Tax-free interest, next-day access
Grow your savings tax-free — with next-day access when you need it.
An Easy Access Cash ISA is a tax-free individual savings account, which means you won’t pay any tax on the interest that you earn. You can save up to £20,000 into one Cash ISA in any one tax year. With an OakNorth Easy Access Cash ISA your money is FSCS-protected, you get unlimited withdrawals and you can easily transfer your existing ISAs.
It’s important to remember that interest rates on an Easy Access account are variable. They can be increased or decreased at any time. Any changes will be communicated to our customers via email.
Enjoy tax-free growth on your interest. Save up to £20,000 in any one tax year.
Start saving from just £1 — no barriers to opening your ISA.
We don’t charge for withdrawals, and they won’t impact your rate.
The simple, flexible choice
The Financial Conduct Authority (FCA) is a financial services regulator. It requires OakNorth Bank to give you this important information to help you decide whether our Easy Access Cash ISAs are right for you. You should read this document carefully, together with the General Terms & Conditions and Specific Terms & Conditions for our Cash ISAs, so you understand what you are buying, and keep it safe for future reference.
You should scroll down and read all information below carefully before you apply.
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| Term/Product | Gross rate (%) | AER (%) | |
|---|---|---|---|
| Next-day access | 3.20 | 3.25 |
Your Easy Access Cash Isa savings account will start generating interest no later than one business day from when we receive and apply your first deposit to your savings account.
Interest is calculated on the minimum daily balance from the business day your funds are received and applied to the account on the first day of every subsequent month.
If a withdrawal request has been made, interest will be calculated on the total amount until, but not including the day of the withdrawal.
Yes. Interest rates are variable and can be increased or decreased at any time at our sole discretion, as outlined in clause 4 our Specific Terms and Conditions Cash ISAs.
If we increase your interest rate, we will notify you within 30 calendar days of the increase. The change will take effect on the 1st day of the next calendar month (in certain cases, with immediate effect). If we decrease your interest rate, we will notify you at least 14 calendar days prior to the decrease.
| Term/Product | Initial Deposit at account opening | Balance after 12 months |
|---|---|---|
| Next-day access | £1,000 | £1,032.50 |
*This is only an example for illustrative purposes and does not take into account your individual circumstances.
This example assumes that no further deposits or withdrawals are made, that the interest is accrued daily and applied to the account monthly, that any interest earned stays in the account, and that there is no change to the interest rate.
Our accounts are available to individuals, aged 18 or over, who are UK residents (i.e. England, Wales, Northern Ireland and Scotland). Also, you must have a personal UK bank or building society account that allows transfers to be made to and from it.
Applications to open an account must be completed through our website here or via the OakNorth mobile banking app. Please note, in case of transfers from another ISA provider, the applications must be completed through our website.
The minimum amount required for the account to remain open is £1. The maximum deposit for this account is the current tax year allowance for ISAs set by HM Revenue & Customs, which for the tax year 2025/26 is £20,000. In addition, or alternatively, you may transfer existing Cash ISAs from other providers into this account. We’re only able to accept electronic Cash ISA transfers from the ISA providers listed in our online application. These limits are subject to HM Revenue & Customs rules.
There is no limit on the number of deposits made into your account up to the current ISA tax year allowance.
You can transfer Cash ISA balances from the current tax year as well as previous tax years. Please note: If you have already contributed to your Cash ISA in the current tax year and would like to transfer from the current tax year’s allowance, you must transfer the full amount. The maximum amount (excluding interest) that you may hold on deposit with us across all types of accounts is £500,000.
Once you activate online banking, your account can be managed by logging into the OakNorth mobile app or the ‘My Account’ section of our website. Alternatively, you can contact us by email, by phone, or by writing to us. Please refer to our website for our contact details.
Yes. There is no term for an Easy Access Cash ISA and no limitation on the number of withdrawals.
There is a minimum withdrawal amount of £1. No notice of withdrawal is required, and withdrawal requests can be made at any time. The funds will be credited back into your nominated account the next business day, or within 2 business days if the request is received on a non-business day such as a Saturday, Sunday, or a Bank holiday.
You can withdraw funds (partial or full) from your Easy Access Cash ISA via online banking by logging into the OakNorth mobile banking app or through the ‘My Account’ section of our website.
Your money can be returned to your nominated account or transferred to another ISA provider. Please note, if you would like to transfer your ISA out, you will need to contact your new ISA provider and instruct them to request a transfer from us.
If after withdrawing funds where the balance goes to £0, and remains £0 for a period of six months, we can also close your savings account. We will contact you at least 6 weeks before we close it using the email address you gave us. If the account is closed it cannot be reopened, and you will have to create a new account next time.
This is not a flexible Cash ISA, so any money withdrawn cannot be replaced.
Interest is tax-free and doesn’t count towards your Personal Savings Allowance.
The AER (Annual Equivalent Rate) illustrates what the interest rate would be if interest was paid and compounded once a year.
The treatment of your account for tax purposes will depend on your individual circumstances. All tax information is based on our understanding of current law and HM Revenue & Customs practices, both of which may change. For more information visit www.hmrc.gov.uk.
Please note: The information provided in the Summary Box, is a summary of the key features of our Easy Access Cash ISAs. It should not be used as a substitute for our Terms and Conditions which can be found on our website.
An Easy Access Cash ISA means opting for flexibility over high interest. If you’re happy to put your money away for a period of months or years, you could earn more with a Fixed Rate Cash ISA or a Fixed Term account.
Watch your savings grow with a return that makes a difference.
No paperwork, no phone calls — just a few taps to start saving.
Track your savings from the app or your online account and stay in control.
FSCS-protected up to £85,000. Your savings are in safe hands.
Before you get started, remember: with this specific account, you’ll enjoy tax-free interest while maintaining flexibility and next-day access to your funds.
Here’s how it works in 3 simple steps:
Download our app or visit the website to fill out a short application — it only takes a few minutes.
Top up or withdraw as you like — just be mindful of your ISA allowance.
Your interest starts accruing from day one. Sit back and let your savings grow, tax-free.
Since 2015, our lending has helped create 56,000 new homes and 34,000 jobs, driving real impact across the UK. We’re committed to sustainability, targeting net zero across all emissions by 2035, including those we finance. Through our 1+1% Commitment, we donate 1% of group profits and 1% of our team’s time to charitable initiatives, helping communities thrive while your savings grow.
If you’re over 18 years old and you’re a resident of the UK – i.e. you have a permanent UK address that you have had for three years or more – then you’re eligible for an OakNorth easy access cash ISA. You’ll also need to have a personal UK bank or building society to transfer funds into your account.
ISAs are individual savings, so we don’t offer joint ISA products.
Yes, the interest rates on your easy access account are variable. They can be increased or decreased at any time. We will communicate any changes to our interest rates to you via email.
