IMPORTANT NEWS - The way that Developer Services charge for their work changed on 1 April 2018. Please click here to find out more.
You can apply to divert a water main using our Application Form.
You will also need to complete the Risk Assessment for Water Pipes in Land Potentially Affected by Contamination form.
Please complete all sections and provide the information requested so that your application can be processed as quickly and accurately as possible.
Flowchart and charges
Information on our Developer Services Charging Arrangements can be found here.
Our minimum standard for delivery will be in accordance with the Water UK Levels of Service.
For further information on these standards and to see our performance please click here.
Although we pride ourselves on the service we provide to our SLP customers, on occasion we may fall short.
Target Timescale (days)
Form of Redress
|Self-lay point of connection -written acknowledgements issued within a period of 5 days commencing on the day after receipt confirming either that the application is completed or if not , requesting the missing information.||5||Contact from the Developer Services team to agree next steps|
|Self-lay Point of Connection reports <500 plots etc. - reports issued. Report to be issued within 21 days commencing on either (i) on the day after receipt of a full application or (ii) the day after the required information has been provided . An application is full when all the required information and any required payment have been received . A Pock enquiry includes any necessary modelling work.||21||Refund of that element of the application fee up to a maximum of £120|
|Self-lay Point of connection reports >500 plots etc. - reports issued .Report to be issued within 28 days commencing on either (i) on the day after receipt of a full application or (ii) the day after the required information has been provided. An application is full when all the required information and any required payment have been received A PoC enquiry includes any necessary modelling work.||28||Refund of that element of the application fee up to a maximum of £120|
|Self-lay design approval and terms request application - written acknowledgements . Issued within a period of 5 days commencing on the after receipt confirming either that the application is complete or if not ,requesting the missing information.||5||Contact from the Developer Services team to agree next steps|
|Self-lay and terms requesting <500 plots etc. quotations. Written terms to be issued within a period of 14 days commencing on the day after receipt of as full application. An application is full when all the required information has been received. Terms include the design approval ,the amount of the asset payment and any amount to be paid by the SLP or Developer . A self-lay Adoption Agreement is to be issued with the terms. Rejections should fully document the reason for the rejection.||14||Refund of that element of the application fee up to a maximum of £180|
|Self-lay and terms requesting >500 plots etc. quotations. written terms to be issued within a period of 14 days commencing on the day after receipt of a full application. An application is full when all the required information has been received. Terms include the design approval ,the amount of the asset payment and any amount to be paid by the SLP or Developer . A self-lay Adoption Agreement is to be issued with the terms. Rejections should fully document the reason for the rejection.||28||Refund of that element of the application fee up to a maximum of £180|
|Self-lay signed agreement - acknowledgements. Issued within a period of days commencing on the day after receipt of the signed agreement||5||Contact from the Developer Services team to agree next steps|
|Self-lay water for pressure/bacteriological testing - provided. Provide a source of supply for pressure and bacteriological testing within (i) 28 days commencing on the day after receipt of a written request or 9ii0 such longer period as may be agreed with the SLP where there are engineering difficulties /requirements for off-site reinforcement/Schedule 13 WIA 1991 constraints or where the SLP requests an extended period.||28||£100 for each week up to a £2000 limit|
|Self-lay permanent water supply - provided. Provide a permanent supply connection within 14 days commencing on the day following notification in writing of satisfactory pressure and bacteriological testing of the self-lay mains.||14||£100 for each week up to a £2000 limit|
|Self-lay vesting certificates - issued . Issue vesting certificate and all information for Asset Payments claim (including on part constructed work) within 7 days commencing on the day following notification that the section of main has been connected.||7||Refund of that element of the application fee up to a maximum of £90|
|Self-lay Asset Payments - issued. Make Asset Payment due on all sections of connected mains within 35 days commencing on the day following receipt of a valid invoice claim by the SLP.||35||£100 (one off payment)|
|Self-lay plot references and costing details. Issue plot reference information and costing details within 14 days commencing on the day following written notification of (service) connections call-off by the SLP. Costing details to specify all charges payable on each service connection, including infrastructure charges and the cost associated with the provision of meters and any fittings procured from the water company.||14||Refund of that element of the application fee up to a maximum of £11|
When financial redress is applicable, payments will be sent back to customer who paid for the service within 60 days of the Levels of Service being published on Water UK’s website.
The redress scheme is a temporary arrangement, in line with the requirements of Ofwat's Code for Adoption Agreements. We are working with Water UK and all other companies to determine appropriate and consistent redress arrangements across the sector.
We will update our website on completion of this work.
How can we help
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What is the process for a new water connection?
There are 6 steps to getting a new or replacement water connection: Step 1 – ApplicationStep 2 – Site SurveyStep 3 – QuoteStep 4 – PaymentStep 5 – Pre-connection requirementsStep 6 –Arranging connection There are more details of our process on our new water connection...
How much water is supplied and taken away each day?
We supply over 345 million litres (76 million gallons) of water through 15,185KM of mains pipes every day. We take away and treat over 500 million litres (110 million gallons) of waste water at over 640 treatment works through 14,995km of sewers every day.
Why has the water cover been marked with paint?
We use blue paint to either mark a location of a stop tap or meter when we’re planning maintenance work or when we know there’s a fault that needs resolving. Other utilities also use a different colour paint to mark locations of their apparatus for the same reasons.
What’s happening in my area?
You can find out about work we are doing in your area by looking at our In your area site.
What do I need to do if I’m planning to build an extension or conservatory?
Our sewers run under ground in streets, gardens, fields and land, so if you're building an extension you will need to check if there is a sewer nearby. We can then make sure that your home and our pipes are protected during and after the build. You can find guidance on...
Does my pipework need to meet with any regulations?
Yes, pipework and plumbing must comply with the Water Supply (Water Fittings) Regulations 1999. These are designed to stop contamination of water supplies by preventing back-flow, back-siphonage and interconnections of water from other sources.
Can I arrange to lay my own water mains and make service connection?
Yes, if you are or are employing an accredited self lay organisation, you can undertake this work. You can agree with us to lay your water mains and connections, however you will need to make an application to do so. You’ll find more details within our Self lay...
How much does a new water connection cost?
We’ll provide you with a quote which will be specific to your connection requirements after we’ve completed a site survey. The quote will be made up of: Connection costs (all work, materials required for us to make connection) Traffic management (depending on the...
How do I apply for a new sewer connection?
You can complete our sewer connection application form and return it to us by email, the guidance notes contain more information. You’ll need to arrange for a drain to be laid from your property to our sewer. If you need help in locating the closest public sewer, you...
Can I build over a public sewer?
Yes, if your extension or proposed building work is over or within 3 metres of a public sewer or lateral drain, you’ll need to let us know. You’ll need to check our guidance notes to ensure you meet the criteria and if so, complete the Declaration of works form online...
Why do I need permission to build over or close to a public sewer?
We need to approve your proposal of works (even if you have already had planning permission granted) as your building could cause damage or prevent access to the sewer. Some conservatories and minor works don’t always need planning and/or building regulation approval,...
What if my extension was built over a private sewer before 1 October 2011?
If the property was built before the transfer of private sewers to us on 1 October 2011, the works are legal as there would have been no need for approval before this date. There's more information here on building over a public sewer after this date.
What does a CON29DW drainage and water search contain?
The Conveyancing 29 Drainage and Water (Con29DW) is designed to identify any liability that you may incur as an owner and uncover problems that may impact on the property value and lead to expensive maintenance bills. The search contains: An analysis of the risk of...
What public health and environment services do you provide?
Our Laboratory analyses environmental and recreational samples to support businesses in meeting regulatory and public health requirements.
What kind of laboratory tests and services do you carry out?
Our laboratory carries out a wide range of chemical and microbiological tests. We analyse environmental and recreational samples to support business’ meet their regulatory and public health requirements. If you’d like to make an analytical enquiry you can use our online...
Can you test our trade effluent?
Yes. Our laboratory offers an independent analytical service for trade effluents. If you’d like to make an analytical enquiry you can use our online form