Fire Risk Assessment for a Small Workshop: A Practical UK Guide
If you run or manage a small workshop — whether it's a joinery, fabrication unit, auto repair bay or general trade premises — you have a legal duty to carry out a fire risk assessment. This duty comes from the Regulatory Reform (Fire Safety) Order 2005 (the FSO), enforced by your local Fire and Rescue Authority, not the HSE. Getting it right protects your workers, your premises and your business.
What the Law Actually Requires
Under Article 9 of the FSO, the responsible person — usually the employer or the person in control of the premises — must carry out a suitable and sufficient fire risk assessment and act on its findings. If you employ five or more people, you must record the significant findings. Even below that threshold, recording everything is strongly advisable and costs you nothing.
A fire risk assessment is a standalone document. Unlike a RAMS (Risk Assessment + Method Statement used for operational tasks), it does not require a method statement — it requires an action plan based on what you find.
The Five-Step Process
The standard approach, endorsed by the FSO guidance, follows five steps:
- Identify fire hazards — sources of ignition, fuel and oxygen
- Identify people at risk — workers, visitors, anyone who may not self-evacuate easily
- Evaluate and reduce the risk — apply controls and remove hazards where possible
- Record, plan, instruct and train — document findings and communicate them
- Review regularly — and whenever conditions change
Step 1: Fire Hazards in a Small Workshop
Workshops concentrate ignition sources and combustible materials in a relatively small space. Common hazards include:
Ignition sources
- Welding, grinding and cutting sparks
- Faulty or overloaded electrical equipment and wiring
- Hot works (angle grinders, blowtorches)
- Portable heaters left unattended
- Friction from machinery
Fuel sources
- Timber offcuts, MDF dust and shavings
- Rags soaked in oil, solvent or paint
- Aerosol cans and flammable liquids (thinners, adhesives, LPG)
- Cardboard packaging and paper waste
- Foam or upholstery materials
Oxygen sources
- Normal air in the workshop is sufficient to sustain fire; compressed air lines and oxygen cylinders (in welding areas) dramatically accelerate it
Step 2: Who Is at Risk?
Think beyond your immediate team:
- Employees working alone or in poor visibility (dust, fumes)
- Apprentices or younger workers less familiar with emergency procedures
- Delivery drivers or customers who don't know the layout
- Anyone with a disability affecting their ability to evacuate quickly
Step 3: Reducing the Risk — Controls in the Right Order
Apply controls systematically, not just by reaching for a fire extinguisher.
| Priority | Example controls for a workshop |
|---|---|
| Eliminate | Stop storing large quantities of flammable liquids; remove accumulations of waste daily |
| Substitute | Use water-based adhesives or coatings instead of solvent-based where practicable |
| Engineering | Local exhaust ventilation (LEV) to capture dust; metal bins with lids for oily rags; fire-rated storage cupboards for flammables |
| Administrative | Hot-works permit system; clear housekeeping schedule; no-smoking policy; electrical inspection regime (EICR) |
| PPE / detection | Smoke and heat detectors appropriate to the environment; fire-rated PPE where required by hot works |
Specific Points for Small Workshops
- Electrical safety: Many workshop fires start with electrical faults. Ensure fixed wiring is inspected by a competent electrician (an EICR is the recognised standard) and portable appliances are PAT tested at suitable intervals.
- Flammable liquids: Store in a dedicated, ventilated, fire-resistant cabinet. Quantities on the workbench should be the minimum needed for the job.
- Dust: Wood dust and metal dust can both ignite. LEV, regular cleaning of ledges and surfaces, and avoiding dust build-up near heat sources are essential. Explosive dust concentrations are a real risk in enclosed spaces.
- Hot works: Use a permit-to-work system even in a small workshop. Check the area 30–60 minutes after hot works finish — smouldering material can reignite.
Step 4: Emergency Arrangements
Your assessment must translate into practical arrangements:
- Means of escape: Exits must be unobstructed, clearly signed and sufficient in number for the occupancy. Check that roller shutter doors are not the only way out.
- Fire detection and warning: Fit appropriate detectors — optical smoke detectors suit dusty environments better than ionisation types in many workshop settings.
- Fire-fighting equipment: Provide suitable extinguishers (CO₂ for electrical, dry powder or CO₂ near flammables, water mist as a versatile option). Train staff to use them — but only if it is safe to do so. Evacuation always comes first.
- Emergency plan: A simple written plan covering assembly point, who calls 999, and how to account for everyone present.
- Training: All workers must know the plan. Record the training.
Step 5: Reviewing Your Assessment
Review the fire risk assessment:
- At least annually
- After any fire or near-miss
- Following a significant change to the layout, processes, materials or occupancy
- If you take on a new type of work (e.g. starting spray finishing or LPG use)
Keeping Records
Record your significant findings, the controls you have put in place, and your emergency plan. Keep the document accessible on site. If the Fire and Rescue Authority visits, this is what they will ask to see.
A well-maintained fire risk assessment is not a one-off exercise — it is a live management tool that keeps pace with what actually happens in your workshop day to day.