• SAVE WATER

    Help your business save water and money.

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  • CUT YOUR COSTS

    Reduced rates and improved services.

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  • HOW TO SWITCH

    Switching is easy. Just follow these easy steps.

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  • HOW TO PAY

    Learn more about your payment options.

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Latest news and case studies

Castle Water CEO proposes new ethical framework at Social Contract Summit

Logo in corporate blue. Temporary Use Ban

Castle Water wins phase two of multi-million pound CCS deal

Brrrilliant advice to protect your business this winter

Castle Water nominated for Business Star Awards 2018

castle water's customer service

Castle Water Customer Service – Update October 2018

University benefits from £25.5k savings per year on water bill

Large Water Users

From dedicated account management to consolidated billing and technical support, we offer a range of specialist services for large and multi-site customers.

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  • WATER MANAGEMENT

    Get the most from your water services.

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  • ONE SIMPLE BILL

    For water, wastewater and multiple sites.

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  • HELP & ADVICE

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