The number of fire marshals your workplace needs depends on the size of your premises, the number of people inside, the level of fire risk and the arrangements needed to evacuate everyone safely. A small office may need fewer fire marshals than a large warehouse, hotel or manufacturing site with several floors and different working shifts. According to Home Office fire and rescue incident statistics, fire and rescue services in England attended 147,295 fires in the year ending December 2021. Those fires caused 280 deaths and 6,201 non-fatal injuries. The same report shows that crews took an average of 8 minutes and 52 seconds to reach fires in non-residential buildings. For almost nine minutes, the people inside a workplace must rely on each other to raise the alarm, guide colleagues out and check that no one is left behind. Fire marshals do that job. How Many Fire Marshals You Need in Your Workplace The right number depends on how your workplace operates and what people would need to do if a fire occurred. Employee numbers provide a useful starting point, but they do not tell the whole story. For example, a small office with a straightforward layout may need fewer fire marshals than a warehouse with several storage areas, multiple exits and workers on different shifts. A workplace open to the public may also need arrangements that account for customers and visitors who are unfamiliar with the building. The responsible person should use the fire risk assessment to decide how many trained people are needed to put the emergency plan into practice. Government guidance explains that staffed premises must nominate a sufficient number of competent people to implement fire procedures. Recommended Fire Marshal Ratios by Risk Level Some training providers use indicative ratios to help businesses estimate their fire marshal requirements. The following figures are examples of commonly cited starting points, not legal requirements or a substitute for a workplace-specific assessment. Workplace risk level Illustrative starting-point ratio Example workplaces Low risk 1 fire marshal per 50 employees Small offices and some shops Medium risk 1 per 20–30 employees Restaurants and light manufacturing High risk 1 per 15 employees Some higher-risk industrial premises These figures should be treated as planning guidance only. They are not a universal formula established by UK legislation, and the figures alone cannot determine whether a workplace has enough fire marshals. The premises, evacuation plan, staffing arrangements and people at risk may mean that more trained people are needed. Use your fire risk assessment to check that the number suits your actual workplace, rather than basing it on a simple staff-to-marshal ratio. What Does UK Fire Safety Law Say About Fire Marshals? UK fire safety law requires businesses and other responsible organisations to take appropriate steps to protect people from fire. However, the law does not set one fixed number of fire marshals for every workplace. In England, the Regulatory Reform (Fire Safety) Order 2005 requires the responsible person to carry out a suitable and sufficient fire risk assessment and put appropriate fire safety measures in place. These measures include planning for emergencies, providing staff with suitable information and training, and making arrangements to help people leave the premises safely. Is There a Legal Minimum Number of Fire Marshals? No law sets a minimum number of fire marshals for every workplace. The right number depends on what your fire risk assessment identifies. UK government guidance says premises with staff must appoint enough competent people to carry out their fire procedures. In anything larger or more complex than a small, simple workplace, this usually means appointing fire marshals to help people evacuate and, where it is safe, check their assigned areas. For example, a small office may be able to manage its evacuation arrangements with a limited number of trained staff. A larger building with several floors, public areas and different working shifts may need more people to provide suitable cover. Who is Responsible for Appointing Fire Marshals? The responsible person is accountable for making sure appropriate fire safety arrangements are in place. Depending on the premises, this may be an employer, business owner, landlord or another person with control over the building. In a workplace, the employer will often be the responsible person, although a landlord or managing agent may also have duties in areas under their control. Where several organisations share a building, they should coordinate their fire safety arrangements. The responsible person should use the fire risk assessment to identify the training, staffing and evacuation arrangements required for the premises. What Factors Determine How Many Fire Marshals You Need? Several factors affect the number of fire marshals a business needs. Looking at employee numbers alone may leave gaps in evacuation cover, particularly in large buildings or workplaces with changing occupancy. Size and Layout of the Building A workplace spread across several floors or separate areas may need more fire marshals than a small, open-plan office. People must be able to hear the alarm, identify suitable escape routes and leave the building according to the emergency plan. Large warehouses, buildings with restricted areas and premises with complex layouts may need more fire marshals. Your fire risk assessment should look at the escape ways, the building layout, and the time and resources needed to get everyone out safely. Number of Employees, Visitors and Other Occupants The number of people in your building affects how you plan an evacuation. A workplace with 40 employees may hold far more people at busy times once customers, contractors and visitors are counted. Fire marshals should know how to direct people to the right exits and where to report at the assembly point. If your business is open to the public, remember that visitors may not know the building or its evacuation procedures. Level of Fire Risk The activities carried out on the premises can affect the number of trained people required. A typical office may have different risks from a factory that uses machinery, a warehouse storing combustible
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