Overview
Sampling is not a substitute for good temperature control, but it is an important check in higher-risk settings, after remedial work, after a positive result or where temperatures cannot be maintained. We take samples to the relevant British Standard and use UKAS-accredited laboratories for analysis.
What is included
- Sampling plan based on your risk assessment
- Pre and post-flush legionella samples
- Total viable count (TVC) and Pseudomonas aeruginosa testing
- Potable water quality and E. coli testing
- Interpretation of results against HSG274 action levels
- Advice and remedial action following a positive result
Who needs it
Healthcare and dental practices, care homes, hotels with spas, leisure centres, sites with cooling towers and any building following a positive result.
How often
Set by your risk assessment and sector guidance. Not usually required in standard domestic rental properties.
Legislation and standards
HSG274, HTM 04-01 for healthcare, BS 7592 sampling guidance.
Frequently asked questions
Is legionella testing a legal requirement for landlords?
No. Routine testing is not usually needed in rented homes. The risk assessment decides whether sampling is needed.
How much does legionella testing cost?
Laboratory analysis is usually charged per sample. Published UK prices start at around £40 to £60 per legionella sample plus VAT, plus the sampling visit.
How long do legionella results take?
Legionella culture usually takes around 10 days in the laboratory. Faster screening methods are available where speed matters.
What happens if you find legionella?
We explain what the count means against HSG274 action levels and put together a response plan, which might include disinfection, remedial works and re-sampling.
Legionella Testing & Water Sampling across the UK
We provide legionella testing & water sampling in every part of England, Scotland, Wales and Northern Ireland. Choose a city for local information: