Types of New Connections Applications
Small Diameter application can be used to apply for new or replacement water connections up to and including 32 mm in external diameter provided each separately occupied unit or property is situated on the same development, road or street and will place the same demand on the NI Water Infrastructure.
Large Diameter application can be used to apply for new or replacement water connections greater than 32mm in external diameter.
Sewer application should be used when applying for all connections to a public sewer.
Before you start, please ensure the Occupier (if known), the Developer and On-site Contact are registered on our Self Service Portal. You will need their registered email addresses to proceed with your application.
