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Manage your account online

Everything at your fingertips

castle water mobile app showing account balance

24/7 secure access

Manage your account safely and securely online anywhere, anytime from your desktop or smartphone.

Manage payments

Manage payments and find invoices and statements for one or multiple accounts all in one place.

Meters and readings

Find your meter, submit meter readings and track usage to make sure you only pay for the water being used.

Direct Debit

Set up Direct Debit quickly and securely for all your accounts in just a few minutes using the portal.

Help and support

Find the answers you need, make a new request and track open request cases faster than ever before.

people use the portal on average each day
castle water account tour popup on the portal

Get the most out of your portal

Tours walk you through how to use different tools in the portal. All the tours that we think will be most useful to you are available from the portal homepage.

Easier for you. Kinder to the planet.

Looking for your latest invoice, past invoices or letters from us? Log in to search, view and download them all on your personalised online account. For fast, reliable eco-friendly billing switch on paperless billing.

image of castle water portal. update information page
image of castle water portal.

Get the answer faster

Save time and skip the queues by chatting to an advisor online, or use the portal's Help and Support centre. You can also open a new request case and get updates on existing cases.

Don't pay a penny more than you have to

We use your meter readings to help calculate your water bill so you only pay for the water used. We recommend submitting meter readings every month.

Step 1

Find your water meter using interactive map on your online customer portal here.

Step 2

If your meter is safe to access, note your reading (we only need the black digits).

Step 3

Log in to the customer portal and submit the meter reading you took.

Keep an eye on your usage

Your meter reading data is tracked in the consumption dashboard in the portal, so you can keep an eye on things. 

Screenshot of the Castle Water customer portal shows water consumption data displayed on a graph.