Legionella and unvented cylinder records
The Legionella risk assessment and the unvented hot water cylinder record.
The two forms
Each is started from the job.
A Legionella risk assessment as Jobivo issues it

- 1Overall riskLow, medium or high, chosen by the assessor and printed across the first page.
- 2Property and systemsWho the duty holder is, the type of property and how its hot and cold water is fed.
- 3Measured temperaturesThe cold and hot outlet temperatures as measured.
- 4Each part of the systemTank, cylinder, outlets, showers and little-used outlets, each with its own questions.
- 5OutcomeThe risk found, the recommendation, who is responsible and the risk level for that part.
A sample with made-up details: a tank-fed house with three actions for the landlord. An assessment carries DRAFT until it is issued.
The rules these records answer to
Who must assess
A landlord must assess the risk from Legionella. For a simple home it need not be in depth.
HSE: legionella and landlords' responsibilities ↗No certificate
The law does not require a landlord to hold a Legionella test certificate.
HSE: legionella and landlords' responsibilities ↗How often
No yearly or two-yearly review is laid down. The assessment is reviewed from time to time and when something changes.
HSE: legionella and landlords' responsibilities ↗Unvented cylinders
Installing one is building work that must be notified, unless the installer self-certifies through a competent person scheme.
Approved Document G ↗What is on a risk assessment
- Property and systems
- The duty holder, the property, how long it has been let and who lives there.
- Measured temperatures
- Cold and hot outlet temperatures.
- Each part of the system
- Cold water tank, hot water storage, outlets, showers, little-used outlets and empty periods.
- Rooms
- Each room with its outlets, temperatures and risk level.
- Actions
- What needs doing, in order of priority.
- Sign off
- The overall risk, the review date, who received the assessment and their signature.
What the forms do for you
- Questions about a part of the system drop away when you say that part is not present.
- The review date is set to two years on. You can change it. It is a review date, not an expiry.
- Each part of the system gets its own risk level, recommendation and responsible person.
- The unvented cylinder record is one of the gas forms, so it needs a Gas Safe number on file to issue.
Filling it in on the phone
The same forms are in the web app.



After it is issued
A signed PDF
Digitally signed when issued. Changing the file breaks the signature.
A QR code and an online copy
The QR code on the assessment opens its online copy. No account is needed to read it.
Serial number
The year and your company's running number: the code, the year and your company's running number.
Send it
Share the PDF or copy the link from the phone. Add it to the job's invoice and it goes out with the invoice email.
On the certificates register
Listed with its review date. It reads Due from the day that date arrives.
Issued when the job is completed
A finished draft on a completed job is issued for the engineer who filled it in.
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A risk assessment, not a certificate
HSE is clear that no Legionella certificate is required. What the law asks for is an assessment of the risk and control of it. The form is called a risk assessment everywhere in Jobivo and carries a review date.
Common questions
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