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
Highly Flammable LPG No Smoking No Naked Lights Sign with warning and prohibition symbols

Highly Flammable LPG Multi Purpose Sign

Clearly warns people of highly flammable LPG while prohibiting smoking and naked lights to help reduce fire and ignition risks.
• Warns of highly flammable LPG and prohibits smoking and naked lights
• Suitable for gas storage areas, fuel handling zones, industrial sites and workshops
• High-visibility colours and clear warning and 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 ignition around flammable LPG
£6.86
Caution Slippery Surface free standing warning sign

Caution Slippery Surface Free Standing Sign 600mm

Warn staff and visitors of slippery surface hazards with this highly visible free standing caution safety sign.
• Alerts people to slippery surfaces and wet floor hazards
• Ideal for entrances, cleaning areas, walkways, and public buildings
• Bright yellow warning design ensures excellent visibility and awareness
• Durable heavy duty moulded plastic construction for repeated use
• Helps improve workplace safety and reduce accident risks in hazardous areas
£16.80
Danger Test Area Sign with General Warning Symbol

Danger Test Area Sign

Clearly warns people of potential dangers within a designated test area to support safer testing activities.
• Warns people of potential hazards within a test area
• Suitable for laboratories, testing facilities, research centres, workshops and industrial sites
• High-contrast black text and warning symbol on a yellow background provide clear hazard communication
• 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 keep personnel informed and promotes safer testing environments
£2.71
Danger 240 Volts Electrical Warning Sign

Danger 240 Volts Electrical Sign

Clearly warns people of a 240 volt electrical hazard to help reduce the risk of electric shock or injury.
• Warns people of dangerous 240 volt electrical equipment or areas
• Suitable for plant rooms, workshops and electrical control 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 encourage safer access around electrical equipment
£2.71
Danger Demolition In Progress warning safety sign with yellow hazard symbol

Danger Demolition In Progress Sign

Warn people that demolition work is taking place with this Danger Demolition In Progress Sign.
• Alerts workers, visitors and the public to demolition activity
• Suitable for construction sites, demolition zones, refurbishment projects and restricted work areas
• Bold warning symbol and clear text provide excellent visibility and recognition
• Available in Rigid Plastic (1mm) and Rigid Plastic (2mm)
• Helps reduce risk by clearly identifying hazardous demolition areas
£9.83
Danger Tree Felling In Progress warning sign

Danger Tree Felling In Progress Sign

Warn people that tree felling work is taking place and that they should take extra care in the area.

Alerts people to active tree felling hazards
Suitable for forestry areas, woodland paths and public access routes
Bold yellow warning design with clear black text and hazard symbol
Made from 4mm Recyclable Correx ® Fluted Plastic Material
Helps reduce risk around forestry and tree work operations
£10.81
Danger No Unauthorised Access Stay Out Sign with prohibition and stay out symbols

Danger No Unauthorised Access - Stay Out Sign

Danger No Unauthorised Access Stay Out Sign clearly restricts entry and instructs people to stay out of designated restricted areas.
• Prevents unauthorised access and reinforces the instruction to stay out
• Suitable for construction sites, industrial zones and private property
• Bold symbols and high-contrast text provide strong visibility and clear 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 maintain site security and reduce the risk of accidents in restricted areas
£12.91
Forklift Truck Reversing Warning Sign with yellow and black forklift warning symbol

Forklift Truck Reversing Warning Sign

Warns staff and pedestrians about reversing forklift truck movements, helping reduce collision risks and improve workplace traffic safety.• Warns people about reversing forklift truck activity in operational areas• Suitable for warehouses, loading bays, factories and industrial sites• High-visibility yellow and black warning design provides 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 reduce collision risks and improve workplace traffic safety
£4.88
Toxic Poison Label Sign with skull and crossbones hazard symbol

Toxic/Poison Label Sticker

Toxic Poison Label Sign clearly identifies toxic or poisonous substances and warns people of the potential risk of harmful exposure.
• Alerts people to the presence of toxic or poisonous substances
• Suitable for laboratories, industrial sites, storage areas and workplaces
• High-contrast skull and crossbones symbol provides clear hazard recognition
• Available in Self Adhesive Vinyl for clear hazard labelling
• Helps reduce the risk of accidental poisoning or chemical exposure
£2.04
Slips trips and falls workplace safety poster

Slips Trips & Falls Poster

Slips Trips & Falls Poster provides clear workplace guidance to help reduce the risk of slips, trips, and falls.
• Helps communicate slips, trips, and falls safety awareness
• Suitable for workplaces, warehouses, offices, corridors, and staff areas
• Bright warning symbols and clear sections ensure excellent visibility
• Manufactured from Rigid Plastic (1mm)
• Helps reinforce safer workplace behaviour and hazard prevention
£15.38
Warning Hazardous Area Sign with General Warning Symbol

Warning Hazardous Area Sign

Clearly warns people of a hazardous area to help improve awareness of potential risks and reduce accidental entry.
• Alerts people to the presence of a hazardous area where dangers may be present
• Suitable for construction sites, industrial facilities, restricted zones, warehouses and manufacturing areas
• High-contrast black text and warning symbol on a yellow background provide clear visibility
• 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 reduce the risk of accidents by clearly identifying hazardous locations
£2.71
Petroleum Spirit Highly Flammable No Smoking No Naked Lights Sign with warning and prohibition symbols

Petroleum Spirit Highly Flammable Multi Purpose Sign

Clearly warns people of highly flammable petroleum spirit while prohibiting smoking and naked lights to help reduce fire and ignition risks.
• Warns of highly flammable petroleum spirit and prohibits smoking and naked lights
• Suitable for fuel storage areas, workshops, industrial sites and hazardous material zones
• High-visibility colours and clear warning and 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