According to HSE ACoP L8 The Control of Legionella Bacteria in Water Systems, the assessment should be reviewed every 2 years and if there is reason to suspect that is no longer valid, for example:

  • Where there have been changes to plant, the water system or its use;
  • Where there have been changes to the use of the building;
  • Where new information about risk or control measures has become available;
  • Where monitoring indicates that control measures are no longer effective. 

Need a legionella risk assessment on your commercial property?

Please provide us with the following details:

         1. Geographical location of the premises (example: Birmingham)

         2. Number of rooms in the property (offices, warehouse etc)

         3. Number of floors and staircases

         4. Number of toilets, kitchens, wash rooms etc

A Legionella and water risk assessment is your first step towards compliance with the Health and Safety Executives Legionella approved code of practice and guidance document, ACOP L8.

OK, I'm interested what do i do next?

For more information on the services we provide, please email This email address is being protected from spambots. You need JavaScript enabled to view it. or use the Contact Us box below.

Go to next question: Is the landlord or the tenant responsible for managing legionella?

Go to previous question: Can we do the legionella risk assesment or monitoring in house?

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