When it comes to ensuring the safety and compliance of your water systems, especially in a busy, urban environment like Brentford, nothing is more crucial than professional mains water chlorination services. Whether you're commissioning a new water system, undergoing renovations, or simply ensuring your system remains compliant with L8 ACOP and BS8558 standards, London Water Treatment offers a comprehensive solution.
With rising awareness around Legionella control, water hygiene, and system commissioning best practices, working with a trusted and certified provider is no longer optional—it's essential. At London Water Treatment, we bring industry-leading experience, specialist knowledge, and strict regulatory adherence to every chlorination project in Brentford and beyond.
Mains water chlorination is a critical process used to disinfect newly installed or modified water systems. It involves flushing and dosing the pipework with a chlorine-based solution to eliminate harmful bacteria, including Legionella, coliforms, and other waterborne pathogens. Once the process is completed, samples are taken and tested to ensure microbiological safety before the system is deemed safe for use.
Whether you’re working on:
...professional chlorination is a must to maintain health and safety compliance and avoid serious legal and public health risks.
Brentford is rapidly developing, with new residential blocks, commercial properties, hospitality spaces, and industrial units popping up across the area. With this growth comes a critical need for properly managed water systems that are safe, clean, and compliant from day one.
Key reasons to consider professional mains water chlorination in Brentford:
Chlorination is not limited to large industrial plants. It is required across a wide range of sectors, including:
If your site is connecting to a mains water supply or modifying existing infrastructure, chlorination services are mandatory prior to occupation or operational use.
At London Water Treatment, we specialize in mains water chlorination services that meet and exceed the highest regulatory standards. With years of hands-on experience and in-depth knowledge of water hygiene, we are proud to be Brentford’s go-to partner for clean, safe, and compliant water systems.
The HSE Approved Code of Practice (ACOP) L8 is the gold standard for managing and controlling Legionella bacteria in water systems. It is particularly critical for landlords, duty holders, and facility managers responsible for health and safety.
London Water Treatment’s chlorination procedures are designed in strict accordance with L8 ACOP guidelines. We help our clients prevent Legionella proliferation by:
Our team is fully trained to recognize potential Legionella breeding grounds and eliminate risks at the source.
BS8558 is the British Standard for the design, installation, commissioning, and maintenance of water systems in buildings. It provides comprehensive guidelines on water sampling, system testing, and disinfection protocols.
At London Water Treatment, we follow BS8558 to the letter, ensuring:
Whether it's a high-rise development or a small commercial unit in Brentford, we ensure your system is fully BS8558-compliant before handover.
After each chlorination procedure, we provide a Certificate of Chlorination and a full report, including:
This documentation is often required by local authorities, water companies (like Thames Water), and health and safety inspectors before the system can be brought online.

Here’s what to expect when you choose London Water Treatment:
We know Brentford. We know London. And we know water.
Here’s why clients trust London Water Treatment:
Water safety isn’t just about compliance—it’s about protecting people, your property, and your reputation.
At London Water Treatment, we make it easy to meet your responsibilities with reliable, fast, and professional mains water chlorination services in Brentford.
Whether you’re preparing for a new project, require emergency chlorination, or simply want peace of mind—we’re here to help.
📞 Call us now 020 4532 7773
📧 Email us info@londonwatertreatment.com
🌐 Visit our website at londonwatertreatment.com
In a vibrant and expanding area like Brentford, mains water chlorination is more than a regulatory box-tick—it’s a vital health and safety step. Choosing a qualified, experienced, and standards-driven provider like London Water Treatment ensures your water systems are safe, compliant, and ready for use.
From initial flushing to final certification, we handle it all—so you can focus on what matters most: your project, your property, and your people.
Trust London Water Treatment. Protect your water. Protect your future.