Fire door signage is one of the most frequently overlooked aspects of fire door management. Missing, damaged or incorrect signs are among the commonest defects recorded during fire door inspections — yet they are often inexpensive to put right.
For property managers, managing agents, landlords and facilities teams, understanding fire door signage requirements helps you spot issues during routine checks and brief contractors accurately when signs need replacing.
This guide explains what inspectors typically look for, how signage relates to wider fire safety duties, common mistakes and practical next steps. It does not replace project-specific fire strategy advice or a fire risk assessment.
Quick answer: what fire door signage is required?
Fire doors should be identifiable and, where appropriate, carry signs indicating their purpose — such as "Fire door keep shut" on doors that must remain closed, or "Fire door keep locked shut" on doors that are locked shut in normal use.
Requirements depend on the door's role in the fire strategy, building type and applicable guidance. During inspection, missing, damaged, incorrect or non-compliant signage is commonly recorded as a visible defect.
Why fire door signage matters in practice
Fire doors only work if they are used correctly. Signage helps building occupants, staff and contractors understand that a door is a fire door and how it should be kept — closed, locked shut, or clear of obstructions.
In schools, care homes, offices and residential blocks, missing signage contributes to doors being wedged open, propped with extinguishers, or treated as ordinary doors. Visible signs support correct behaviour between formal inspections.
What fire door inspectors check regarding signage
During a fire door inspection, signage is reviewed as part of the visible condition assessment for each door in scope.
- Whether appropriate fire door signs are present on both sides where required
- Sign condition — faded, damaged, peeling or obscured
- Correct wording for the door's intended use
- Sign size, positioning and visibility at a reasonable viewing height
- Whether signs appear compliant with recognised pictogram and colour conventions
- Whether certification or rating labels are present and legible where visible
Common fire door sign types
The sign required depends on how the door is intended to operate within the fire strategy.
- "Fire door keep shut" — for doors that must self-close and remain shut
- "Fire door keep locked shut" — for doors locked shut in normal use
- "Automatic fire door keep clear" — for hold-open or automatic doors where applicable
- Fire-resisting door identification where required by the fire strategy
- Directional fire exit signage — separate from fire door identification but related to escape routes
Certification labels and identification plates
Fire door sets may carry certification labels or identification plates indicating tested fire resistance (for example FD30 or FD60). These are not the same as operational signage but help confirm the door's intended rating where labels remain visible.
Missing or painted-over certification labels may be noted during inspection. This does not automatically mean the door is non-fire-rated, but it reduces the evidence available to confirm specification without further investigation.
Common fire door signage defects found during inspections
Signage defects are frequently recorded because signs are inexpensive to install but easily removed, damaged or overlooked during redecoration.
- Missing signs on one or both sides of the door
- Faded or illegible signs that no longer communicate clearly
- Incorrect wording — for example "keep shut" on a door that should be locked shut
- Signs placed too low, too high, or on the wrong leaf
- Non-standard or homemade signs that do not match recognised conventions
- Signs removed during painting and not replaced
- Obstructed signs hidden by notices, equipment or furniture
Legal and standards context in the UK
The Regulatory Reform (Fire Safety) Order 2005 requires the Responsible Person to take general fire precautions, which includes ensuring fire safety equipment and facilities are maintained. Fire doors and their signage form part of those arrangements.
Approved Document B and relevant British Standards provide guidance on fire door signage conventions — including the blue circular "mandatory" sign format for "Fire door keep shut". The Fire Safety (England) Regulations 2022 extended fire door checking duties for certain residential buildings but do not replace the need for appropriate signage on fire doors generally.
This is general guidance, not legal advice. Signage requirements for a specific building should be considered alongside the fire risk assessment and fire strategy.
Replacing and maintaining fire door signage
Replacing missing or damaged signage is usually straightforward and low cost compared with closer or seal replacement. Use recognised sign formats and fix signs at a visible height on the door leaf or frame as appropriate.
Include signage checks in routine caretaker or facilities walk-rounds. After redecoration or tenant works, verify signs were replaced. When briefing contractors for remedial works, include signage replacement alongside functional repairs.
Common mistakes with fire door signage
Property teams often treat signage as cosmetic rather than functional, leading to recurring inspection findings.
- Removing signs during painting and forgetting to replace them
- Using generic printed labels instead of recognised fire door sign formats
- Placing signs only on one side when both faces need identification
- Ignoring signage defects because the door "still closes fine"
- Assuming certification labels alone replace operational signage
- Failing to include signage in contractor briefs after remedial works
Practical next steps
Walk your building and check signage on fire doors in communal areas, stairwells, plant rooms and escape routes. Note missing or damaged signs and add replacement to your maintenance schedule or next remedial works brief.
If you are unsure which signs are appropriate for specific doors, refer to the fire risk assessment or seek advice from a competent fire safety professional. A structured fire door inspection will record signage condition alongside other visible defects.