Compliance
ACoP L8 and HSG274 Explained: A Practical Guide for Duty Holders
What ACoP L8 and HSG274 Parts 1, 2 and 3 actually require, the duty holder and responsible person roles, and the records you need to keep.
ComplianceHow Often Should a Legionella Risk Assessment Be Reviewed?
There is no fixed legal interval, but there are clear triggers. When to review a legionella risk assessment for commercial buildings and rental properties.
ComplianceCooling Towers and Legionella: HSG274 Part 1 in Plain English
What owners of cooling towers and evaporative condensers must do: notification, risk assessment, water treatment, monitoring frequencies, cleaning and record keeping.
ComplianceDuty Holder vs Responsible Person: Who Is Accountable for Water Safety?
The difference between the duty holder and the responsible person for legionella control, what each must do, and how competent contractors fit in.
ComplianceLegionella in the Workplace: Does Every Business Need a Risk Assessment?
Which businesses need a legionella risk assessment, whether it must be written down, the five-employee rule, and who enforces legionella law in UK workplaces.
ComplianceWho Can Carry Out a Legionella Risk Assessment?
What 'competent' means for legionella risk assessments, whether landlords can do their own, relevant qualifications and standards, and what to ask a provider.
Landlords
Legionella Risk Assessment for Landlords: What the Law Requires
Do landlords need a legionella risk assessment? What UK law requires, what counts as competent, how often to review and what to tell tenants. Updated guide.
LandlordsHMOs and Student Houses: Legionella Control for Shared Homes
Legionella duties for HMO and student house landlords in the UK: what makes shared houses higher risk, void period flushing, tanks, showers and record keeping.
LandlordsIs There a Legionella Certificate for Landlords?
There is no official legionella certificate in UK law. What landlords actually need instead, how long a legionella risk assessment lasts, and what to keep on file.
LandlordsLegionella Risk Assessments for Landlords in Scotland
What private landlords in Scotland need to do about legionella: the repairing standard, risk assessments, how often to review and what tenants should be told.
Legionella basics
What Is Legionella? Causes, Risks and How to Control It
A plain-English guide to legionella bacteria and Legionnaires' disease: where it grows, who is at risk, and the simple controls that keep UK water systems safe.
Legionella basicsCan You Catch Legionella From Air Conditioning?
Which air conditioning systems can spread legionella and which cannot: split units, chillers, cooling towers, evaporative coolers and humidifiers explained.
Testing
Legionella Sampling Results Explained: What cfu/l Means and What to Do
How to read legionella sample results in cfu/l, the HSG274 action levels for hot and cold water systems, and what to do after a positive result.
TestingLegionella Test Kits and Home Testing: Do You Need One?
Do home legionella test kits work? The difference between thermometer kits, lab sample kits and rapid tests, and whether landlords need to test their water.
Water hygiene
Water Temperature Monitoring: Sentinel Outlets and Safe Temperatures
Safe hot and cold water temperatures for legionella control, what sentinel outlets are, and how to carry out monthly temperature checks properly.
Water hygieneCold Water Tank Cleaning: When It Is Needed and What Is Involved
How often cold water storage tanks need inspecting and cleaning, signs of contamination, and what a professional clean and disinfection involves.
Water hygieneThermostatic Mixing Valves (TMVs): Safety, Servicing and Legionella
What TMVs do, the difference between TMV2 and TMV3, why they can increase legionella risk, and how often they should be serviced.
Water hygieneReopening Buildings: Flushing and Recommissioning Water Systems
How to safely recommission water systems after a building has been empty or underused, including flushing, temperature checks and when to disinfect.
Water hygieneHot Tubs and Spa Pools: Legionella Risks for Holiday Lets and Hotels
Hot tubs and spa pools are a well-known legionella risk. What HSG282 and HSG274 Part 3 expect from holiday let owners, hotels and leisure operators.
Water hygieneLegionella Flushing: How Long to Run Taps and How Often
How to flush little-used taps, showers and toilets to control legionella: how often, how long to run them, how to avoid spray, and how to record it.