how to save water

Contact Us

We are always happy to help with any questions or enquiries you may have. This may be regarding an existing application with our team or a new enquiry to guide you through the process.

Other ways to contact us

Call us on 0345 877 0003
(Monday - Friday 8am to 4pm excluding public holidays)

Email: CustomerEngagementTeam[AT]niwater[DOT]com.

For application & payments:

Self-service portal:
By post: PO Box 2376, Belfast, BT13 3DX

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