How can I top up my cash ISA?

To top up a Triodos Cash ISA:

  • Make a transfer from another account (either an account with another provider or another Triodos account that allows withdrawals)
  • Transfer by cheque if the Triodos cash ISA you want to subscribe to accepts cheques - contact us if you are not sure on 0330 355 0355 or +44 (0)117 973 9339 if calling from abroad

The Triodos sort code is 16-58-10 and you can find your Triodos cash ISA account number on your statements. If you want to deposit a cheque, please post it along with a paying-in slip to:


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Change the type of cash ISA held with Triodos Bank

How to transfer an ISA to a Triodos cash ISA

How to transfer an existing ISA to a Triodos Stocks & Shares ISA

How to update your account and personal details

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