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Building and Developing

Help and FAQs
From applying and eligibility to laying and connections, here are the answers to our most commonly asked water questions.

Before I apply

  1. I'm the Executor for a deceased person's estate which is waiting for Probate to be granted; what do I need to do?
  2. My account is in credit - how do I claim my refund?
  3. Alternative bill formats
  4. Am I at risk of Legionnaire's disease?
  5. Are there regulatory standards?
  6. Can Hafren Dyfrdwy recommend a SLP?
  7. Can I apply for a water and sewer connection at the same time?
  8. Can I choose how you refund my credit?
  9. Can I choose the date you take my Direct Debit from my bank account?
  10. Can I connect via backdrop?
  11. Can I have a bill up to the date I move out as this bill is for the whole year?
  12. Can I have a combined foul and surface water connection?
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Charges

  1. I'm the Executor for a deceased person's estate which is waiting for Probate to be granted; what do I need to do?
  2. My account is in credit - how do I claim my refund?
  3. Alternative bill formats
  4. Am I at risk of Legionnaire's disease?
  5. Are there regulatory standards?
  6. Can Hafren Dyfrdwy recommend a SLP?
  7. Can I apply for a water and sewer connection at the same time?
  8. Can I choose how you refund my credit?
  9. Can I choose the date you take my Direct Debit from my bank account?
  10. Can I connect via backdrop?
  11. Can I have a bill up to the date I move out as this bill is for the whole year?
  12. Can I have a combined foul and surface water connection?
View more questions View less questions

Applying

  1. Do I need to complete an application for every connection I need?
  2. I've submitted an application, what happens next?
  3. What do I need to do if there are no mains nearby to connect to?

Your quote

  1. I'm the Executor for a deceased person's estate which is waiting for Probate to be granted; what do I need to do?
  2. My account is in credit - how do I claim my refund?
  3. Alternative bill formats
  4. Am I at risk of Legionnaire's disease?
  5. Are there regulatory standards?
  6. Can Hafren Dyfrdwy recommend a SLP?
  7. Can I apply for a water and sewer connection at the same time?
  8. Can I choose how you refund my credit?
  9. Can I choose the date you take my Direct Debit from my bank account?
  10. Can I connect via backdrop?
  11. Can I have a bill up to the date I move out as this bill is for the whole year?
  12. Can I have a combined foul and surface water connection?
View more questions View less questions

Laying your service

  1. I'm the Executor for a deceased person's estate which is waiting for Probate to be granted; what do I need to do?
  2. My account is in credit - how do I claim my refund?
  3. Alternative bill formats
  4. Am I at risk of Legionnaire's disease?
  5. Are there regulatory standards?
  6. Can Hafren Dyfrdwy recommend a SLP?
  7. Can I apply for a water and sewer connection at the same time?
  8. Can I choose how you refund my credit?
  9. Can I choose the date you take my Direct Debit from my bank account?
  10. Can I connect via backdrop?
  11. Can I have a bill up to the date I move out as this bill is for the whole year?
  12. Can I have a combined foul and surface water connection?
View more questions View less questions

Connections

  1. I'm the Executor for a deceased person's estate which is waiting for Probate to be granted; what do I need to do?
  2. My account is in credit - how do I claim my refund?
  3. Alternative bill formats
  4. Am I at risk of Legionnaire's disease?
  5. Are there regulatory standards?
  6. Can Hafren Dyfrdwy recommend a SLP?
  7. Can I apply for a water and sewer connection at the same time?
  8. Can I choose how you refund my credit?
  9. Can I choose the date you take my Direct Debit from my bank account?
  10. Can I connect via backdrop?
  11. Can I have a bill up to the date I move out as this bill is for the whole year?
  12. Can I have a combined foul and surface water connection?
View more questions View less questions

General

  1. I'm the Executor for a deceased person's estate which is waiting for Probate to be granted; what do I need to do?
  2. My account is in credit - how do I claim my refund?
  3. Alternative bill formats
  4. Am I at risk of Legionnaire's disease?
  5. Are there regulatory standards?
  6. Can Hafren Dyfrdwy recommend a SLP?
  7. Can I apply for a water and sewer connection at the same time?
  8. Can I choose how you refund my credit?
  9. Can I choose the date you take my Direct Debit from my bank account?
  10. Can I connect via backdrop?
  11. Can I have a bill up to the date I move out as this bill is for the whole year?
  12. Can I have a combined foul and surface water connection?
View more questions View less questions

Legionella

  1. Am I at risk of Legionnaire's disease?
  2. Are there regulatory standards?
  3. Where does Legionella come from?