Make the most of your ISA Allowance
Before the tax year end, make the most of your ISA allowance and save tax-free up to £20,000.
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.
4.15
6 Month Variable ISA (Issue 1)
For more information on the upcoming tax year-end deadline, please refer to our ISA deadline information guide.
To make the most of your 2025/2026 ISA subscription:
- You will need to have successfully opened your ISA and we will need to receive your funds by 11:59pm on April 5th 2026.
- Any ID or residency documents that we may request must be received by March 26th 2026.
- If your application fails after March 26th 2026, you can still proceed with opening your account and your funds will be applied to your 2026/2027 ISA subscription.
Book a branch appointment
Speak to us in your local branch to make the most of your ISA allowance before 5th April.
Achieve your future goals with the help of financial advice
You work hard for your money and Newcastle Financial Advisers understand that the goals you have for the future are unique. The best way to help you achieve those goals is to provide support that is unique. Book a financial advice appointment today.
Financial advice tailored to you
*Calls to 0345 numbers cost the same as a call to a standard ‘01’ or ‘02’ landline number, even when calling from a mobile. Calls from landlines and mobiles are included in any bundled minutes or free call packages. The actual cost you are charged will depend on your landline or mobile provider. Please contact them to get information about the cost of the call. We may monitor and record telephone calls for training and security purposes.
THE VALUE OF INVESTMENTS AND ANY INCOME FROM THEM CAN FALL AS WELL AS RISE AND YOU MAY NOT GET BACK THE ORIGINAL AMOUNT INVESTED.
HM REVENUE AND CUSTOMS PRACTICE AND THE LAW RELATING TO TAXATION ARE COMPLEX AND SUBJECT TO INDIVIDUAL CIRCUMSTANCES AND CHANGES WHICH CANNOT BE FORESEEN.
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 26/02/2026.