Commercial water tanks are at the heart of your building’s water supply — but when they age, leak or corrode, they can pose a real risk to water quality and compliance. Our team provides a complete solution, from inspection and diagnosis to full tank replacement, ensuring your system remains safe and efficient.

We operate nationwide, with local engineers covering key regions including:

  • London – Specialists in complex installations for heritage buildings, hotels and government facilities.
  • Birmingham – Commercial water tank repairs and replacements for offices, schools and industrial premises.
  • Manchester – Supporting healthcare sites, apartment developments and commercial facilities.
  • Colchester – Serving the East of England with responsive water tank replacement and repair services.
  • Liverpool – Trusted by councils, hospitals and facilities managers for large-scale commercial systems.
  • Bristol – Providing full turnkey tank replacements and maintenance across the South West.

Explore our full coverage on our Service Areas page.

Why Choose Express Water Tanks for Commercial Tank Work?

✔️ Over three decades of experience in commercial water systems
✔️ WRAS-approved materials and ACoP L8-compliant installations
✔️ Turnkey service – from survey and removal to installation and commissioning
✔️ Nationwide coverage with quick response times
✔️ Specialists in restricted-access and high-rise sites
✔️ Minimal downtime and disruption to your operations

Our engineers are trained to work safely and efficiently in busy, operational environments — ensuring your building remains functional throughout the process.

Repair or Replace – We’ll Help You Decide

Not every commercial tank needs immediate replacement. Our experts will assess your existing system and, where possible, carry out cost-effective repairs to extend its lifespan. If a replacement is necessary, we’ll design and install a modern, energy-efficient solution tailored to your building’s needs.

All our commercial water tank replacements are built to last — offering enhanced performance, better insulation, and full compliance with modern regulations.

Find Your Local Commercial Tank Specialist

With teams covering London, Birmingham, Manchester, Colchester, Liverpool and Bristol, Express Water Tanks provides reliable, compliant and professional commercial water tank services across the UK.