How much does a legionella risk assessment cost?
Prices last checked 23 August 2026
We are not going to give you a number yet. A legionella risk assessment is priced by the water system rather than the building, so a quote for a single-storey office and one for the same office with a shower block are not comparable. Published prices are being collected. Every other page you will find on this gives a confident-looking average of provider prices. We would rather publish nothing than publish a figure we cannot show you the source for, because we are paid a referral fee and a price we made up would be worth exactly nothing to you.
- Published price
- Not yet. See above
- Why not
- We only publish a price we have opened the source for
Sources
Every claim above is checked against the primary text, and the date is the day we last opened it.
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1
Legionnaires’ disease. The control of legionella bacteria in water systems (L8)
Health and Safety Executive Primary text read and checked Checked 22 August 2026
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2
Legionnaires’ disease: Technical guidance (HSG274)
Health and Safety Executive Primary text read and checked Checked 22 August 2026