Welcome to Castle Water

Use the form below to update your account information and to find out more about minimising your water and/or wastewater charges.

If we’ve written to you at an address you are occupying and you have not recently switched to an alternative Water Retailer, you are a customer of Castle Water Limited under a deemed contract governed by our Scheme of Terms and Conditions (available here). We are seeking payment from you in respect of the services we supply to your address. The Occupier of the premises is liable for water and/or wastewater charges under the Water Industry Act 1991.

Ofwat allowed a period of reduced charges for businesses closed due to Covid-19 between 16 March and 31 July 2020. We know most of our customers have been affected by Covid-19, so we will automatically apply the appropriate discount for this period when we issue your first bill. You don’t need to do anything in order to benefit from the reduction in fixed charges for this period and it will appear as an adjustment on your bill.

Update my details

*Fields marked with an asterisk are mandatory

Business details
Your supply address
Start date of occupancy*
Your details
Meter Read
Is the supply metered or unmetered Is the supply metered or unmetered?*

To view our top tips for taking a meter reading, click here
If you are unable to locate the meter for your premises, we may be able to help. Please call us on 01250 718700

Billing address
Is this the same as your new supply address? Is this the same as your new supply address?
Billing Delivery Preferences
Please let us know how you would like to receive your bills by ticking one of the boxes below. * Please let us know how you would like to receive your invoices by ticking one of the boxes below.*
Payment details

If you are a new Castle Water customer, please download and complete our Direct Debit Mandate & SIC Form, and attach in the field below.


Download Direct Debit Mandate & SIC Form

STANDARD INDUSTRIAL CLASSIFICATION (SIC) CODE
Please enter the 3-digit SIC Code that applies to your main area of business activity*. You can find your SIC Code here.
Are you registered for VAT? * Are you registered for VAT?
Additional information
Confirmation
I confirm that the information provided on this form is correct. *
I understand that Castle Water reserve the right to reverse any changes submitted by me if they are incorrect or challenged by another party* *