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General enquiries:

Customers with individual enquiries about their water/wastewater service will need to contact their relevant supplier.

Find your local water supplier

If you are a household customer, you can check who provides your water and sewerage services by entering your postcode below.

This tool is run and managed by a company separate to Water UK. If there is an issue with the results please do not contact Water UK directly.

If your address isn’t listed it could be that your postcode is not yet included in the search tool. If this is the case you could try asking a neighbour, your estate agent or property developer.

If you have a question about your water or wastewater provision please contact your water company directly.


Water UK
3rd Floor, 36 Broadway
London SW1H 0BH
Telephone 020 7344 1844 (for Water UK enquiries only)

How to find us:

By tube and train

St James’s Park (District and Circle lines)

Westminster (District, Circle and Jubilee lines)

Waterloo International (Jubilee, Bakerloo and Northern lines. Eurostar and national rail station)

Victoria Station (District, Circle and Victoria lines. National rail and Victoria coach station)

Travel information for London can be found at or by calling 020 7222 1234

Parking and congestion charges

Our offices are inside the London congestion charging area. Further information can be found at

Media line:

This is a dedicated phone line and email address for use only by journalists and stakeholders who need to contact our Communications team.

Please note that we do not handle calls from members of the public on this number.

020 7344 1805

You can find out who supplies your local water and sewerage services using our postcode search.