Customer Notice

Our offices and phone lines will be closed on Monday 27 May for the Bank Holiday. We will reopen on Tuesday 28 May at 8am. You can still make a payment online. If you experience an emergency or unplanned disruption to your water supply and/or wastewater service whilst we are closed, please call your Water Network Owner. You can find a list of emergency numbers here. If you experience a problem with the water pipework inside your own building/site, you should call your plumber in the first instance.

Switch your business water and waste today.

Cut the cost of your business water.

Castle Water has more 5 star Trustpilot reviews than all other water retailers combined.

As a business in England, you can now choose your water and waste water supplier in the same way as you can choose your energy or telecoms provider.

If you want to cut costs and enjoy better service, then it is a good idea to compare and consider switching to Castle Water – we supply the same water, but at a lower price.

  • Save money
  • Switching is easy
  • Improved service
  • Accurate bills
  • Flexible payment options
  • Increase water efficiency

Request a quote today!

  • water efficiency switch

    HOW TO SWITCH

    Switching is easy. Start saving today.

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  • water efficiency additional services

    ADDITIONAL SERVICES

    We provide a range of additional services.

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  • water efficiency water efficiency

    WATER EFFICIENCY

    Read our useful water saving tips.

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