Help and Contact

What should I do if I think I have a blocked sewer/drain?

Help and advice if you think you have a blockage

Blocked sinks and toilets are really unpleasant. They are usually caused by blocked sewers in or near your home. 

You'll need to check who's responsible for what to understand who'll need to be contacted.

There are two types of sewers - private and public.

Private sewers belong to you, the customer. You'll need to call a plumber to help you with this - search our approved plumbers.

Public sewers belong to us here at Hafren Dyfrdwy, just call us on 0800 085 8033 to let us know. This line is open 24 hours a day, seven days a week.

There are also public highway drains and gulleys,  you'll need to contact your local authority to help with this.

If you're at risk of flooding because of severe weather, visit our flooding advice page.

For more help or advice call us on 0800 085 8033. This line is open 24 hours a day, seven days a week.

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Emergencies (24hrs)

0800 085 8033

Billing Enquiries

0330 678 0679

Business Customers

0330 678 0646

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