COLD WATER STORAGE TANK CLEANING
We install, repair and service cold water storage tanks for commercial and large residential buildings across London and Hertfordshire. From GRP tanks and booster sets to cleaning, chlorination and insulation, JLP Plumbing ensures your cold water systems remain hygienic, safe and compliant with legal water regulations — with minimal disruption to tenants or staff.

At JLP Plumbing, we know how important reliable plumbing is to the comfort of your home or business.
✅ Full internal cleaning & disinfection of cold water tanks
✅ Legionella control and bacterial risk assessments included
✅ Suitable for residential blocks, schools & commercial sites
✅ Compliance with HSE ACoP L8 and water hygiene standards
✅ Available across London & Hertfordshire with minimal disruption
💧 Our Cold Water Storage Tank Cleaning Services Include:
🧼 Full Internal Tank Cleaning
We remove sludge, scale, biofilm, and other contaminants from inside your cold water storage tank to ensure safe, clean water supply.
🔍 Inspection & Condition Reporting
We assess the tank’s condition, fittings, and lid integrity — providing detailed reports and photos for compliance or maintenance planning.
🦠 Bacterial Control & Disinfection
We disinfect tanks using approved biocides or chlorine-based treatments to reduce risk of Legionella and other harmful bacteria.
🔧 Inlet, Outlet & Overflow Checks
Our team inspects and clears all pipe connections to ensure proper flow, prevent stagnation, and maintain tank performance.
🏢 Commercial & Residential Service
Cleaning services available for residential buildings, schools, care homes, and commercial premises across Hertfordshire and London.
Why Choose JLP Plumbing?
Damage Prevention
We stop leaks before they cause serious property damage — with scheduled inspections and preventative maintenance.
Efficient System Performance
Properly maintained plumbing reduces water waste and improves energy efficiency — helping cut down your utility bills.
Legal Compliance
Our work meets UK plumbing regulations. For landlords and commercial clients, we provide documentation and peace of mind.
Guaranteed Workmanship
All repairs and installations come with a 12-month guarantee, and our team is fully insured and certified for your protection.
Fixed Transparent Pricing
No hidden fees, no guesswork. We provide clear, fixed quotes before any work begins — whether it’s an emergency callout or scheduled install.
Rapid Response Across Hertfordshire & London
We’re based in Hertfordshire and regularly work in Baldock, Hitchin, Letchworth, St Albans, Stevenage, and surrounding villages — plus commercial plumbing in Central and North London. When time matters, we’re there.
Modern Tools, Old-School Values
We use professional diagnostic and repair tools for speed and precision — but we stick to the values that built our business: honesty, respect, and quality.
We provide plumbing services across Hertfordshire and London, including towns like Baldock, Hitchin, Letchworth, Stevenage, and St Albans, as well as North, Central, and East London. Our team works with both residential and commercial clients — including ongoing contracts in Canary Wharf and with restaurants throughout the city and Central London. Whether it’s a home repair or large-scale project, we’ve got it covered.
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Do you offer free consultations for project work?Yes! We provide free consultations for all project-related work, whether it's plumbing or heating. We can schedule an on-site visit or a virtual meeting and offer a clear and straightforward quote.
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Where do you offer your services?We serve customers in Hertfordshire, Bedfordshire, Essex, Cambridgeshire, and London.
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Can you advise on product selection before installation?Certainly! We take pride in offering expert advice on the best products, equipment, and systems to fit your specific needs and budget. We provide honest recommendations but never pressure customers into making specific purchases.
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Do you offer same-day call-outs?Yes, we do! If one of our teams is available nearby, we can arrange a same-day visit. Give us a call, and we'll confirm the earliest time we can reach you.
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Is there a call-out fee?A call-out fee applies to all plumbing services. For emergency call-outs—such as those outside regular working hours (9am–5pm, Mon–Fri) or outside of Hertfordshire—the fee is slightly higher. For standard call-outs during working hours, a normal rate applies. Contact us and we’ll confirm the exact cost based on your needs.
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What plumbing services do you provide?We are fully qualified to handle all types of plumbing work, ranging from fixing a simple leaky tap to full-scale bathroom or kitchen installations. Our services include residential, commercial, and emergency plumbing.