Prohibition Signs

Construction Prohibition Signs communicate actions that are not permitted on construction sites and temporary work areas. Also known as prohibition safety signs, restricted access signs or construction site prohibition notices, they help prevent unsafe behaviour and reduce the risk of accidents.

Commonly used by contractors, developers, principal contractors, facilities managers and local authorities, these signs clearly identify prohibited activities such as unauthorised entry, smoking, mobile phone use and access to hazardous areas.

Typical installation locations include site entrances, perimeter fencing, access gates, welfare facilities, storage compounds, high-risk work zones and restricted areas.

Manufactured in the UK and available in durable materials suitable for indoor and outdoor use, construction prohibition signs provide clear visual instructions that help maintain a safer and more controlled site environment.

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Construction Site No Entry To Unauthorised Personnel Sign with red prohibition symbol
Construction Site No Entry To Unauthorised Personnel Sign
Clearly prohibits unauthorised personnel from entering construction sites and restricted work areas.
• Prevents unauthorised access to hazardous construction areas
• Suitable for construction sites, building zones and restricted work areas
• Bold red prohibition symbol and clear text provide maximum visibility
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps support site safety, security and controlled access
£5.72
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No smoking or vaping prohibition safety sign
No Smoking Or Vaping Sign
Clearly informs people that smoking and vaping are prohibited in the area using a bold prohibition symbol and message.
• Clearly states that smoking and vaping are not permitted
• Ideal for workplaces, public buildings, entrances and shared indoor areas
• Bold prohibition symbol and text provide instant visibility and recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps support smoke-free compliance and reduce fire and health risks
£2.26
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No smoking or vaping on these premises prohibition sign
No Smoking Or Vaping On These Premises Sign
Clearly informs staff and visitors that smoking and vaping are prohibited on the premises.
• Clearly states that smoking and vaping are not permitted on these premises
• Ideal for workplaces, public buildings, entrances and shared indoor areas
• Bold prohibition symbol and text provide instant visibility and recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps support smoke-free compliance and maintain safer environments
£2.26
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No Construction Traffic prohibition safety sign
No Construction Traffic Sign
Clearly restrict construction vehicles from entering controlled areas with this highly visible No Construction Traffic sign.
• Prevents construction traffic from accessing restricted or pedestrian-controlled zones
• Suitable for construction sites, pedestrian areas, restricted access points, and workplace entrances
• Bold red prohibition symbol and clear text ensure excellent visibility and recognition
• Manufactured from durable Rigid Plastic (1mm), Self Adhesive Vinyl, and Recyclable Corex ® (4mm) materials
• Helps improve site safety, reduce vehicle risks, and maintain controlled traffic flow
£12.31
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Children Keep Out Construction Sign with red prohibition symbol and construction sites are dangerous warning
Children Keep Out Construction Sign
Clearly warns children to keep out of dangerous construction areas, helping restrict access and improve site safety.
• Prevents children from entering dangerous construction sites
• Suitable for building sites, entrances and perimeter fencing
• Bold red and white design with a clear prohibition symbol provides high visibility
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps reduce the risk of accidents and supports site safety management
£8.50
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Keep Out Construction Sites Are Dangerous Sign with red prohibition symbol
Keep Out Construction Sites Are Dangerous Sign
Clearly warns people to keep out of dangerous construction sites, helping prevent unauthorised access and reduce the risk of accidents.
• Clearly communicates that access to construction sites is not permitted
• Suitable for building sites, work zones and hazardous areas
• Bold red and white design with a clear prohibition symbol provides high 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 prevent unauthorised access and reduce the risk of accidents
£4.07
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Children must not play on this site prohibition safety sign
Children Must Not Play On This Site Construction Sign
Prevent children from accessing dangerous construction areas with this clear prohibition safety sign.
• Clearly warns that children must not play on site
• Ideal for construction sites, building zones, and hazardous work areas
• Bold text and prohibition symbol ensure high visibility
• Available in durable Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps reduce risk of accidents and improves site safety compliance
£4.07
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No smoking or vaping on this site prohibition sign
No Smoking Or Vaping On This Site Sign
Clearly informs staff and visitors that smoking and vaping are prohibited anywhere on the site.
• Clearly states that smoking and vaping are not permitted on site
• Ideal for workplaces, construction sites, public buildings and shared outdoor areas
• Bold prohibition symbol and text provide instant visibility and recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps support smoke-free compliance and maintain safer site environments
£2.26
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Site Access Only prohibition safety sign for restricted areas
Site Access Only Sign
Clearly restrict entry to authorised personnel with this highly visible Site Access Only sign designed for controlled access areas.
• Prevents unauthorised access to restricted and controlled site areas
• Suitable for construction sites, workplaces, warehouses, and secure access zones
• Bold high-contrast design ensures excellent visibility and quick recognition
• Manufactured from durable Rigid Plastic (1mm) and Self Adhesive Vinyl materials
• Helps maintain site security and reinforce access control procedures
£12.31
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No admittance without a permit to work prohibition safety sign
No Admittance Without A Permit To Work Sign
Ensure only authorised personnel enter restricted areas with this no admittance without a permit to work sign.
• Clearly prohibits access without proper authorisation
• Ideal for construction sites, industrial areas, and controlled work zones
• Bold red prohibition symbol with high-contrast text for clear visibility
• Available in durable 1mm Rigid Plastic and 4mm Recyclable Corex
• Helps maintain site safety and enforce permit-to-work systems
£4.38
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No Entry Sign with red prohibition symbol
No Entry Sign
Clearly prohibits unauthorised access to restricted or controlled areas with a highly visible No Entry Sign.
• Prevents unauthorised entry into restricted or controlled access areas
• Suitable for workplaces, construction sites, warehouses and staff-only zones
• Bold red and white prohibition symbol provides clear visibility and quick 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 improve site security, access control and workplace safety
£2.26
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No Exit Sign with red prohibition symbol
No Exit Sign
Clearly identifies restricted exit points and helps control movement through designated access areas with a highly visible No Exit Sign.
• Clearly prevents unauthorised exiting through restricted or controlled access points
• Suitable for doors, corridors, restricted zones and controlled access points
• Bold red prohibition symbol and clear text provide excellent visibility and quick 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 improve site security and supports controlled movement within premises
£2.26
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No Through Traffic Sign with red prohibition symbol
No Through Traffic Sign
Clearly prevents through traffic from entering designated areas, helping maintain controlled vehicle access and improve site safety.
• Clearly informs drivers that through traffic is not permitted
• Suitable for private roads, residential zones and restricted access areas
• Bold red and white prohibition design provides high visibility and quick 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 congestion and improve safety in controlled traffic environments
£5.72
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Caution Speed Ramp Sign with speed ramp warning symbol
Caution Speed Ramp Sign
Alerts drivers to speed ramps ahead and helps reduce the risk of vehicle damage or accidents.
• Warns drivers of speed ramps and traffic calming measures
• Suitable for car parks, private roads, industrial estates, schools and site roads
• Clear red and white design with speed ramp symbol for high visibility
• Available in 1mm Rigid Plastic and 4mm Recyclable Corex
• Helps improve driver awareness and safer traffic movement
£4.38
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Works Access Only Sign with red prohibition symbol
Works Access Only Sign
Clearly restricts entry to authorised personnel and helps prevent unauthorised access to designated work areas.
• Restricts access to authorised personnel in designated work areas
• Suitable for construction sites, industrial facilities and work zones
• High-contrast red and white prohibition design provides clear visibility and recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps maintain controlled access and improve site safety
£5.72
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Pedestrians Please Use Other Footpath prohibition sign with pedestrian symbol and red background
Pedestrians Please Use Other Footpath Sign
Directs pedestrians to an alternative walking route using clear and highly visible guidance.
• Instructs pedestrians to use an alternative footpath or walkway
• Ideal for construction sites, roadworks, temporary closures, and public areas
• Bold red and white design with prohibition symbol ensures excellent visibility
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps maintain safe pedestrian movement and reduces access to restricted areas
£8.50
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Private Property Keep Out Sign with bold white text on red background
Private Property Keep Out Sign - BS 5499 Compliant
Clearly warns against unauthorised access to private property, helping deter trespassing and reinforce restricted access.
• Clearly informs people that the property is private and they must keep out
• Suitable for private land, gates, fences, buildings and restricted entrances
• Bold red and white design provides high visibility and quick 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 improve property security with a direct and easy-to-understand message
£4.07
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Exclusion Zone Tally Holders Only Without Exception Sign with prohibition symbol
Exclusion Zone Tally Holders Only Without Exception Sign
Clearly restricts entry to tally holders only and reinforces strict access control within designated exclusion zones.
• Restricts access to tally holders only without exception
• Suitable for construction sites, restricted zones and hazardous areas
• Bold red and white prohibition design provides high visibility and clear recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps enforce strict site access rules and prevent unauthorised entry
£5.72
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Construction Site No Unauthorised Persons Allowed Beyond This Point Sign with prohibition symbol
Construction Site No Unauthorised Persons Allowed Beyond This Point Sign
Clearly restricts unauthorised access beyond a designated point on construction sites to support safer site control.
• Prevents unauthorised persons from proceeding beyond a restricted access point
• Suitable for construction sites, building projects and restricted zones
• Bold red and white prohibition design provides high visibility and clear recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps improve site safety and reinforce controlled access procedures
£5.72
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No Pedestrian Access Sign with red prohibition symbol
No Pedestrian Access Sign
Clearly prohibits pedestrian access to restricted or hazardous areas to support effective site safety and access control.
• Prevents pedestrians from entering areas where access is prohibited
• Suitable for construction sites, industrial facilities and restricted zones
• Bold red prohibition symbol and clear wording provide immediate recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps maintain controlled access and reduce pedestrian entry into restricted areas
£5.72
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No Entry To Working Area Before Reporting To Site Office Sign with pedestrian prohibition symbol
No Entry To Working Area Before Reporting To Site Office Sign
Clearly instructs people not to enter the working area before reporting to the site office, helping maintain controlled site access.
• Prevents entry to working areas before visitors or personnel have reported to the site office
• Suitable for construction sites, industrial zones and controlled work areas
• Bold red prohibition symbol and clear wording provide high visibility and immediate recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps support site safety procedures and effective visitor management
£5.72
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Pedestrians Please Use Other Footpath Sign with pedestrian prohibition symbol
Pedestrians Please Use Other Footpath Sign
Clearly directs pedestrians to use an alternative footpath to help prevent access to restricted or hazardous areas.
• Instructs pedestrians to use another footpath rather than proceed through the restricted route
• Suitable for construction zones, public walkways and restricted access areas
• Bold pedestrian prohibition symbol and clear wording provide high visibility and immediate recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps maintain safer pedestrian movement by directing people away from restricted routes
£5.72
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No Drivers Or Contractors Beyond This Point Sign with red prohibition symbol
No Drivers Or Contractors Beyond This Point Sign
Clearly restricts drivers and contractors from proceeding beyond a designated point to help maintain controlled site access.
• Prevents drivers and contractors from entering restricted areas
• Suitable for construction sites, industrial facilities and private premises
• Bold red and white prohibition design provides high visibility and immediate recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps maintain site safety by restricting access beyond designated control points
£5.72
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No Reversing Without Assistance Sign with red prohibition symbol
No Reversing Without Assistance Sign
Clearly prohibits vehicles from reversing without assistance to help reduce accident risks and maintain safer vehicle movements.
• Prevents vehicles from reversing without suitable assistance
• Suitable for construction sites, loading bays and industrial areas
• High-contrast red and white prohibition design provides clear visibility and quick recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps improve on-site vehicle safety by reinforcing controlled reversing procedures
£5.72
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Not Drinking Water Sign with tap and drinking glass prohibition symbol
Not Drinking Water Sign
Clearly identifies water that must not be consumed, helping prevent people from drinking from unsuitable water sources.
• Prohibits drinking from water sources identified as not suitable for consumption
• Suitable for construction sites, industrial areas and commercial premises
• Bold red prohibition symbol and clear wording provide high visibility and immediate recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps reduce the risk of people consuming water from unsuitable sources
£5.72
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No Mobile Phones Sign with red mobile phone prohibition symbol
No Mobile Phone Sign
Clearly prohibits the use of mobile phones in restricted areas to help minimise distractions and reinforce site safety requirements.
• Prevents mobile phone use in areas where phones are prohibited
• Suitable for construction sites, industrial facilities and secure workplaces
• High-contrast red prohibition symbol and clear wording provide quick recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Recyclable Correx ® (4mm)
• Helps reinforce safety, security and controlled working practices
£5.72
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Designated vaping and smoking area safety sign
Designated Vaping And Smoking Area Sign
Designated vaping and smoking area sign designed to clearly identify permitted smoking and vaping zones in workplaces and public environments.
• Clearly indicates areas where smoking and vaping are permitted
• Ideal for workplaces, smoking shelters, staff areas and public buildings
• Bold green design provides high visibility and easy recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps organise designated smoking and vaping areas effectively
£2.26
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This is a smoke and vape free site prohibition sign
This Is A Smoke And Vape Free Site Sign
Clearly informs staff, visitors and the public that smoking and vaping are prohibited on the premises.
• Indicates that smoking and vaping are not permitted on site
• Ideal for workplaces, entrances, public buildings and shared spaces
• Bold prohibition symbol and clear text ensure excellent visibility
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps support smoke-free policies and reduce exposure to second-hand smoke and vapour
£2.26
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No smoking or vaping near the entrance prohibition sign
No Smoking Or Vaping Near The Entrance Sign
Clearly informs staff and visitors that smoking and vaping are prohibited near the entrance to the building or premises.
• Clearly states that smoking and vaping are not permitted near the entrance
• Ideal for workplaces, public buildings, offices and shared access points
• Bold prohibition symbol and text provide instant visibility and recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps support smoke-free compliance and maintain cleaner entrance areas
£2.26
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No smoking or vaping in this toilet prohibition sign
No Smoking Or Vaping In This Toilet Sign
Clearly informs staff and visitors that smoking and vaping are prohibited within toilet facilities and washroom areas.
• Clearly states that smoking and vaping are not permitted in this toilet
• Ideal for workplace toilets, public washrooms and shared facilities
• Bold prohibition symbol and text ensure instant visibility and recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps support smoke-free compliance and maintain clean washroom environments
£2.26
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No smoking or vaping within 10m of the entrance sign
No Smoking Or Vaping Within 10m Of The Entrance Sign
Clearly informs people that smoking and vaping are prohibited within 10 metres of the entrance to the building or premises.
• Clearly states that smoking and vaping are not permitted within 10m of the entrance
• Ideal for workplaces, public buildings, offices and shared access points
• Bold prohibition symbol and text ensure strong visibility and quick recognition
• Available in Rigid Plastic (1mm), Rigid Plastic (2mm) and Self Adhesive Vinyl
• Helps support smoke-free compliance and maintain cleaner entrance areas
£2.26
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No Unauthorised Persons Beyond This Point Sign with red prohibition symbol
No Unauthorised Persons Beyond This Point Sign
Clearly restricts access beyond a designated point to authorised personnel only, helping maintain safe and controlled areas.
• Prevents unauthorised persons from proceeding beyond designated access points
• Suitable for construction sites, workplaces and restricted zones
• Bold red prohibition symbol and clear wording provide high visibility and immediate recognition
• Available in Rigid Plastic (1mm) and Rigid Plastic (2mm)
• Helps reinforce access restrictions and maintain controlled environments
£8.19
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No Entry Sign with red prohibition symbol
No Entry Sign
Clearly prohibits entry to designated areas, helping prevent unauthorised access and maintain controlled environments.
• Prevents unauthorised persons from entering restricted areas
• Suitable for workplaces, construction sites and restricted zones
• Bold red prohibition symbol and clear wording provide high visibility and immediate recognition
• Available in Rigid Plastic (1mm) and Rigid Plastic (2mm)
• Helps reinforce access restrictions and maintain safer controlled areas
£8.19
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No Entry To Unauthorised Personnel Sign with red prohibition symbol
No Entry To Unauthorised Personnel Sign
Clearly restricts access to controlled areas and helps prevent unauthorised personnel from entering designated zones.
• Clearly prevents entry by unauthorised personnel
• Suitable for construction sites, workplaces and restricted access zones
• Bold red and white design provides quick recognition and high visibility
• Available in Rigid Plastic (1mm), Rigid Plastic 1mm (Self Adhesive Back), Rigid Plastic (2mm), Rigid Plastic 2mm (Self Adhesive Back), Self Adhesive Vinyl and 4mm Recyclable Correx ®
• Helps improve workplace security, safety awareness and access control
£10.76
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No smoking prohibition safety sign
No Smoking Sign
Clearly communicates that smoking is prohibited in the area using a universally recognised no smoking symbol and message.
• Clearly informs people that smoking is not permitted
• Ideal for workplaces, public buildings, entrances and shared indoor areas
• Bold red prohibition symbol ensures instant visibility and recognition
• Available in Extra Glow in the Dark Self Adhesive (Class C), Extra Glow in the Dark Rigid Plastic (Class C), Rigid Plastic (1mm), Rigid Plastic (2mm), Self Adhesive Vinyl and Brushed Aluminium (3mm)
• Helps support smoke-free compliance and reduce fire and health risks
£2.26
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Caution plant room sign with authorised personnel only and door locked instructions
Caution Plant Room Sign
Caution plant room sign designed to warn of plant room hazards and restrict access to authorised personnel only.
• Helps alert individuals to potential plant room hazards and restricted access requirements
• Suitable for plant rooms, boiler rooms, maintenance areas, and restricted service environments
• High-contrast warning colours and bold symbols ensure strong visibility and quick understanding
• Manufactured from Rigid Plastic (1mm) and Self Adhesive Vinyl for durable indoor and outdoor use
• Supports workplace safety procedures and helps secure restricted access areas
£5.72
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Keep Off Scaffolding Sign with red prohibition symbol
Keep Off Scaffolding Sign
Clearly instructs people to keep off scaffolding, helping prevent unauthorised access and improve safety around temporary work structures.
• Prevents unauthorised access to scaffolding structures
• Suitable for construction sites and temporary work platforms
• Bold red prohibition design and clear wording provide high visibility
• Available in Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps reduce accidents and reinforce safer access around scaffolding
£5.95
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5MPH speed limit sign with speed restriction symbol
5MPH Speed Limit Sign
Clearly display a 5MPH speed restriction with this highly visible 5MPH Speed Limit Sign.
• Informs drivers of a strict 5MPH speed limit within controlled vehicle areas
• Ideal for car parks, private roads, site entrances, and pedestrian-heavy zones
• Bold speed symbol and clear text ensure excellent visibility and quick recognition
• Available in Aluminium Composite (3mm), Aluminium Composite With Fixing Channel (3mm), Aluminium Composite RA1 Reflective (3mm), and Aluminium Composite RA1 Reflective With Fixing Channel (3mm)
• Helps reduce accidents and supports safer traffic management
£34.51
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No parking sign with red prohibition symbol and bold white text
No Parking Sign
No parking sign used to clearly inform drivers that parking is prohibited in the designated area.
• Clearly informs drivers that parking is not permitted in the area
• Suitable for entrances, access routes, loading bays, and restricted parking areas
• Bold red and white prohibition design ensures excellent visibility and recognition
• Available in Rigid Plastic (1mm)
• Helps reduce obstruction and supports safer traffic management
£8.19
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No Unauthorised Vehicles Beyond This Point prohibition safety sign
No Unauthorised Vehicles Beyond This Point Sign
No Unauthorised Vehicles Beyond This Point Sign clearly restricts vehicle access to controlled or private areas to improve site safety and security.
• Prevents unauthorised vehicles from entering restricted access areas
• Ideal for private roads, construction sites, warehouses, and controlled zones
• Bold red prohibition symbol and clear text ensure immediate recognition
• Available in durable Rigid Plastic (1mm) and Self Adhesive Vinyl
• Helps improve traffic control, site security, and access management
£12.31
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Children Must Not Play On This Site Sign with red prohibition symbol
Children Must Not Play On This Site Sign
Clearly warns that children must not play on the site, helping restrict access to potentially hazardous or active work areas.
• Clearly instructs that children must not play on the site
• Suitable for construction sites and restricted outdoor zones
• Bold red design with a clear prohibition symbol provides high visibility and quick recognition
• Available in Rigid Plastic (1mm)
• Helps reduce accidents and improve overall site safety
£8.19
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You Are Looking At The Person Responsible For Your Safety Today sign with mirror
You Are Looking At The Person Responsible For Your Safety Today Sign Complete With Mirror
You Are Looking At The Person Responsible For Your Safety Today Sign Complete With Mirror promotes personal responsibility and workplace safety awareness.
• Encourages individuals to take responsibility for their own safety
• Suitable for workplaces, warehouses, staff areas, and safety briefing points
• High-visibility red and white design with integrated mirror feature
• Manufactured from Rigid Plastic (1mm)
• Helps reinforce proactive safety behaviour and improve hazard awareness
£26.73
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Red and white Not Drinking Water Sign with tap and glass prohibition symbol
Not Drinking Water Sign
Not Drinking Water Sign designed to clearly warn people that water from the designated source is not suitable for drinking.
• Clearly indicates that the water must not be consumed
• Suitable for industrial sites, maintenance areas, workplaces and wash facilities
• Bold red prohibition symbol and clear wording provide high visibility and easy 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 prevent people from consuming water identified as not suitable for drinking
£2.26
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5 MPH traffic speed limit sign with red circular border
5 MPH Traffic Speed Limit Sign
Clearly enforce low vehicle speeds with this highly visible 5 MPH Traffic Speed Limit Sign.
• Instructs drivers to adhere to a strict 5 MPH speed restriction
• Ideal for car parks, industrial estates, private roads, and traffic-managed areas
• Bold black numeral with red circular border ensures excellent visibility and recognition
• Available in Aluminium Composite (3mm) and Aluminium Composite With Fixing Channel (3mm)
• Helps improve pedestrian and vehicle safety by reducing traffic speeds
£44.81
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5 mph speed limit in force traffic safety sign
5 mph Speed Limit In Force Sign
Clearly inform drivers that a 5 mph speed limit is in force with this highly visible traffic control sign designed to improve site safety.
• Enforces a strict 5 mph speed limit to help reduce vehicle speeds
• Suitable for car parks, industrial sites, private roads, and pedestrian areas
• High-visibility design ensures clear and immediate driver recognition
• Manufactured from durable Rigid Plastic, Self Adhesive Vinyl, and Recyclable Correx® materials
• Helps improve traffic management and protect pedestrians in controlled areas
£12.31
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Car park speed limit sign displaying 5mph restriction
Car Park Speed Limit Sign (5mph)
Clearly display a 5mph speed restriction with this highly visible Car Park Speed Limit Sign.
• Informs drivers of a 5mph speed limit within car park and vehicle access areas
• Ideal for car parks, private roads, residential areas, and pedestrian-heavy zones
• Bold speed symbol and clear text ensure excellent visibility and quick recognition
• Available in Aluminium Composite (3mm), Aluminium Composite With Fixing Channel (3mm), Aluminium Composite RA1 Reflective (3mm), and Aluminium Composite RA1 Reflective With Fixing Channel (3mm)
• Helps improve pedestrian safety and supports controlled vehicle movement
£34.51
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Please drive slowly at all times 5mph speed limit sign
Please Drive Slowly At All Times Sign (5mph)
Encourage safer vehicle movement with this highly visible Please Drive Slowly At All Times Sign (5mph).
• Reminds drivers to maintain a maximum speed of 5mph and drive carefully
• Ideal for car parks, private roads, industrial estates, and pedestrian zones
• Clear speed limit symbol and bold text ensure excellent visibility and recognition
• Available in Aluminium Composite (3mm), Aluminium Composite With Fixing Channel (3mm), Aluminium Composite RA1 Reflective (3mm), and Aluminium Composite RA1 Reflective With Fixing Channel (3mm)
• Helps improve pedestrian safety and reduce vehicle speed in controlled traffic areas
£34.51
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10 MPH traffic speed limit sign with red circular border
10 MPH Traffic Speed Limit Sign
Clearly display a 10 MPH traffic speed limit with this highly visible 10 MPH Traffic Speed Limit Sign.
• Instructs drivers to adhere to a strict 10 MPH maximum speed limit
• Ideal for roads, industrial estates, car parks, and private land
• Bold red circular border and large numerals ensure excellent visibility and recognition
• Available in Aluminium Composite (3mm) and Aluminium Composite With Fixing Channel (3mm)
• Helps reduce accidents and maintain safer traffic flow in controlled environments
£44.81
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10 mph speed limit in force traffic safety sign
10 mph Speed Limit In Force Sign
Clearly inform drivers that a 10 mph speed limit is in force with this highly visible traffic safety sign designed to improve vehicle control.
• Instructs drivers to adhere to a strict 10 mph speed limit
• Suitable for car parks, private roads, industrial sites, and controlled access areas
• Clear text and symbol combination ensures excellent visibility and understanding
• Manufactured from durable Rigid Plastic, Self Adhesive Vinyl, and Recyclable Correx® materials
• Helps reinforce speed compliance and reduce accident risks in managed areas
£12.31
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Car park speed limit sign displaying 10mph restriction
Car Park Speed Limit Sign (10mph)
Clearly display a 10mph speed restriction with this highly visible Car Park Speed Limit Sign.
• Informs drivers of a 10mph speed limit within car park and vehicle access areas
• Ideal for car parks, private roads, retail parks, and visitor parking zones
• Bold speed symbol and clear text ensure excellent visibility and quick recognition
• Available in Aluminium Composite (3mm), Aluminium Composite With Fixing Channel (3mm), Aluminium Composite RA1 Reflective (3mm), and Aluminium Composite RA1 Reflective With Fixing Channel (3mm)
• Helps improve pedestrian safety and supports controlled vehicle movement
£34.51
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Please drive slowly at all times 10mph traffic sign
Please Drive Slowly At All Times Sign (10mph)
Encourage safer driving speeds with this highly visible Please Drive Slowly At All Times Sign (10mph).
• Reminds drivers to maintain a maximum speed of 10mph and drive carefully
• Ideal for car parks, private roads, industrial estates, and shared access areas
• Clear speed limit symbol and bold text ensure excellent visibility and quick recognition
• Available in Aluminium Composite (3mm), Aluminium Composite With Fixing Channel (3mm), Aluminium Composite RA1 Reflective (3mm), and Aluminium Composite RA1 Reflective With Fixing Channel (3mm)
• Helps improve pedestrian safety and reduce vehicle speed in controlled traffic environments
£34.51
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10MPH speed limit sign with red circular border
10MPH Speed Limit Sign
Clearly display a 10MPH speed restriction with this highly visible 10MPH Speed Limit Sign.
• Instructs drivers to adhere to a strict 10MPH speed limit
• Ideal for car parks, private roads, industrial sites, and restricted traffic areas
• High-contrast design ensures excellent visibility and quick recognition
• Available in Aluminium Composite (3mm), Aluminium Composite With Fixing Channel (3mm), Aluminium Composite RA1 Reflective (3mm), and Aluminium Composite RA1 Reflective With Fixing Channel (3mm)
• Helps reduce accidents and maintain safer traffic flow in controlled environments
£34.51
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Construction Prohibition Signs Guide

Construction Prohibition Signs are designed to identify activities and behaviours that are not allowed on site. Using recognised red prohibition symbols, these signs help prevent unsafe actions, protect workers and visitors, and support effective site safety management.

From preventing unauthorised access to restricting smoking or mobile phone use, prohibition signs are an essential part of construction safety communication and help reinforce site rules throughout a project.

Where Are Construction Prohibition Signs Used?

  • Construction site entrances
  • Restricted access areas
  • Perimeter fencing and hoardings
  • Hazardous work zones
  • Storage compounds and plant areas
  • Scaffolding and elevated work locations
  • Temporary contractor workspaces
  • Loading and delivery zones

Available Materials

Self-Adhesive Vinyl

Ideal for smooth internal surfaces including cabins, doors and welfare facilities.

Rigid Plastic

Durable and suitable for most construction site and workplace environments.

Recyclable Correx ® (4mm)

Correx is lightweight and ideal for temporary signage. Can be recycled via many kerbside programs.

Frequently Asked Questions

What are construction prohibition signs?

Construction prohibition signs identify activities that are not permitted on site to help reduce risks and improve safety.

What colour are prohibition signs?

Prohibition signs use a red circular border with a diagonal red line over a black symbol on a white background.

Where should construction prohibition signs be installed?

They should be positioned at entrances, restricted areas and locations where prohibited activities need to be clearly communicated.

What messages do construction prohibition signs display?

Common messages include no unauthorised entry, no smoking, no mobile phones, no pedestrian access and authorised personnel only.

Why are prohibition signs important on construction sites?

They help prevent unsafe behaviour, control access and reinforce site safety procedures for workers and visitors.

Can construction prohibition signs be used outdoors?

Yes. Rigid plastic, aluminium and correx signs are suitable for external construction site installations.

Can I order custom prohibition signs?

Yes. Rainbow Safety can manufacture bespoke prohibition signs with custom wording, symbols and site-specific instructions.

Are Rainbow Safety prohibition signs manufactured in the UK?

Yes. Rainbow Safety manufactures a wide range of construction prohibition signs in the UK for quality, consistency and fast dispatch.

Why Buy From Rainbow Safety?

  • Manufactured in the UK
  • Over 30 years of construction safety signage expertise
  • Fast dispatch on standard products
  • Trade discounts available
  • Custom prohibition signs manufactured to order
  • Large range of construction and workplace safety signs
  • Trusted by UK contractors, developers and local authorities
  • Expert support from an experienced safety signage team