Embrace the future. Save tax-free with an ISA.
You work hard for your money, so make saving it easy. ISAs are a great way to save, making sure more money stays in your pocket rather than going to the taxman. Now's the perfect time to open an ISA and make the most of your tax-free savings.
Our cash ISA range includes fixed rate ISAs for savers who don’t need fast and easy access to their money, easy access ISAs for those who do, and ISAs designed specifically for first time home buyers.
Choose the right ISA for you
Simply click 'View full product details' on the account you're interested in below for further information or, apply online or in one of our branches.
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Showing all of our products
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Open with £1
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Fixed rate until 18th January 2028
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Withdrawals are permitted subject to 120 days loss of interest
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Tax-free savings
Apply online or in branch
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Open with £1
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Fixed rate until 27th July 2027
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Withdrawals are permitted subject to 90 days loss of interest
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Tax-free savings
Apply online or in branch
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Open with £1
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Fixed rate until 14th July 2028
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Withdrawals are permitted subject to 120 days loss of interest
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Tax-free savings
Apply online or in branch
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Open with £1
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Fixed rate until 16th July 2031
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Withdrawals are permitted subject to 365 days loss of interest
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Tax-free savings
Apply in branch
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Open with £1
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25% withdrawal penalty, unless used to buy your first home or you are aged 60 or over
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Available to open for 18 to 39 year-olds
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Transfers from other LISAs now available
Apply online only
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Open with £1
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A variable rate of interest which allows 2 penalty free withdrawals each anniversary year
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1.70% tax-free pa/AER (variable) will be paid upon making 3 or more withdrawals
Apply online or in branch
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Open with £1
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Variable rate of interest
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Take money out: anytime
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Tax-free savings
Apply online or in branch
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Open with £1
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A variable rate of interest which allows 1 penalty free withdrawal each anniversary year
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1.70% tax-free pa/AER (variable) will be paid upon making 2 or more withdrawals.
Apply online or in branch
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Withdrawals are not permitted until the child’s 18th birthday
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Open with £1
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Variable rate of interest
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Transfers from other JISA providers are permitted
Apply in branch
Tax-free refers to the contractual rate of interest payable, where interest is exempt from income tax. The tax information provided is based on the current law and HM Revenue & Customs practice, both of which may change. AER stands for Annual Equivalent Rate and shows what the interest rate would be if interest were paid and added to your account each year.
Deposits protected up to £120,000
Your eligible deposits with Newcastle Building Society are protected up to a total of £120,000 by the Financial Services Compensation Scheme, the UK’s deposit protection scheme. This limit is applied to the total of any deposits you have with Newcastle Building Society and Manchester Building Society (as a trading name of Newcastle Building Society). Any deposits you hold above the £120,000 limit are unlikely to be covered.
We’re here to help
If you’re still not sure and would like some guidance on which ISA account might be right for you, our team will help you choose. For a face-to-face appointment on the high street book an appointment today.
Book a branch appointmentStocks & Shares ISA
If you’re thinking about the longer term, a Stocks and Shares ISA could be a good option for you. Newcastle Financial Advisers offer no obligation advice on pensions, investments and inheritance tax planning, which could help your money work harder.
Arrange a financial advice appointmentHM REVENUE AND CUSTOMS PRACTICE AND THE LAW RELATING TO TAXATION ARE COMPLEX AND SUBJECT TO INDIVIDUAL CIRCUMSTANCES AND CHANGES WHICH CANNOT BE FORSEEN.
A stocks and shares ISA is a medium to long term investment, which aims to increase the value of the money you invest for growth or income or both. The value of your investments and any income from them can fall as well as rise. You may not get back the amount you invested.
You might also be interested in
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Guide to cash ISAs
Take a look at our cash ISA guide for lots of useful information on how an ISA can benefit you.
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Understanding your Personal Savings Allowance
Finding spare cash to stow away for the future can be challenging. Fortunately, there are allowances in place to ensure lower income earners are entitled to tax-free savings income.
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Transferring a cash ISA
Whether you want to transfer your ISA or LISA, or if you’re on the lookout for a new provider, find out how to transfer an ISA here with our guide.
Newcastle Building Society introduces to Newcastle Financial Advisers Limited for advice on investments, pensions, life and protection insurance, and inheritance tax planning. Aspects of inheritance tax planning are not regulated by the Prudential Regulation Authority nor the Financial Conduct Authority. Newcastle Financial Advisers is a trade name of Newcastle Financial Advisers Limited which is an appointed representative of The Openwork Partnership a trading style of Openwork Limited which is authorised and regulated by the Financial Conduct Authority.
Approved by the Openwork Partnership on 11/03/2026.