change in the Bank of England base rate. However, you should always check the terms & conditions with the provider as to their policy regarding rate changes.

Some accounts also operate tiered variable rates based on the level of your balance with higher rates applied when your savings reach a certain amount.

Fixed Rate ISA

A fixed rate of interest means that you will always get the same rate throughout the period on your ISA savings. Products offering fixed rates on Cash ISAs will often be for a set period of time, usually 1 or 2 years.

Some people like the idea of fixed rates as it gives them peace of mind in knowing that they will get always get the same rate on their savings and can more easily predict the amount they will earn in interest, regardless of potential interest rate changes in the overall economy.

There are certain cash ISA accounts that offer bonus or loyalty rates. These are often tied to already having a current account or other product with the provider

Help to Buy ISA

This type of ISA is also considered a type of cash ISA but is specifically designed to help first time buyers get a mortgage deposit and get their foot on the housing ladder.

The UK government operates it as an affordable home ownership scheme and will top up your savings by another 25% (up to a maximum of £3,000) on savings of up to £12,000. If you are buying a property with someone else, they can also open a Help to Buy ISA.

You can use the government ISA calculator to see what bonus you could get.

In order to qualify, there are some eligibility rules including:

  • The purchase price of the property can be up to £250,000 (£450,000 in London)
  • The property must be the only home you own
  • You must live in the property

Your first deposit into your Help to Buy ISA can be up to £1,200. You can then deposit up to £200 a month into the account. Your solicitor will apply the 25% government bonus when you buy the property.

Notice period

Always check what the restrictions are regarding getting access to your money. Whilst many accounts will offer instant access to your funds, some products may either limit the number of withdrawals you can make or prevent you from making any withdrawals, except to close your account.

You should also take note of any charges that may be incurred for withdrawing money from your ISA cash account together with any early closure fees.

Minimum opening deposit

Most cash ISAs enable you to open an account with just £1 but some fixed rate accounts may require a much higher initial deposit in the hundreds or even thousands of pounds.

Access and management of your account

In addition to the normal in-branch and over the telephone account management services, the vast majority of cash ISAs can now be accessed via online or through mobile banking using the provider’s own app.

Bank AccountAER Interest RateMin. Opening DepositNotice PeriodFeatures
Lloyds Bank Help to Buy ISA

Save towards your first home tax free. Qualifying first time buyers can get a 25% bonus from the Government's Help to Buy scheme of up to £3,000.
1.50%
(variable rate)
£1Instant

  • Open an account with between £1 & £1,000

  • Pay in up to £200 in any calendar month

  • Unlimited withdrawals

  • Access online, branch & phone

Apply
Lloyds Bank Cash ISA Saver

An instant access Individual Savings Account (ISA) that pays you tax free interest at a variable rate
0.35%
(variable rate)
£1Instant

  • Unlimited withdrawals

  • This is a flexible ISA, so if you make a withdrawal, you can pay that money back in to this account before the end of the tax year and not affect the amount you can save in your cash ISA tax free.

  • Access online, branch & phone

Apply
Lloyds Bank 2 Year Fixed Rate Cash ISA

Individual Savings Account (ISA) that pays you tax free interest at a fixed rate if you put away your money for the two year term.
0.50%£3,000Withdrawal charges apply

  • Fixed interest rate gives peace of mind

  • Choose to have interest paid monthly or annually

  • Access online, branch & phone

Apply
Barclays Bank Instant Cash ISA

Tax-free savings, with instant access to your money.
0.55% to 0.75%
(variable rate)
£1Instant

  • Tiered, variable interest rates

  • Transfer-in an existing ISA in just 3 steps

  • Access online, Barclays Mobile app, branch & phone

Apply
Barclays Bank 2-Year Flexible Cash ISA

Tax-free savings with some access.
1.25%£1Up to 3 withdrawals free of charge

  • Earn a fixed rate on your money

  • 3 free withdrawals - each up to 10% of balance

  • Access online, Barclays Mobile app, branch & phone

Apply
Barclays Bank 2-Year Premier Flexible Cash ISA

Exclusively for Premier customers
1.40%£1Up to 3 withdrawals free of charge

  • Must be a Premier customer aged 18 or above

  • Earn a fixed rate on your money

  • 3 free withdrawals - each up to 10% of balance

  • Access online, Barclays Mobile app, branch & phone

Apply
Barclays Bank Help to Buy ISA

Help with saving towards your first home.
2.53%
(variable rate)
£1Instant

  • Save up to £1,200 in the first calendar month

  • Save up to £200 per calendar month afterwards

  • In support of the government's Help to Buy

  • Access online, Barclays Mobile app, branch & phone

Apply
HSBC Loyalty Cash ISA

Plan for the future, free from UK income tax.
0.55% to 0.75%
(variable rate)
£1Instant

  • Get Loyalty rate for 12 months from the date of each payment into your ISA

  • Available to HSBC Current Account customers only

  • In support of the government's Help to Buy

  • Access online, via mobile app, branch, phone & post

Apply
HSBC Help to Buy ISA

Bring your first home a step closer with a 25% savings bonus.
2.00%
(variable rate)
£1Instant

  • Save up to £200 per calendar month

  • Option of an additional £1,000 in the first month you make a subscription

  • Claim your 25% government bonus via a solicitor or conveyancer

  • Access online, branch, phone & post

Apply
NatWest Help to Buy: ISA

A helping hand towards your first home.
2.00%
(variable rate)
£1Instant

  • Bonus up to £3k from government towards new home

  • Get up to £6k if buying a house with someone else & both first time buyers

  • Available for properties up to £450k in London and £250k elsewhere in UK

  • Save up to £1,200 in first calendar month and up to £200 per calendar month after

Apply
NatWest Cash ISA

Instant Access tax-free savings account.
0.10% to 0.75%
(variable rate)
£1Instant

  • Your interest is tax-free up to the annual ISA allowance

  • Take money out when you need it

  • Access via mobile banking app, branch or phone

Apply
NatWest Fixed Rate ISA

Fixed interest rate for one or two years.
1.00% to 1.25%£1,000No withdrawals or deposits during the term. Early Closure Charges may apply.

  • Choose a term that suits you – either one or two years

  • Longer term you will benefit from a higher rate of interest

  • Interest is paid directly into your account and is tax-free

Apply
Nationwide Help to Buy: ISA

For first-time buyers - boost your savings towards your first home.
2.00%
(variable rate)
£1Instant

  • Open with up to £1200, then save up to £200 a month

  • Transfer an existing Help to Buy: ISA

  • You could qualify for Government bonus up to £3k on qualifying purchases

  • Open and manage online or in branch

Apply
Nationwide Fixed Rate ISA

Put away a lump sum. Get a tax-free, fixed interest rate.
0.75% to 1.75%£1If you want your money before the term ends, a charge will apply.

  • Lock away your money for a fixed term with a fixed interest rate

  • No withdrawals or additions during term

  • Transfer existing ISA funds in

  • Open and manage online or in branch

Apply
AA Easy Access ISA

Tax-free Easy Access product, includes a fixed bonus for the 1st year.
1.16%
(variable rate)
£100Instant

  • Interest calculated daily and paid to you in March

  • Transfer in ISAs held elsewhere

  • Rate includes a fixed bonus of 0.96% tax-free for 12 months from account opening

  • Manage your account online 24/7

Apply
AA 1 or 2 Year Fixed Rate ISA

If you don't need access to your money for 1 or 2 years, enjoy peace of mind with a fixed tax-free rate.
1.36% / 1.51%£500Transfer out the full amount only – no partial transfers. Breakage charge applies.

  • Interest calculated daily and paid annually

  • One deposit per product but you can have as many fixed rate products as you want

  • Transfer in ISAs held elsewhere

  • Manage your account online 24/7

Apply
Interest rate comparison as of August 2018
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