Before you can close an account, you will first need to remove all funds from the account(s). This can be done through the Client Portal via a withdrawal or transfer. Once the balance is Nil you will need to send an email to firstname.lastname@example.org confirming your account number and a written request for it to be closed.
How do I transfer funds between personal accounts?
Can I change the base currency of my account?
How can I change my contact details?