Connection application forms, guidance and prices

You can complete some of our application and enquiry forms online (Purple)

If the application or enquiry form you need isn't listed, you will be able to find a PDF version of the application form to complete offline.


Contact Developer Services

Whether it's a large or small development, our team is here to answer any questions you have about your building project.

Water and waste service connection application

Use this form if you are applying for a new water or waste connection.

You will need to apply for a new water or waste connection if you’re working on a new development of five buildings or fewer and you need to:

  • connect to an existing water main
  • increase the water supply from an existing water main
  • connect to an existing sewer
  • increase the waste flow of an existing sewer

Water and waste service development equiry

Use this form if your development is for six or more buildings.

You should submit a development enquiry if you aren’t yet at the planning approval stage and you want to know if we can supply water and waste services to the site.

We’ll give you estimated costs and capacity to supply your development.

Self-lay point of connection application

Tell us if you or your contractors will self-lay a new connection.

Self-lay providers must be accredited by the Lloyd’s register Water Industry Registration Scheme (WIRS).

We’ll assess water and/or waste service capacity for the proposed development.

New water main requisition

Use this application form if a new water main is needed to supply 5 or more properties on a development site

This form will allow you to:

  • Request for a new water main to be constructed along a new or existing road
  • Request for an existing water main to extended

Adoption of sewers application

You’ll need to complete a sewer adoption application if you want to enter into an adoption agreement with us.

(Section 104 of the Water Industry Act 1991)

You’ll need to complete a sewer adoption application if you want to enter into an adoption agreement with us before the new sewers are built.

In a Section 104 sewer adoption agreement, the developer builds sewers to a standard agreed to by us. We’ll take ownership of the sewer at a later date, usually after a few years.

Sewer requisition application

You must get agreement from the landowner to lay pipes on their land.

(Section 98 of the Water industry Act 1991)

You must get agreement from the landowner to lay pipes on their land. If you’re unable to reach an agreement with a third-party landowner, we can lay the pipes for you.

Complete a Section 98 sewer requisition application if you want us to lay a sewer on your behalf across third party land where you’ve been unable to reach agreement with the landowner.

Diversion of water assets application

Complete this form if part of our water network on your land may need moving.

We will provide a quote for the job and estimate when we may be able to do the work.

Diversion of waste assets application

Complete this form if part of our waste network on your land may need moving.

We will provide a quote for the job and estimate when we may be able to do the work.

New Appointment and Variation enquiry

This form is for New Appointment and Variation (NAV) enquiries.

Submit a New Appointment and Variation (NAV) enquiry if your proposed development plans to use a new water or waste company within an existing company’s region.


PDF application and enquiry forms

Not all our applications are available to complete online (Grey).

Here you can download and complete PDF versions of all our application forms. You will find information about how to submit the application on the form.

Water network application forms

Waste network application forms

Combined application forms


Codes for adoption

Use these forms to progress a S104 sewer adoption application that has already been made.

Pre-application reading and template agreements [PDFs]

We have a library of guidance PDFs you can read and download to help you in your application and build.

Water connections

Sewer connections

Water and Sewerage