Cash ISAs.

Cash ISA
Save tax free with a Cash ISA.
Get more from your savings. If you are looking for an efficient way to earn interest, an Individual Savings Account (ISA) is tax free – even if you have exceeded your Personal Savings Allowance.
We offer a range of Cash ISAs where you can invest up to the maximum ISA allowance set by the government.
Account Name
Rate
Access Type
Withdrawals
Balance Restrictions
Type
Full Details
Limited Issue Access ISA (31.12.2025)
Earn tax-free interest, with limited access
Variable
Earn tax-free interest, with limited access
Rate
4.85%
Tax Free***/AER**
Rate Term
Branch
Withdrawals
One penalty free withdrawal annually
Minimum Balance
£1,000 – £250,000
Variable
Freehold ISA
Earn tax-free interest and earn tiered rates of interest
Variable
Earn tax-free interest and earn tiered rates of interest
Rate
3.75, 3.95, 4.15%
Tax Free***/AER**
Rate Term
Branch
Withdrawals
90 days’ notice or interest penalty
Minimum Balance
£1,000 – £250,000
Variable
Everyday ISA
Earn tax-free interest and have instant access to your money.
Variable
Earn tax-free interest and have instant access to your money.
Rate
2.90%
Tax Free***/AER**
Rate Term
Branch
Withdrawals
Unlimited withdrawals in the year
Minimum Balance
£10 –
Variable
1 Year Fixed Rate ISA (31.01.2025)
Receive a fixed rate of tax-free interest for a year, with limited access.
Fixed
Receive a fixed rate of tax-free interest for a year, with limited access.
Rate
5.15%
Tax-Free***/AER**
Rate Term
Branch
Withdrawals
No partial withdrawals
Minimum Balance
£100 – £200,000
Fixed
2 Year Fixed Rate ISA (31.01.2026)
Plump for a fixed rate of tax-free interest for 2 years, with limited access.
Fixed
Plump for a fixed rate of tax-free interest for 2 years, with limited access.
Rate
5.15%
Tax-Free***/AER**
Rate Term
Branch
Withdrawals
No partial withdrawals
Minimum Balance
£100 – £200,000
Fixed
Stepping Stone ISA (16-20)
An ISA that can be opened and managed by people aged 16-20.
Variable
An ISA that can be opened and managed by people aged 16-20.
Rate
3.85%
Tax Free***/AER**
Rate Term
Branch
Withdrawals
Unlimited withdrawals in the year
Minimum Balance
£10 – £250,000
Variable
**AER (Annual Equivalent Rate)
A notional rate which illustrates what the gross rate would be if the interest was paid and compounded once each year.
***Tax-Free
Interest is free of Personal UK Income Tax, your Personal Savings Allowance and Capital Gains Tax
Tax free savings
Find a Cash ISA that suits you.
Using our handy savings account finder you can look at our range of currently available Cash ISA accounts and find out our Cash ISA rates. We usually offer both instant access Cash ISAs and fixed term options for those looking to invest funds for a set period of time.
When it comes to saving the only thing better than seeing your money build up is seeing the interest on top. Our easy to use interest calculator will show you how much interest you could earn.
FAQs
Frequently asked questions about Cash ISAs.
A Cash ISA is simply a savings account where you do not have to pay tax on the interest you earn.
The annual ISA allowance is set by the government. For the current tax year the ISA subscription limit is £20,000. Each tax year runs from 6 April.
No. A Cash ISA can only be held by an individual in a single name.
Our Cash ISAs are available for existing members or new applicants resident in our local postcode areas AL, CB, CM, CO, IP, LU, MK, NR, PE or SG. Applicants must be aged 16 or over to open a Cash ISA.
A Stocks and Shares ISA is an investment tool which allows holders to invest in equities (stocks and shares). Suffolk Building Society does not offer Stocks and Shares ISAs.
To check whether you can withdraw funds from your Cash ISA you will need to check your individual product terms and conditions.
You can only invest into one Cash ISA in each tax year, regardless of how many Cash ISAs you may hold with different providers.
Yes, you can hold more than one Cash ISA with different providers. However, you cannot invest into more than one Cash ISA in each tax year.
To check whether you can transfer-in funds from your other Cash ISA(s) you will need to check the individual product terms and conditions. It is important you follow the transfer-in procedures to protect the tax free status of your funds, rather than withdrawing your money and paying into the new account yourself – the latter would be seen as a new investment and then subject to the maximum subscription limits for that tax year.
Building society ISAs are the same as bank ISAs, they are both individual savings accounts which work in the same way and have the same rules applied to the.
Cash ISA
How to open your Cash ISA.
Keen to get started? Our savings accounts are currently available to open in branch or by post. If you’re looking for more information on how to open your account we’ve put together a helpful guide.
If you’re ready to open your savings account by post you’ll need to do the following:
- Download, read and accept the terms and conditions, using our savings account finder.
- Be an existing member or a new applicant resident in our local postcode areas AL, CB, CM, CO, IP, LU, MK, NR, PE or SG
- Read and retain the Financial Services Compensation Scheme (FSCS) information sheet
We will require proof of your identity to open a new account if you are a new customer. For existing members we may request identification, for example if your records with us are incomplete.
Completed application forms should be posted to Suffolk Building Society, Freehold House, 6-8 The Havens, Ransomes Europark, Ipswich, Suffolk IP3 9SJ.
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