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Monday to Friday, 8am to 6pm (for non-household billing enquiries, please contact your retailer).

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Water supply and sewerage

0345 600 4 600

Monday to Friday, 8am to 6pm (emergencies only at other times)

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  • Blocked sewers

    We are responsible for maintaining public sewers. As a homeowner, you are responsible for private sewers and drains.

    When a public sewer gets blocked, we will unblock the sewer free of charge; you are responsible for dealing with a blocked private sewer or drain.

    Before employing a drain clearance service, it is important to check whether a blockage is in a public or private sewer. 

    If you think you have a blocked sewer, please contact us so we can find out whether it is a public or private sewer.

    Most blockages can be cleared within minutes so if it is your responsibility remember to obtain a clear breakdown of the costs involved before employing a contractor. 

    If you are affected by sewer flooding, we are able to help and, where appropriate, pay compensation.

    Our sewers are not designed to cope with modern disposable products and as a result these items can cause blockages.

    Around 75% of blockages involve disposable items and this costs British householders millions of pounds annually in plumbing bills.

    You can avoid this unnecessary expense by following our advice on how to avoid blockages.

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