Guidance notes


Here’s a handy summary of all our guidance notes so you can quickly access the ones you need.

Pre-planning

  • For anyone thinking about building

Building over or near to sewers

  • For anyone extending their home or building near to a sewer

Fire sprinklers

  • For anyone building a new home or flats in Wales

New water connections

  • For anyone who needs a new water connection to a property

New sewer connections

  • For anyone who needs a new sewer connection to a property

Water main self-lay

  • For developers who wish to construct their water mains themselves (or use another organisation to do this), these guidance notes will help developers apply for self-lay services
  • Note: you should also read our self-lay design guide

New water main requisition

  • For anyone who is building new houses that can’t easily connect to an existing water main

New sewerage requisition

  • For anyone who is building new houses that can’t easily connect to an existing public sewer

Water main diversion or alteration

  • For anyone who wants to remove or alter water mains on their land

Sewerage diversion or alteration

  • For anyone who wants to remove or alter sewerage on their land

Sewerage adoption

Surface water incentive scheme

  • For anyone building a new site who has plans to remove surface water from the wastewater network, you may be eligible for our incentive scheme

Site managers guide to new connections

  • For any site managers who are working with us on new connections