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What to do when you’re moving house

Whether you’re moving house within or out of our area, you’ll need to notify us, so that we can make the process as smooth as possible for you.

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Moving house? Here’s what to do

Moving to a new home is an exciting yet busy time, and we’re here to simplify things for you. Managing your Southern Water account during your move is essential for a smooth transition. Here’s how you can easily handle your water bills when moving house.

Whether you’re a homeowner, a tenant, or a landlord, your first step is to notify us about your change in address. Based on your situation, we’ll guide you through managing your water efficiently.

Have the following details ready before you begin:

  • Customer number: The 8-10 digit number at the top right of your water bill.
  • Payment reference: The 13-digit number on your latest bill.
  • Final meter reading: Learn more about how to find and read your water meter.

Frequently asked questions

Here you can find answers to some frequently asked questions about moving home.

To check if your new home is on a water meter or rates, you can contact us directly. If you’re unsure whether we’re your company, use the Water UK postcode checker. You might also be able to check by inspecting your property for a water meter or by asking the previous owner.

You can easily find who supplies the water and deals with the wastewater in any area using the Water UK postcode checker. Enter the postcode for your new address to identify the water company that covers your area.

If you’re new to the area, you can set up an online account through our portal. All you’ll need is your new address and the date you’ve moved in.

If you've relocated but we’re still your company, it's important to update your information with us. You’ll need to have the following details at hand:

  • Your customer number (found on previous bills).
  • The payment reference number from your last bill.
  • The final meter reading from your previous property (if applicable).
  • Your new address along with the date you moved in.

.Learn more about how to find and read your water meter.

To cancel your water bill, notify us up to 30 days before your moving date and up to 90 days afterwards. We will close your account and send you any final bills or refunds. You can cancel your water bill online.

You’ll need the following details:

  • Your customer number.
  • Your payment reference. This is the 13 digit number on the top right of your bill.
  • Your last name as shown on the bill.
  • Your meter reading, if you have one to hand.
  • The date you’re moving out of your property.

On your moving day, provide us with a final water reading at your old house, taken on the day you move out.  We can then make sure your account is accurately closed and transferred to your new home. Once you're into your new home, take a water reading there and let your water company know. 

After setting up your new water account, your first bill will typically arrive within a few weeks. If you’re on a water meter, your bill will depend on your usage and your billing cycle. We’ll keep you informed of your next billing date.

As a landlord, you can inform us about new tenants using the Landlord and Tenant Address Portal. This portal makes it easy to update tenancy details making sure bills are sent to the correct person and allow you to access reports and your history at any time. You can also enter multiple changes at once, reducing the time spent inputting information.

You should notify us up to 30 days before your moving date and up to 90 days afterwards. If you've moved house but we're still your water company, you’ll need to update your details online so we can set up the water bill for your new home. In case you need to close your account with us, you can close your account online to get a final water bill.

Yes, you can set up a water bill in advance by contacting us before your move. Simply create an online account or update your existing one, and provide your moving date. This means that your water supply is ready ahead of time.

Water rates are usually the responsibility of the tenant unless the tenancy agreement states otherwise. Be sure to clarify who is responsible for the water bill before you move in.

No, water companies in the UK are assigned based on the location of your property, so you cannot change it. We’ll remain your water company, or become your new one, if your new home falls within our area.

To find out which company covers your new location, you can use the Water UK postcode checker.

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