Warning Signs

Hazard Safety Signs warn employees, visitors and contractors about potential dangers within the workplace. Also known as warning signs, hazard warning signs or danger signs, they help identify risks before accidents occur and play a vital role in workplace safety management.

These signs are widely used in factories, warehouses, construction sites, workshops, schools, hospitals, utilities, commercial premises and public buildings where hazards need to be clearly communicated.

Typical installation locations include machinery areas, electrical rooms, chemical storage facilities, loading bays, construction zones, plant rooms, restricted access areas and workplace entrances.

Available in self-adhesive vinyl, rigid plastic, aluminium and selected photoluminescent materials, many of our hazard safety signs are manufactured in the UK for excellent visibility, durability and long-term performance.

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Subcategories

Hazard Warning Signs
Workplace Warning Signs
Industry Warning Signs
Overhead & Head Clearance Signs
Construction & Site Safety Signs
Roof & Height Safety Signs
Danger 400 Volts Electrical Warning Sign

Danger 400 Volts Electrical Sign

Clearly warns people of a dangerous 400 volt electrical hazard to help reduce the risk of electric shock or serious injury.
• Warns people of dangerous 400 volt electrical equipment or areas
• Suitable for industrial sites, plant rooms and electrical areas
• High-contrast yellow and black design provides strong visibility and clear recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps reinforce electrical hazard awareness and support safer working around electrical equipment
£2.71
Danger Asbestos No Admittance Protective Clothing safety sign with warning, prohibition and mandatory symbols

Danger Asbestos No Admittance Protective Clothing Sign

Warn personnel of asbestos hazards and enforce controlled access with this Danger Asbestos No Admittance Protective Clothing Sign.
• Warns of asbestos hazards, restricts access to authorised personnel and requires protective clothing before entry
• Ideal for asbestos-contaminated areas, construction sites and plant rooms
• Bold colours and recognised safety symbols provide excellent visibility and quick understanding
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back), and Self Adhesive Vinyl
• Helps enforce site safety procedures and reduce the risk of exposure to hazardous asbestos materials
£6.86
Private Woodland Keep Out sign with red prohibition symbol

Private Woodland Keep Out Sign

Clearly warns unauthorised individuals not to enter private woodland areas.

Prevents unauthorised access to private land
Ideal for estates, farms, forests, and woodland areas
Bold red prohibition symbol ensures high visibility
Manufactured from durable, weather-resistant material
Helps protect property and maintain site security
£10.81
Danger Do Not Play Stay Out Sign with prohibition and stay out safety symbols

Danger Do Not Play Sign - Stay Out

Danger Do Not Play Stay Out Sign clearly warns people not to play in hazardous areas and instructs them to stay out.
• Prevents access to dangerous or restricted areas and clearly prohibits playing
• Suitable for construction sites, industrial areas and private property
• Clear safety symbols, bold colours and high-contrast text provide strong visibility
• Available in Aluminium Composite (3mm), Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps reduce accidents and reinforces site safety rules around hazardous areas
£12.91
Oxidizing Label Sign with flame over circle hazard pictogram

Oxidizing Label Sticker

Oxidizing Label Sign clearly identifies oxidizing substances that may cause or intensify fire and helps increase awareness of combustion hazards.
• Alerts people to the presence of oxidizing substances that can accelerate combustion
• Suitable for laboratories, chemical storage areas and industrial sites
• High-contrast flame over circle symbol provides clear and immediate hazard recognition
• Available in Self Adhesive Vinyl for clear hazard labelling
• Helps reduce risk by warning people of increased fire hazards
£2.04
Warning Fire Risk Flammable Hazard Sign

Warning Fire Risk Flammable Sign

Clearly warns people of a fire risk from flammable materials to help promote safer working conditions.
• Alerts people to the presence of flammable materials and associated fire hazards
• Suitable for workplaces, storage areas and industrial environments
• High-visibility yellow and black design provides clear and immediate recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps reinforce fire risk awareness and encourage appropriate caution in hazardous areas
£2.71
Glow In The Dark Warning Very Hot Water safety sign

Glow in the Dark Warning Very Hot Water Sign

Clearly warns individuals of very hot water hazards using a glow in the dark design to help prevent burns and scalding injuries.
• Warns individuals of the presence of very hot water
• Suitable for kitchens, boiler rooms, laboratories and plant areas
• Photoluminescent design with a bold warning symbol provides clear visibility in low-light conditions
• Available in Extra Glow in the Dark Self Adhesive (Class C) and Extra Glow in the Dark Rigid Plastic (Class C)
• Helps increase hazard awareness and reduce the risk of scalding injuries
£4.73
Danger Highly Flammable No Smoking No Naked Lights Sign with warning and prohibition symbols

Danger Highly Flammable Multi Purpose Sign

Clearly warns people of highly flammable hazards while prohibiting smoking and naked lights to help reduce fire and ignition risks.
• Warns of highly flammable substances and prohibits smoking and naked lights
• Suitable for storage areas, industrial facilities, workshops and hazardous workplaces
• High-visibility warning colours and clear prohibition symbols provide quick recognition
• Available in Aluminium Composite (3mm), Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps improve fire safety awareness and reduce the risk of fire and explosion incidents
£6.86
No Hard Hats, No Boots, No Job Sign with hard hat and safety boot symbols

No Hard Hats, No Boots, No Job. Sign

Reinforce essential PPE requirements by clearly reminding workers and visitors that hard hats and safety boots are required.
• Reminds workers and visitors that hard hats and safety boots are required
• Suitable for construction sites, industrial areas and restricted work zones
• Bold blue design with clear PPE symbols provides excellent visibility and recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps promote site safety and reinforce access requirements for designated work areas
£14.77
Danger 440 Volts Electrical Warning Sign

Danger 440 Volts Electrical Sign

Clearly warns people of a dangerous 440 volt electrical hazard to help reduce the risk of electric shock or serious injury.
• Warns people of dangerous 440 volt electrical equipment or areas
• Suitable for industrial sites, plant rooms and electrical areas
• High-visibility yellow and black design provides strong visibility and clear recognition
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps reinforce electrical hazard awareness and promote safer working around electrical equipment
£2.71
Warning Forest Operations Please Follow Signs safety sign

Warning Forest Operations (Please Follow Signs) Sign

Inform people that forestry operations are taking place and that they must follow all posted signs and diversions.

Alerts the public to ongoing forest operations
Suitable for woodland areas, forestry sites and public access routes
Clear yellow warning design with bold text and hazard symbol
Made from 4mm Recyclable Correx ® Fluted Plastic Material
Helps guide safe movement through active work zones
£10.81
Danger No Quad Bikes Stay Out Sign with quad bike prohibition and stay out symbols

Danger No Quad Bikes Sign - Stay Out

Danger No Quad Bikes Stay Out Sign clearly prohibits quad bike access and instructs unauthorised people to stay out of restricted areas.
• Prevents quad bike access and reinforces the instruction to stay out
• Suitable for construction sites, private land, industrial areas and farms
• Bold colours and clear safety symbols provide high visibility and quick recognition
• Available in Aluminium Composite (3mm), Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back) and Self Adhesive Vinyl
• Helps reduce the risk of accidents and unauthorised vehicle access
£6.86