Setup or Amend a Direct Debit

A Direct Debit offers you a choice of payment dates and you can spread your bill over installments at no extra cost.

Use this form to:

Provide an instruction to your bank or building society to pay you water bill by Direct Debit.
Amend the date/day or frequency of a direct debit.
Amend the bank details you use to pay.

If you want to amend the amount of your direct debit, please contact us.

Please click here to view our Direct Debit Guarantee.

Service user number 997542.

PLEASE NOTE: If you choose a date to pay your bill by Direct Debit and it is within the next two weeks. This payment will be taken the following month.

You will need

Your Welsh Water account reference number This can be found in the top right corner of your bill, on your My Account dashboard, or the reference on your payment if you pay by direct debit.
Bank details Bank account number and sort code
Permission from account holder If applicable

I'll come back later

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Setup or Amend a Direct Debit

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