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Water Services

Lead Pipe Replacements

Lead Pipe Replacements

Guidance Notes

Under the Water Supply (Water Quality) Regulations (Northern Ireland) 2017 (No. 212)

The Lead Pipe Replacement application form can be used to apply for the replacement of an existing lead pipe for separately occupied units or properties situation on the same development, road or street and will place the same demand on the NI Water Infrastructure. The replacement connection must be at the same location as the existing supply, if it is not, there may be a charge for this service.

Failure to complete all sections may result in the delay / return of your application.

This application form relates to lead pipe replacement of existing current domestic or commercial supplies and where these supplies. If your existing pipe and the communication pipe is lead, the work will be carried out free of charge.

Failure to complete all sections in the application form may result in the return of your application.

Please note:

You need to carry out the following work at your own expense:

  • lay a new service pipe to the boundary of your property
  • ensure you have all necessary wayleaves/easements for any third-party lands (Under no circumstances will NIW or contractor(s) working on their behalf carry out work within private property).
  • NIW will carry out the lead replacement work from the boundary of the property to the public watermain in the footpath/road.

Application Requirements

Application Requirements: 

  • Applicant Details: named applicant will be contacted by NI Water
  • Current Connection Location
  • Size of Existing Connection
  • Street works Licence 
  • Declaration

Before submitting your application, please ensure that you have completed all relevant sections and the requirements below have been included.

  • Site Location Plan 1:1250 / 1:2500 map (LPS ACE map will suffice) with the preferred connection point and site boundary clearly indicated in red and relative to an existing feature. Any other land owned by the applicant should be shown with a blue line around its boundaries, and if a public right of way exists within or adjoining the site, it should be outlined in green. Maps / layouts greater than A3 must be submitted in PDF format to waterline[AT]niwater[DOT]com.
  • Street Works Licence (if applicable)

Returning completed forms

Please return the completed application form to:

Northern Ireland Water

Customer Relations Centre

P.O. Box 1026 



Telephone: 03457 44 00 88
Email: waterline[AT]niwater[DOT]com

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