I specified the wrong IBAN number when transferring money to a UK bank. How can I correct this?

How can I cancel a transaction online?

How to Stop an Online Payment

1. Stop it fast. It is easier to stop an online payment within the first 24 hours of the transaction. …
2. Call the company. Immediately call the company and let them know the payment was made in error. …
3. Send an email. …
4. Call the bank.