How Often Do You Need a Fire Risk Assessment?
UK law does not set a fixed review interval. Instead, it requires the responsible person to keep the fire risk assessment suitable and sufficient at all times — which, in practice, means understanding what triggers a review and why waiting for something to go wrong is not a viable compliance strategy.
It is one of the questions we are asked most often, and the honest answer is that it depends — though not in the vague, non-committal way that phrase usually implies. The Regulatory Reform (Fire Safety) Order 2005 does not prescribe annual reviews, two-year cycles, or any other fixed interval. What it requires is that the fire risk assessment is kept up to date, and that the responsible person — in most cases the building owner, landlord, or managing agent — takes action whenever the assessment no longer accurately reflects the risks in the building.
That statutory formulation sounds straightforward, but it has a practical consequence that many responsible persons underestimate: the obligation to review is continuous, not periodic. The question is not simply "when does my next review fall due?" but "is my current assessment still an accurate picture of my building?" Those are different questions, and the second one requires more than a diary entry.
What "Suitable and Sufficient" Actually Means
The phrase "suitable and sufficient" comes directly from Article 9 of the Regulatory Reform (Fire Safety) Order 2005, and it sets the standard against which a fire risk assessment will be judged if a fire occurs or if the premises are inspected by the fire authority. An assessment is suitable and sufficient if it correctly identifies the fire hazards in the building, evaluates the risk to the people who use it, and sets out the measures needed to reduce those risks to an acceptable level — and if it remains accurate in all those respects at the time it is relied upon.
An assessment that was thorough and accurate when it was carried out two years ago may no longer be suitable and sufficient today if the building has changed, the occupancy has changed, or new risks have emerged that were not present when the assessor visited. Age alone does not make an assessment invalid, but age combined with change almost certainly does. This is why the review question cannot be answered by a number alone.
The legal position in plain terms: There is no legal requirement for annual reviews. There is a legal requirement for the assessment to be accurate and current at all times. Annual reviews have become the accepted industry standard because they are the most practical way of meeting that continuous obligation — not because the law demands a specific interval.
The Triggers That Require an Immediate Review
Before considering review cycles, it is worth being clear about the circumstances in which a fire risk assessment must be reviewed regardless of when the last one was carried out. These are not discretionary. If any of the following apply, the existing assessment cannot be relied upon until it has been updated to reflect the new position.
Change of use or layout
Any alteration to the building's internal layout, including new partitions, altered corridors, or changes to the means of escape, requires the assessment to be revisited. Escape routes that were adequate under the previous layout may no longer be so.
Refurbishment or building works
Structural work, rewiring, new mechanical installations, or any activity that disturbs fire compartmentation — including work on ceilings, floors, or penetrations through walls — requires a review on completion and, in many cases, during the works themselves.
New tenants or change of occupancy
A new tenant who introduces different processes, materials, or working patterns changes the risk profile of the building. This is particularly relevant in mixed-use premises, where a change in one unit can affect the risk to occupants throughout the building.
Introduction of sleeping risk
If a building that was previously used only during the day begins to accommodate people overnight — whether through conversion to HMO use, serviced apartments, or any other arrangement — the risk profile changes fundamentally and a full reassessment is required.
New or altered fire safety systems
The installation of a new fire alarm, changes to sprinkler provision, new emergency lighting, or the replacement of fire doors all affect the assumptions on which the existing assessment was based and must be reflected in an updated document.
A fire, near miss, or enforcement action
Any fire, however minor, and any near miss that reveals a gap in the existing safety arrangements requires an immediate review. Enforcement action by the fire authority — whether a notice, an inspection, or informal correspondence — similarly requires the assessment to be updated in response.
The common thread running through all of these triggers is that the building or its use has changed in a way that the existing assessment did not anticipate. The responsible person does not need to wait for the next scheduled review in any of these circumstances — the review should happen as soon as the change occurs or, where the change is planned in advance, as part of the planning process rather than after the fact.
Review Cycles in Practice: Annual, Three-Year, and Everything Between
Beyond the immediate triggers described above, responsible persons need a baseline review cycle — a scheduled interval at which the assessment is formally revisited even in the absence of any specific change. National guidance, fire authority expectations, and the practical experience of assessors working across a wide range of building types have coalesced around two principal cycles, with annual review as the default for most premises.
The appropriate cycle for the majority of commercial, residential, and mixed-use buildings. This includes most offices, retail premises, HMOs, hotels and hospitality venues, schools and educational settings, care homes and healthcare premises, and any building with a complex occupancy or a history of enforcement issues. An annual cycle ensures that the cumulative effect of small changes — gradual degradation of fire doors, staff turnover affecting evacuation procedures, new equipment or storage arrangements in escape routes — is caught and addressed before it becomes a material risk. It also provides the documentation trail that insurers and managing authorities expect to see.
A small minority of buildings may reasonably operate on a longer cycle, but only where the building is genuinely simple and low-risk, the occupancy is stable and well-understood, previous assessments have consistently identified strong compliance with no significant outstanding actions, and the responsible person has competent day-to-day fire safety management in place. Even where these conditions are met, three years is the practical maximum, and the cycle must shorten immediately if any of the change triggers described above occur. In our experience across Chester, Cheshire, the Wirral, and North Wales, very few buildings genuinely qualify for this longer cycle — most that are managed on it are simply overdue.
Most buildings change more than their owners realise. The cumulative effect of small decisions — a new partition here, a propped fire door there, a change of tenant in one unit — is often invisible until an assessor looks at the building with fresh eyes.
What Fire and Rescue Services Expect to Find
When a fire authority inspector visits premises — whether as part of a routine audit programme, following a complaint, or in response to an incident — they will ask to see the fire risk assessment and will examine it critically. An assessment that is clearly out of date, that does not reflect the current condition of the building, or that identifies significant actions which have not been addressed will not satisfy the inspector, regardless of when it was carried out or who carried it out.
In practice, enforcement action most commonly arises not from buildings that have never had an assessment, but from buildings where the assessment exists but has not been properly maintained. An assessment that was excellent three years ago and has not been reviewed since, in a building that has had two changes of tenant, a partial refurbishment, and a series of unresolved fire door defects, is not worth the paper it is printed on as a compliance document — and a fire authority inspector will reach that conclusion quickly.
The most common findings that prompt enforcement notices in the buildings we work with across the North West and North Wales include degraded or propped fire doors, storage encroachment on escape routes, gaps in compartmentation created by unrecorded building works, alarm systems that have not been serviced, and emergency lighting that has failed its duration test. Most of these are the kind of thing that accumulates gradually and that an annual review would catch — and most of them are also things that the responsible person had no idea were present, because nobody had looked at the building systematically since the previous assessment.
The Relationship Between Review Frequency and What the Assessment Covers
A point that is sometimes missed in discussions about review frequency is that the interval between assessments is only one part of the compliance picture. A fire risk assessment carried out annually by a competent assessor who spends an appropriate amount of time in the building, tests the fire doors properly, checks the compartmentation, reviews the evacuation procedures, and produces a clear action plan with realistic timescales is worth considerably more than an assessment carried out every six months by someone who completes it in forty-five minutes and produces a generic document that could apply to any building of that type.
The responsible person should also be maintaining the building's fire safety between formal assessments — checking that fire doors are closing properly, ensuring escape routes are kept clear, confirming that alarm test records are being kept, and making sure that any staff who have joined since the last assessment have received appropriate fire safety training. The formal assessment is not a substitute for ongoing management; it is the periodic check that confirms the ongoing management is working.
For managing agents who are responsible for multiple buildings across a portfolio, a structured compliance calendar that schedules assessments, fire door inspections, alarm servicing, and training alongside each other is considerably more reliable than managing each obligation separately. It also makes it easier to demonstrate to building owners, insurers, and, if necessary, enforcement authorities that the responsible person is taking their obligations seriously and managing them proactively.
A practical summary for responsible persons:
Review your fire risk assessment annually as a baseline, and immediately whenever the building changes, the occupancy changes, a fire or near miss occurs, or enforcement action is taken. Do not wait for the scheduled review date if something has changed in the interim. Ensure the assessment is carried out by a competent person, that it reflects the actual current condition of the building, and that the action plan it produces is followed up and documented. The assessment is a living document, not a one-off exercise.
How Fletcher Risk Can Help
We carry out fire risk assessments for a wide range of premises across Chester, Cheshire, the Wirral, Greater Manchester, Merseyside, and North Wales, working with managing agents, landlords, business owners, and responsible persons across sectors including offices and commercial premises, HMOs, hotels and hospitality venues, schools, care homes and healthcare premises, warehouses and industrial buildings, and churches and places of worship. We also carry out fire door inspections and deliver fire safety training for staff and tenants.
If you are unsure whether your current assessment is still fit for purpose, or if your building has changed since the last assessment was carried out, we are happy to advise. Please get in touch.
Is Your Fire Risk Assessment Still Current?
Fletcher Risk Management carries out fire risk assessments, fire door inspections, and fire safety training for businesses, landlords, and managing agents across Chester, Cheshire, the Wirral, and North Wales. If your building has changed, your last assessment is more than a year old, or you simply want to confirm your compliance position, please get in touch.
Get in TouchThis article provides general guidance only and does not constitute legal advice. It should not be relied upon as a substitute for a full fire risk assessment or professional consultation tailored to your specific premises. Fire safety requirements depend on the type, condition, layout, and occupancy of the building in question. Fletcher Risk Management Ltd accepts no liability for decisions made based on this content. Always consult a competent fire safety professional for advice on your property.