Compliance obligation
Typically legally required for an office — typically renewing every 2 years.
Status
Typically legally required
How often
Every 2 years
Under
HSW Act 1974
Legionella Risk Assessment is one of the obligations that typically applies to an office in the UK, under HSW Act 1974. It needs renewing every 2 years, and enforcement can follow if it lapses.
The full legislation: HSW Act 1974; COSHH 2002; ACoP L8.
Every 2 years. Risk-based: review when there is reason to suspect the assessment is no longer valid (system, use or personnel changes) — the old 'every 2 years' rule was removed from ACoP L8; 24 months shown as a recommended review cadence. Routine sampling is not generally required for well-controlled low-risk water systems; quarterly sampling applies to specific higher-risk systems (e.g. cooling towers, spa pools).
Enforced under the HSW Act 1974 and COSHH 2002: summary conviction an unlimited fine and/or up to 6 months' imprisonment; on indictment an unlimited fine and/or up to 2 years' imprisonment.
Is legionella risk assessment a legal requirement for an office?
Legionella Risk Assessment typically applies to an office under UK law, under HSW Act 1974.
How often does an office need legionella risk assessment?
Every 2 years. Risk-based: review when there is reason to suspect the assessment is no longer valid (system, use or personnel changes) — the old 'every 2 years' rule was removed from ACoP L8; 24 months shown as a recommended review cadence.
What's the penalty for not having legionella risk assessment?
Enforced under the HSW Act 1974 and COSHH 2002: summary conviction an unlimited fine and/or up to 6 months' imprisonment; on indictment an unlimited fine and/or up to 2 years' imprisonment.
Keeval tracks legionella risk assessment against your actual premises, watches the renewal date, and keeps the certificate inspection-ready — free, for all your sites, no card.
Track it freeLegionella Risk Assessment also applies to
Other offices obligations
See the full guide →This page highlights the obligation, frequency and penalties that typically apply to premises like yours in England & Wales — general information to help you act on your duties, not legal advice and not a definitive statement of your position. You remain the duty-holder; take your own professional advice where you need certainty. Keeval is a trading name of Brenkon Holdings Limited (no. 16987530).