
Fixed and Variable Cash ISA
Earn a consistently competitive rate of interest and see your savings grow. Existing customers can benefit from loyalty rates.
Earn 4.00% AER*/Tax-Free/Fixed Rate on a one-year Fixed Rate ISA term.
| Advertised rates | Advertised rates | Loyalty rates | Loyalty rates |
Term | Tax-free | AER* | Tax-free | AER* |
1 year fixed rate | % | % | % | % |
2 years fixed rate | % | % | % | % |
3 years fixed rate | % | % | % | % |
Variable rate | 0.10% | 0.10% | 0.10% | 0.10% |
If your Fixed Rate ISA has renewed over this period, please log in to Online Banking to view your latest Loyalty rates.
This is a Fixed Rate ISA where your investment and interest is fixed for a period of time and early closure is subject to 180 days loss of interest. The Variable Rate ISA will automatically open to facilitate your account opening and transfer at maturity.
(If you are looking for more flexibility in accessing your money, you may find our Online ISA more suitable.)
Why choose Cynergy Bank's Fixed and Variable Cash ISA?
Award-winning
Cynergy Bank was highly commended in the category of ‘Best Notice Account Provider’ at the Savings Champion Awards 2024. Read more
% AER* Tax-free / Fixed Rate
Earn % AER* Tax-free on the one year Fixed Rate ISA term. Scroll down for other terms and rates, including loyalty rates for existing customers.
Check your balance on the move
Watch your money grow on our new mobile banking app for personal customers.
Is this account suitable for you?
The Fixed and Variable Rate ISA is suitable if you want a long-term investment, with a guaranteed return at the end of the term.
This ISA is suitable if you pay tax on your savings and you are a UK resident for tax.
The Fixed and Variable Rate ISA is not suitable if you want instant access to your savings.
This account may not be suitable if you're concerned about interest rates changing.
Things to consider before you apply
You can choose to complete an ISA transfer on application. Current year subscriptions must be transferred in full, previous year subscriptions can be partial or full transfers.
This is not a flexible ISA. Any money you withdraw in a tax year cannot be replaced.
If you apply for a fixed rate term, we’ll also open a variable rate ISA for you, but you don’t need to use it.
Early closure of a fixed rate term is subject to 180 days loss of interest.
Apply in minutes
Before applying
Please read the along with the and the Summary Box before applying, to ensure you understand the features and conditions of the account.
To open an account online, you need to be:
18 years old or over; and
A UK resident for tax purposes.
You will need:
National Insurance Number
Your mobile phone number and email address
Between £500 and £20,000 for a new investment, or £500 and upwards for a transfer.
Existing customers
If you're already a Cynergy Bank customer you can open an Cash ISA via the online application and providing your existing account name and number.
Please read the important information below before applying:
Please note that information in the Summary Box is a summary of the key features of the account and is not intended to be a substitute for reading the Terms and Conditions.
Apply for Fixed Rate and Variable Rate ISA
Fixed Rate and Variable Rate ISA terms and conditions
Download and readStart your Fixed Rate and Variable ISA application
Apply nowSummary Box for Fixed and Variable Rate Cash ISA
What is the Cash ISA interest rate?
Can Cynergy Bank change the interest rate?
What would the estimated balance be after 12 months, based on a £1,000 deposit?
How do I open and manage my Fixed and Variable Rate ISA?
Can I withdraw money?
Additional information
Which providers can I transfer my ISA from?
Notes and definitions
* AER stands for Annual Equivalent Rate and illustrates what the interest rate would be if interest was paid and compounded once each year.
Ways you can contact us
Email us
using our online form.
