How can I set up a Direct Debit? You can set up a Direct Debit online.Alternatively, you can contact usto set one up over the phone. Related articles How can I increase or change my Direct Debit payments? How can I change my Direct Debit details? How is my monthly Direct Debit payment calculated? How can I pay my bill? Can I pay my bill by phone? Can I change the date of my Direct Debit payments?