Small Water Storage Tank: Reliable One-Piece GRP Tanks

Small Water Storage Tank

Do you need a small water storage tank that saves space and performs well? Tricel offers trusted one-piece GRP tanks for compact water storage. Our tanks suit domestic, commercial, and industrial needs.

Small Water Storage Tank
Small Water Storage Tank

What Is a Small Water Storage Tank?

A small water storage tank is a compact vessel that stores clean, potable water. These tanks usually hold between 45 and 16,000 litres. They are ideal for limited spaces or low-volume water needs.

Why Choose a One-Piece Tank?

Tricel’s one-piece GRP tanks are made from a single mould. That means no seams or joints. As a result, these tanks are:

  • Leak-free

  • Hygienic

  • Durable

  • Low-maintenance

Moreover, their smooth internal finish makes cleaning simple. You also get peace of mind with full compliance to UK water standards.

Benefits of a Small One-Piece GRP Tank

Choosing a small GRP tank offers several benefits:

  • Compact: Perfect for tight installations

  • Lightweight: Easy to lift and install

  • Weatherproof: Suitable for indoor or outdoor use

  • Customisable: Available in different sizes and fittings

Whether you need temporary or permanent storage, these tanks deliver consistent performance.

One Piece Tank

Common Applications for Small Water Storage Tanks

Our tanks serve multiple industries and uses:

  • Domestic cold water storage

  • Rainwater harvesting

  • Irrigation and gardening

  • Commercial plant rooms

  • Emergency backup supply

If your project needs clean water storage in a compact form, we have the right solution.

Sizes Available

Tricel offers small water storage tanks in a wide range of sizes:

  • From 45 litres to 16,000 litres

  • Custom sizes available on request

  • Optional insulation and access hatches

Each tank is designed to last and built to meet high standards

Why choose Tricel

Tricel is a trusted UK tank manufacturer. With over 50 years of experience, we provide:

  • WRAS-approved materials

  • Fast delivery across the UK

  • Custom tank options

  • Expert technical support

Looking for a reliable small water storage tank? Our one-piece GRP tanks are built to last and easy to install.

Read More...

  • Water Tank Installation & Maintenance
  • Cold Water Storage Tanks
  • Case Studies
Cold Water Tank Sizing

Cold Water Tank Sizing: How to Calculate Storage Volume for Multi-Storey Buildings

April 29, 2026

A technical guide to cold water tank sizing methodology for multi-storey buildings — covering demand estimation, resilience calculations, water age, Legionella risk, and a worked sizing example.

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Confined Space Entry in Building Maintenance: Obligations and Safe Systems

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A practical guide to confined space entry obligations for building maintenance teams and contractors — covering the Confined Spaces Regulations 1997, permit to work, atmospheric testing, standby arrangements, and cold water tank entry.

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Backflow Prevention in Building Water Systems: Fluid Categories and Device Selection

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A technical guide to backflow prevention under the Water Fittings Regulations — fluid categories 1 to 5, device types for cold water cisterns, the Type AG air gap requirement, and common compliance failures.

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Cold Water System Commissioning: Cleaning and Disinfection to BS EN 806-5

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A practical guide to cold water system commissioning, cleaning, and disinfection in line with BS EN 806-5. Covers procedure, chlorination residuals, flushing, clearance for service, and handover documentation.