Looking to Switch Water Supplier?

Save up to 20% on your bill with Castle Water

We make switching easy and stress free
Fast efficient service from our UK based team – we answer calls within an average of 33 seconds*
We can provide one simple bill that’s hassle free with Direct Debit
From consent and compliance, to billing and efficiency, we’ve got trade effluent covered too
We’ll help you find simple ways to save water and money