Bills and accounts / Paying your bill

1. How can I change my Direct Debit details?
2. How is my monthly Direct Debit payment calculated?
3. How can I increase or change my Direct Debit payments?
4. Can I change the date of my Direct Debit payments?
5. Can I cancel my Direct Debit?
6. Can I pay my bill online?
7. Can I pay online without a payment slip or my 13 digit payment reference number to hand?
8. How can I change my bank account details?
9. Why have you increased my Direct Debit even though I am in credit?
10. Can I pay my bill by phone?
11. How can I set up a Direct Debit?
12. How can I find out how much my monthly payments will be?
13. What payment methods are available to eBilling customers?
14. Can I pay my bill by Direct Debit?
15. How can I pay my bill?
16. How can I change the bank you collect my Direct Debit from?
17. Can I pay my bill by credit or debit card?
18. Can I pay my bill at the Post Office?
19. Can I pay my bill at my bank?
20. Can I pay my bill at a PayZone?