Developers and building

Whether you're building your own house, adding an extension or planning a big commercial development, we'll work with you to make sure your water and sewerage plans are right for your project.

Yorkshire Water colleagues

How can we help?

I want a water connection estimate

Get a free estimate for up to three households

I want an estimate for a large development site

Get a free estimate for new water mains and plot connections

I'm an SLP

Information for self-lay providers

I'm a NAV

Information for new appointments and variations

I need a new water connection

Apply to connect to our existing water supply network

I need a new water main

Request a new water main and service connections

I need a sewerage connection

Apply to connect to the public sewer network

I'm building near a public sewer

Send us a sewer build-over enquiry

I want to locate pipes near my property

Order a map of our water and sewerage network

I want to find an application

Go to our application library

I want to log in

Log in to our portal to apply online and access previous applications

I want to get in touch

From home extensions to commercial developments, we're here to support your project.

All services


If you're building or converting a property you'll need to apply for a new water connection.


Apply for permission to build over a public sewer or for a new sewerage connection.

Developer Services charges

Our services charging arrangements.

Frequently asked questions

Everything you need to know about Developer Services.

Environmental incentives and credits

See what discounts are available for sustainable developments.

Level of Service

Our performance reports show the level of service you can expect from us.

Unsure which developer service you need?

Whatever you're planning to build, we've created a guide to help you find what you need.