Are you a property manager, landlord, business owner, or facilities manager in Brentford seeking reliable Legionella risk assessment services? Look no further than London Water Treatment—your trusted partner for compliant, safe, and comprehensive water management solutions.
In a city like London, where water systems in residential, commercial, and industrial buildings are complex and vast, Legionella control is not just a recommendation—it's a legal requirement. The Health and Safety Executive (HSE) mandates that all duty holders perform regular Legionella risk assessments, following the L8 Approved Code of Practice (ACOP) and BS8558 guidelines.
Let’s take a deep dive into why Legionella risk assessments are essential, how London Water Treatment leads the charge in compliance and safety, and what makes us the go-to experts for businesses and institutions across Brentford.
Legionella bacteria are naturally occurring in water systems, but under certain conditions, they can multiply and pose serious health threats—most notably Legionnaires’ disease, a severe form of pneumonia. It becomes a major risk when water is stored or recirculated in large volumes, especially in:
Inhalation of contaminated aerosols is the primary way Legionella is transmitted to humans. Vulnerable populations—such as the elderly, immunocompromised individuals, and people with respiratory conditions—are particularly at risk.
When it comes to Legionella control in the UK, two regulatory standards dominate the landscape:
L8 Approved Code of Practice (ACOP)
Issued by the HSE, the L8 ACOP outlines legal duties for identifying and controlling Legionella risks in water systems. Key responsibilities include:
Non-compliance with L8 can lead to heavy fines, legal penalties, and even criminal prosecution.
BS8558 Standards
BS8558 complements L8 ACOP by providing best practice guidance for the design, installation, commissioning, and maintenance of water systems. It plays a crucial role in ensuring water hygiene and risk minimization across domestic, commercial, and industrial buildings.
At London Water Treatment, we incorporate both L8 ACOP and BS8558 into every Legionella risk assessment we perform in Brentford and beyond.
As a rapidly growing urban hub in West London, Brentford features a mix of heritage buildings, new developments, hospitals, schools, hotels, and office spaces—each with complex water systems that demand careful oversight.
Without regular Legionella risk assessments:
Whether you own a residential block, run a leisure centre, or manage a commercial facility in Brentford, you have a legal and moral obligation to keep your water systems safe.
✅ L8 ACOP Compliant Services
Our assessments are meticulously carried out in strict adherence to L8 ACOP, ensuring you meet your legal obligations and reduce the risk of exposure to Legionella bacteria.
✅ BS8558 Aligned Testing and Design Standards
We don’t just test—we design and manage water systems in accordance with BS8558, ensuring that your infrastructure is fundamentally secure, sustainable, and hygienic.
✅ 18+ Years of Expertise in Water Treatment
With nearly two decades of experience, London Water Treatment has become a leading name in water hygiene services, offering bespoke solutions across London with a strong local presence in Brentford.
✅ Detailed Reporting and Action Plans
Each risk assessment includes:
✅ Tailored Solutions for Every Building Type
We understand that no two buildings are alike. Our team customizes the Legionella risk assessment process to match your specific system layout, water usage, and operational needs.
✅ Digital Logbooks and Real-Time Monitoring
Stay audit-ready with our cloud-based digital logbooks and remote monitoring systems. Access data anytime, and let our alerts system notify you of critical thresholds or risks.
Wondering if your building needs a Legionella risk assessment? The short answer: Yes—if you have a water system and people use it. But here are specific examples of properties that require regular assessments:
Under HSE guidelines, assessments should be:
Site Survey
We begin with an on-site inspection of your water system, including tanks, pipework, outlets, and cooling systems.
Identification of Potential Risks
We analyze:
Sampling and Water Testing
Samples are taken from various points and sent to UKAS-accredited laboratories for testing. We check for:
Assessment of Control Measures
We review the effectiveness of your current systems, including:
Comprehensive Reporting
Our report is fully L8 ACOP and BS8558 compliant and includes:
At London Water Treatment, our Legionella risk assessments in Brentford follow a systematic and scientific approach. Here’s a breakdown of what you can expect:
We don’t stop at the report. London Water Treatment offers ongoing support and Legionella control services to help you stay compliant:

If you’ve had a system shutdown, a contamination concern, or an outbreak scare—don’t wait. We provide emergency Legionella testing with fast-track lab analysis and immediate risk mitigation.
Call us anytime for urgent assessments—we’re here to safeguard your water system 24/7.
Planning a new development or a building renovation in Brentford? Legionella control begins at the design stage. We collaborate with architects, engineers, and construction teams to ensure that water systems are designed according to BS8558 standards for:
A proactive approach at this stage can prevent years of compliance headaches.
A leading Brentford-based commercial office recently contacted us after noticing fluctuating hot water temperatures and stagnant returns in their top-floor outlets.
We conducted a full Legionella risk assessment and discovered:
Our team implemented:
Result: Zero Legionella detection in follow-up testing and full compliance within 6 weeks.
Q1: How often should Legionella risk assessments be done?
A: Every two years or sooner if system changes or incidents occur.
Q2: Are landlords legally required to conduct these assessments?
A: Yes, under the HSE’s Health and Safety at Work Act and L8 ACOP.
Q3: How long does the assessment take?
A: Most standard buildings take 2–4 hours for onsite inspection. Reports are delivered within 3–5 working days.
Q4: Is water testing included in the assessment?
A: Yes, we include microbiological testing where needed, using UKAS-certified labs.
Q5: What areas in Brentford do you cover?
A: All of Brentford, including Great West Quarter, Boston Manor, Kew Bridge, and surrounding West London locations.
In today’s world, health and safety go hand-in-hand with water management. Whether you're managing a single flat or an entire commercial complex, Legionella control is not optional—it’s essential.
With London Water Treatment, you get peace of mind, expert service, and full compliance with UK standards. From risk assessment to remedial action, we’ve got Brentford covered.
Trust the experts. Choose London Water Treatment.

Warning: Undefined array key "preview" in /home2/londonplumbing/public_html/.domain/londonwatertreatment.com/wp-content/plugins/oxygen/component-framework/components/classes/comments-list.class.php on line 102