If you are building a house extension, new home(s), commercial building and need a water connection for your new kitchen(s), bathroom(s), toilet(s), or simply want to upgrade/split your existing water supply, you will need a to apply for a new water connection.
There are a few things you need to know to ensure that a water connection application is the right application for you.
A water connection is how we connect your property or site to our water main.
Here are the reasons when you may need a new water connection:
You will not need to apply for a new water connection if:
In these cases, you can request this from our operational team on 0330 303 0368.
If you need a disconnection along with your water connection, then this should be requested as part of your water connection application. If you need a disconnection on its own, please refer to Southern Water billing team on 0330 303 0277. Permanent disconnections are free of charge, however, please be aware any future connections after the water supply have been disconnected will be a chargeable and will need to go through new water connection application process.
Please use our calculator for an indicative cost for connecting your property or site to an existing Southern Water main.
Don't worry we'll be in touch along the way to make sure everything goes smoothly.
You apply online and pay your application fee Fill in our online form and pay your application fee. We’ll review your application within 5 days. We provide your quoteWe carry out a site survey and produce the construction costs for your project within 28 days. Please refer to our water connection calculator to understand the approximate costs.
You accept your quote and pay for the worksYou review the quote, accept and pay for the construction works, along with filling in our water regulations questionnaire.
We complete the water regulations reviewYou’ll need to fill in water fittings information which we will review within 10 days. For high-risk projects we may need to carry out an inspection.
You lay your private supply pipe You may need to arrange a contractor to lay a private supply pipe from your property. You submit pipework photos for your site inspection Once your private supply pipe is laid, you will need to submit photos for a site inspection. We complete your water connection and install your meterOnce we’ve completed our inspection, we then complete the water connection and install a meter within the next 21 days.
You register your new billing accountYour new water supply is now live. Register your new billing account for the water bills to be addressed to you.
Watch our video explaining how the whole water connection process works from start to finish.
Fill in our online application form using our GetConnected portal. You will need to pay an application fee. We will review and acknowledge your submitted application within 5 days.
When making your application, please make sure you have the following information:
In order to produce a quote for the construction costs at your project, we may need to carry out a site survey to identify where your water connection will be made. Our water design contractor Clancy Docwra may visit your site to carry out the survey.
It is important that any specific access arrangements to your site are made known to us during your application to avoid any delays.
Within 28 days we’ll send your quote, this will include:
Our quotes are valid up to the end of the financial year (31st March), for quotes made in Feb/Mar we give a 2-month extension. If the quote expires or there is any change to the way you want to lay your pipes or connect into our network, then you’ll need to ask for a requote for your site.
You review the quote, accept, and pay for the construction works to proceed with the project. When accepting your quote, we will ask you to fill in water fittings information.
Alternatively, you can decide to opt for working with Self-lay providers instead.
We will review your water fittings information and grant your water regulations consent. This typically takes 10 days. For high-risk projects we also may need to carry out an inspection. If the water regulation inspection is applicable to your project, we will let you know in advance.
After you’ve accepted the quote, paid for the water connection, and received your water regulation consent you will need to arrange a qualified plumber/contractor to lay the private supply pipe from your property. You can find approved plumbers in your area by entering your postcode on the Watersafe website.
Alternatively, you can do it yourselves following instructions and requirements from our guidance below. Please download this guide and share it with your plumber/developer, who will be carrying out pipework for your project.
We need to confirm that the new supply pipe(s) you are laying are at the correct depth, use appropriate material and are safely installed inside the property. The rules for water pipes require us to ensure that all connections are designed and built to prevent contamination of the existing water supply and can resist damage due to cold weather and poor ground conditions.
Once you have laid your private supply pipe(s), you will need to take series of photos, following our instructions and submit them using the GetConnected portal. We will review your photos to make sure your pipework is ready for our crew to connect your property to the water main. This is usually the quickest option.
In some cases, we may need to arrange an in-person inspection. We will let you know in advance if this becomes necessary.
You can check what photos are needed by reading this guide.
If your pipe has been laid across a significant distance (greater than 10 metres) and backfilled, we may need to evidence using trial holes at set intervals to show the depth maintained across the full distance.
If you are a WIAPS-certified plumber or are using a WIAPS certified plumber to do your installation, you do not need to arrange an inspection.
Once you have laid your private supply pipe(s), please submit your WIAPS certificate or reference number and an appropriate photo to show the capped pipe has been brought to the agreed point of connection.
If you are not able to take and upload the required photos of your pipework, you can request and in-person site inspection.
We’ll need at least 72 hours’ notice to arrange for our team member to visit your site. Please note that if we have to abort a pre-arranged visit due to lack of access to your site, there may be an additional charge to re-arrange.
Frequently asked questions