Application to connect to a public sewer

Please complete this form if you would like to connect your property to the public sewer. Sewer connection applications are reviewed under Sections 106 & 107 of the Water Industry Act 1991.

Find out what you need to do before you apply or download our guidance notes:

Guidance notes - Connecting to a public sewer (0.5Mb)

Make sure you have all the necessary information to hand before completing our five page online form. Do not use the back button on your browser as any data you’ve entered will be lost. Please make sure you have your credit or debit card details ready in order to pay the application fees.

All fields marked with required must be completed before submitting the form.

If you’d prefer to download and complete an application form:

Connect to a public sewer application form pdf

We charge the following fees per connection point:

Direct connection £330 Indirect connection £110 Manhole relocation £330

You or someone you appoint will undertake the connection work.

Please note that we do not currently offer competitive sewer connection quotes, unless the sewer connection is to a trunk or strategic sewer. For details about connections to trunk or chemical sewers, see here. 

Any personal information that you provide will only be used to process this application. For full details on how we’ll use the information you provide in your application, click here.

We use a third party, WorldPay, to collect all payment details and process payments made through our website. When submitting this form, you will be redirected to WorldPay's secure server where you will be presented with a series of payment pages, enabling you to choose your payment method and enter your payment details. WorldPay will record your payment details against the details submitted on this form, to produce a transaction. The transaction details will be forwarded to the card issuer for authentication. The issuer will then return an authorised or declined response to WorldPay and a payment response page is then displayed to you. If the transaction is successful, WorldPay will also send you a confirmation email, confirming the transaction details. WorldPay accept card payments from MasterCard, Debit MasterCard, Visa Credit, Visa Debit, Visa Electron, Maestro, JCB, and Solo.

Payment or refund related enquiries

If you would like to contact us about an online payment or refund, please call us on 0800 009 3921, our lines are open Monday to Friday from 8am to 5pm. You can also email us developer.services@thameswater.co.uk.

In addition to contact information, you'll need to provide a site location plan indicating:

  • Type of connection (surface water, foul water or combined)
  • Location of the connection (separate points should be labelled individually)
  • Size of the proposed connection
  • Size of the sewer
  • Level of connection (interpolated)
  • Method of connection (e.g. manhole or junction)
  • Peak design flow details
  • Type of sewer you're laying (e.g. clayware)
  • Details of planning conditions (if applicable)
  • If you are carrying out the construction, evidence of health and safety or Construction design and management(CDM) competence.

 You'll also need to provide credit or debit card details, in order to pay the required deposit and charges.

Tab1

About you

About the person applying

This is the person we'll contact about the application and will receive all correspondence. This can be the property owner or someone acting on their behalf.

Applicant contact details

We'll use these details to get in touch with you about your application

Applicant address details

Nominated contact

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Tab2

Your site

Where the work is taking place

Invoices

This person will also receive the quote.

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Tab3

Your work

Connection details

Working out the cost

Get a quote for construction

We can also provide a quote for constructing your proposed connection/lateral drain.

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Tab4

Upload files

Upload your documents

All drawings must be of suitable detail and have a drawing reference number on them.
Your file sizes cannot total more than 20Mb .
0.00MB
Space remaining: 20MB If your files total more than 20 MB, try compressing them.
This should show new buildings, roads, sewer locations and their depths
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Space remaining: 20MB If your files total more than 20 MB, try compressing them.
This should show proposed drainage details, sizes/depths and proposed connection points to the public sewer.
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Space remaining: 20MB If your files total more than 20 MB, try compressing them.
Only applicable if carrying out construction. This is a method statement for maintaining safety and existing sewer flows during connection works.

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Tab5

Review
Please review and confirm your details. You won't be able to submit the form until all mandatory fields have been completed

About you

The site

The work

Upload file

Declaration

One or more of the fields you have entered is not in the expected format. Please amend any fields highlighted in red.

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Tab6

Pay