Business water services for schools

Helping UK schools switch to smarter, more sustainable water services

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Managing water shouldn’t be a drain on your school’s time or budget

Castle Water is one of the UK’s leading business water suppliers, helping schools across the country take control of their water services. Whether you’re looking to reduce costs, improve efficiency or simply get better service, switching to Castle Water is quick, easy and worthwhile.

Savings that make a difference

Focus Academy Trust saved over £7,500 a year after switching to Castle Water - freeing up valuable budget for teaching, support services, and resources for their children.

Specialist support for schools

We work with schools every day, so we know what matters: clear billing, quick leak fixes, and minimal disruption. When Verulam School spotted unusual charges, we helped recover over £13,600 through a leak allowance claim.

Hassle-free switching process

Switching couldn’t be easier. You won’t need to lift a finger - we’ll take care of the entire process from start to finish. There’s no disruption to your supply or school operations, just a smooth, seamless switch to better service.

Contingency planning and emergency water

Emergencies like flooding, leaks, or water outages can strike without warning. Make sure you have a retailer ready to support you with emergency water services and contingency planning - choose one that's prepared to act when it matters most.

Water efficiency in schools

Promoting good water habits isn’t just about cutting costs – it’s about building a sustainable future.

We help schools put practical water-saving measures in place to help reduce water consumption, while also educating students and staff about the importance of water conservation.

Our school water efficiency services include:

  • Full site audits to identify usage hotspots
  • Advice on water-saving devices like low-flow taps and dual-flush toilets
  • Signage and posters to reinforce good water habits
  • Educational resources to support Eco Schools and curriculum-linked projects
  • Real-time data monitoring with optional AMR (Automatic Meter Reading)

Even small behaviour changes, like reminding students, staff, and children to turn taps off and reduce water waste, can add up to significant savings.

Download your free water efficiency guide here

Additional services for schools

From schools to multi-campus universities, managing water in education settings takes more than a basic supply. Castle Water provides tailored services that help you cut waste, improve efficiency, and stay in control of costs – with the tools and support needed to keep your site running smoothly.

Supporting schools when leaks occur

Award-winning customer service and rapid response to leak alert

When Verulam School saw a sudden rise in their water charges, Castle Water stepped in to help. Despite initial investigations by private contractors, the issue remained unresolved. We arranged a full site visit, identified the source of the leak, and managed the leak allowance application on the school’s behalf. The outcome? A refund of over £13,600 from the wholesaler, easing financial pressure on the school.

Kate Locke, Business Manager at Verulam School, said:
“I want to thank Castle Water for all your help in guiding us through this process and securing a leak allowance for the school. As you can imagine, the £13,629.20 allowance is a huge amount for a state school, and we are extremely grateful for all your support.”

Award-winning customer service and rapid response to leak alert

Trusted by schools nationwide

From small primary schools to large academies and MATs, we’re helping hundreds of schools switch and save. Our services are scalable, transparent and designed around your needs. We’ve got more five star reviews than any other water retailer in the market, and we regularly challenge Wholesalers for fairer, more transparent pricing and terms when it comes to your water. Hear from some of our local customers:

Schools FAQs:

Schools should prioritise suppliers with proven experience in the education sector, competitive pricing, and reliable customer support. Look for transparent billing, access to tools like Automated Meter Reading (AMR), and services such as leak detection and water audits. A supplier that understands the operational pressures of schools and can support sustainability goals is key.

Preparation starts with having a contingency plan in place. This includes knowing who to contact, identifying vulnerable areas of your site, and understanding how long you can operate without mains water. Castle Water offers emergency supply support – including bottled and tankered water – and can help you build a tailored response plan to minimise disruption and maintain safety.

Effective practices include regular leak checks, installing water-saving devices like tap aerators and push taps, and ensuring toilets use displacement devices such as hippo bags. Monitoring usage with AMR helps spot anomalies early, while awareness campaigns and visual reminders encourage responsible behaviour among staff and pupils.

Involving staff, pupils and even parents in water-saving initiatives can help build lasting habits. Share data from your AMR to show progress, run awareness weeks or classroom activities focused on sustainability, and display signage to remind users to turn off taps and report leaks. Small actions, supported by the whole school community, can lead to meaningful change.

In the UK, schools are responsible for water quality within their premises. While your wholesaler is responsible for supply up to the boundary, internal plumbing and systems fall under the school’s duty of care. The Drinking Water Inspectorate (DWI) sets safety standards in England and Wales, and Scottish Water does so in Scotland. Regular checks and maintenance help ensure compliance and safety for all users.

Make the switch today

Switching your school’s water supplier is quick, straightforward, and can lead to significant savings. Castle Water offers expert support and tailored advice to make the process simple from start to finish. Get in touch today to see how your school could benefit from our commercial water supply solutions.

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