Legionella Risk Assessment
A Legionella Risk Assessment evaluates your property's water systems to identify and reduce the risk of Legionella bacteria, which can cause Legionnaires' disease — a potentially fatal form of pneumonia. Landlords, employers, and building managers have a legal duty to assess and control the risk of Legionella in their water systems.
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Legionella Risk Assessment Pricing
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What Is a Legionella Risk Assessment?
A Legionella Risk Assessment is a systematic evaluation of a building's water systems to identify conditions that could promote the growth and spread of Legionella bacteria. The assessment covers cold water storage tanks, hot water systems, showers, taps, dead legs in pipework, and any other water features. The assessor evaluates water temperatures, system design, maintenance history, and usage patterns to determine risk levels and recommend control measures.
What's Included
- ✓Inspection of cold water storage tanks
- ✓Hot water system temperature assessment
- ✓Dead leg and low-use outlet identification
- ✓Shower head and aerator inspection
- ✓Water temperature monitoring
- ✓System schematic review
- ✓Risk level classification
- ✓Written report with risk ratings and control measures
- ✓Recommendations for ongoing monitoring
How It Works
Getting your Legionella Risk Assessment is quick and easy. Here's what to expect.
Book Online
Tell us about your property type and water system.
Site Assessment
Our assessor evaluates all water systems and identifies risk factors.
Temperature Monitoring
Water temperatures are checked at key points throughout the system.
Report & Recommendations
You receive a comprehensive report with risk ratings and a control plan.
Why You Need a Legionella Risk Assessment
Under the Health and Safety at Work Act 1974 and the Control of Substances Hazardous to Health Regulations 2002 (COSHH), landlords and employers have a legal duty to assess the risk of Legionella and take appropriate precautions. The HSE's Approved Code of Practice L8 provides specific guidance on controlling Legionella. Failure to assess and manage the risk can result in prosecution, fines, and civil liability if someone contracts Legionnaires' disease.
Legal Duty
Landlords and employers must assess the risk of Legionella under COSHH and the HSE Approved Code of Practice L8.
Rental Properties
Landlords must consider the risk of Legionella when carrying out risk assessments of their rental properties.
Review Frequency
Risk assessments should be reviewed every 2 years, or sooner if there are changes to the water system or building use.
Who Needs a Legionella Risk Assessment?
Landlords
Assessing Legionella risk in rental properties.
Businesses
Duty to protect employees from Legionella in workplace water systems.
Care Homes
Vulnerable residents at higher risk from Legionella.
Hotels
Complex water systems requiring professional risk assessment.
Frequently Asked Questions
Common questions about our Legionella Risk Assessment service.
What is Legionella?+
Legionella is a bacterium that can grow in water systems at temperatures between 20-45°C. If inhaled as water droplets (e.g., from showers), it can cause Legionnaires' disease, a serious form of pneumonia.
How often is a Legionella risk assessment needed?+
Every 2 years, or sooner if there are changes to the water system, the building, or its use.
Do domestic landlords need this?+
Yes — landlords have a duty to assess the risk of Legionella. For many simple domestic properties, the risk is low, but an assessment confirms this and documents your compliance.
What happens if Legionella is found?+
The risk assessment identifies conditions that could allow Legionella to grow. Control measures such as temperature management, flushing regimes, and cleaning protocols are recommended.
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