Cash ISA (Please note that the Society does not currently accept ISA transfers-in to its Cash ISA accounts)

Interest Rate: 

1.35% AER/Tax Free


Interest is calculated daily and added to the account annually on the 31st March.

Can Swansea Building Society change the interest rate?
Interest rates are variable and may be amended at any time. We will give you 14 days written notice by post of any proposed change in our interest rates. They will also be posted on our website at or you may telephone our Investment Department on 01792 739100. Details of other Swansea Building Society savings accounts interest rates are available in our Range of Savings Accounts leaflet.
What would the estimated balance be after 12 months?
Projected Balance = £1,013.50
This figure is for illustration purposes and is based on a deposit of £1000 with no additional deposits, withdrawals or changes in interest rate within the 12 month period.
How do I open and manage my account?
Only one account per person is allowed. To open an account you must be resident in Wales. Simply call at one of our branches or complete an application form and post it to us together with a cheque made payable to ‘Swansea Building Society a/c (your name)’. Minimum investment is £1.00. The maximum investment is determined by ISA regulations in force at the time. You will need to provide some identification when you open your account and details of our requirements can be obtained from your local branch or on our website. Deposits can be made by cheque, electronic bank transfer, transfer from another account held with the Society (subject to the Terms and Conditions of that account) or cash (Cash deposits are limited to £3,000 per customer per day).
Can I withdraw money?
You can withdraw money from your account at any time without notice or penalty by visiting us at a branch or sending us your written instructions. Minimum withdrawal is £1 (or less if closing). Minimum balance to be held in this account is £1.
Additional information

For General Terms and Conditions applicable to this account see “General Terms and Conditions for the operation of Savings Accounts" available from our branches or online at
Interest is paid gross without tax deducted.
AER stands for Annual Equivalent Rate and illustrates what the interest rate would be if interest was paid and added each year.
Please note, the tax treatment and rate of interest payable depend on the individual circumstances of each customer and may change in the future.

Statements are sent out 31 March annually.

For further rules governing the operation of Cash ISAs see the "Cash ISA Key Features Document" available from our branches or online at

The maximum balance across all accounts held with the Society is £85,000 for a single customer or £170,000 for joint customers where the customer first opened an account with the Society on or after 1 January, 2017. Where excess monies are received, such monies will be returned using the same method by which they were deposited.



You can download any of our application forms or related documentation here. If you need any help with completing one please give us a ring on 01792 739100 where one of our team will be happy to help you.