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How to Conduct a Fire Risk Assessment — Step-by-Step UK Guide

Legal Requirements, Process & Compliance Checklist 2025

A complete guide to fire safety assessments for UK non-domestic premises under the Regulatory Reform (Fire Safety) Order 2005.

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Understanding Fire Risk Assessment Requirements

Fire risk assessment is a legal requirement for virtually all non-domestic premises in the UK under the Regulatory Reform (Fire Safety) Order 2005. If you're responsible for a building, you must ensure a suitable and sufficient fire risk assessment is completed and regularly reviewed.

Fire risk assessments are required for all workplaces and commercial buildings, shared areas of residential buildings, premises open to the public, temporary structures and events, construction sites, and any building with five or more regular occupants.

The Legal Framework

Fire Safety Order 2005

The primary legislation governing fire safety in England and Wales places duties on responsible persons to conduct fire risk assessments, implement fire safety measures, provide fire safety information and training, maintain fire safety equipment, and plan for emergencies.

Industry-Specific Regulations

Different sectors may have additional requirements: healthcare (HTM 05-01 guidance), housing (Housing Act 2004), schools (DfE guidance on fire safety), and licensed premises (additional licensing conditions). For specific property types, see our guides for landlord fire risk assessments, HMO fire risk assessments, and Airbnb fire risk assessments.

The 5-Step Fire Risk Assessment Process

Step 1: Identify Fire Hazards

Fire hazards fall into three categories forming the "fire triangle": sources of ignition (electrical equipment, heating systems, hot work, cooking equipment, smoking materials), sources of fuel (paper and cardboard, textiles, flammable liquids, gases, waste materials), and sources of oxygen (natural air circulation, mechanical ventilation, oxidising chemicals).

Step 2: Identify People at Risk

Consider all building occupants: employees (day and night shift workers, maintenance, security), visitors (customers, contractors, members of the public), and vulnerable persons (people with mobility or sensory impairments, children, elderly occupants, and pregnant women).

Step 3: Evaluate and Reduce Fire Risks

For each hazard, assess the likelihood (very likely to very unlikely) and potential consequences (slight harm to death), then determine the risk level — high (immediate action required), medium (action within defined timeframe), or low (monitor and review).

Step 4: Record Findings and Action Plan

Your fire risk assessment must document: hazard identification with locations, people potentially affected, current control measures, risk ratings, additional measures needed, responsible persons, target completion dates, and emergency procedures including evacuation routes and assembly points.

Step 5: Emergency Planning and Procedures

Develop comprehensive emergency procedures covering fire detection and warning systems, means of escape (travel distances, exit widths, emergency lighting, signage), fire fighting equipment, and evacuation procedures including provisions for disabled persons.

Review Frequency

Fire risk assessments should be reviewed annually as a minimum, after any significant changes to the premises, following fire incidents or near misses, after alterations to fire safety systems, and when occupancy patterns change significantly.

Fire Safety Equipment Checklist

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