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Premium Water Tanks

Across the UK

From domestic rainwater harvesting to commercial storage solutions.
British-made quality , locally installed.

Water Tank Solution for Every Need

From the Scottish Highlands to the Cornish coast, we deliver premium water storage solutions across the UK

Domestic Water Tanks

Perfect for homes across the UK. Rainwater harvesting, backup storage, and off-grid solutions.

✓ 500L – 10,000L capacity

✓ WRAS approved

✓ 25-year guarantee

Commercial Solutions

Industrial-grade tanks for businesses, schools, and public buildings throughout Britain.

✓ Bespoke sizing

✓ Fire safety compliance ✓ Rapid installation

Rainwater Harvesting

Eco-friendly systems helping UK households reduce water bills and environmental impact.

✓ Smart filtration

✓ Automatic pumps

✓ Council rebates available

Emergency Backup

Reliable water storage for when mains supply fails. Essential for rural UK properties.

✓ Instant backup

✓ Weather-resistant

✓ Low maintenance

Why Zennook The UK's Most Trusted Water Tank Specialists

From the Lake District to London, thousands of UK homes and businesses trust Zennook for reliable, high-quality water storage solutions that stand the test of time.

British Standards Certified

All our tanks meet WRAS and BS standards, ensuring quality and safety for UK installations.

15+ Years of Excellence

Established in 2010, we’ve become the UK’s trusted choice for water storage solutions.

Local Expertise

Our team understands UK building regulations, planning permissions, and local requirements.

Rapid Installation

Most domestic installations completed within 1-2 days. Minimal disruption to your property.

Coverage Across the UK

England

London & South East

Birmingham & Midlands

Manchester & North West

Yorkshire & North East

Free site surveys available nationwide. Contact us to arrange your consultation.

Scotland & Wales

Edinburgh & Glasgow

Cardiff & South Wales

Aberdeen & Highlands

Newport & North Wales

What Our UK Customer Say

Real reviews from real customers across Britain

“Zennook installed our rainwater harvesting system last spring. Cut our water bills by 40% and the installation was seamless. Highly recommend!”

Sarah Johnson

Manchester

“Needed an emergency water tank for our rural property. The team arrived next day and had everything sorted quickly. Professional service throughout.”

David Williams

Cardiff

“Commercial installation for our school was completed during half-term holidays. No disruption and the kids love learning about water conservation.”

Emma Thompson

Edinburgh

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Expert advice and competitive pricing across the UK

Zennook

The UK’s leading water tank specialists. Serving homes and businesses across Britain since 2010.

Nationwide Coverage

Services

Domestic Water Tank