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

Charging arrangements

Due to the time we need to process applications, we can only guarantee issuing quotes for new sewer connections under the current financial year’s charging arrangements up until 4 March of that year. In each case, the application must be complete and require no further information.

We can’t guarantee that any applications submitted after those dates will be issued under that year’s charging arrangements.

If you’ve not begun work, you can request a requote under the following year’s charges after 31 March. Please note that a requote fee will be applicable.

  • The table below shows the fees for public sewer connections:
    Connection type Price per connection
    Direct connections £330
    Indirect connections £110
    If you opt for us to construct the connection(s) then any costs we incur will be payable by the applicant.

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

Please email us developer.services@thameswater.co.uk.

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

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.

$$$$$

Tab6

Pay