Site Warning Signs - The Sign Shed

Site Warning Signs

Buy Site Warning Signs for construction sites from our huge range of warning & safety signs

Avoid hazardous materials often found on building sites. It is vital to warn workers and members of the general public about the risks. Using our Construction Site Warning Signs helps to make sure that those on site are aware of the dangers and are kept safe.

Employers have a legal duty to display safety warning signs by displaying our range of warning signs you are taking steps towards minimising the risks. Our collection of construction site warning signs are compliant with current health and safety regulations and covers a wide range  of hazards.

What is a Site Warning Sign?

One of the most commong safety signs found on a construction site is a warning sign, usually with a message such as 'warning construction site' or 'danger construction site keep out'. Warning signs feature a yellow triangle with a black border and a symbol with lettering also black in colour. 

Filter by
Size
Size
45 results
Material
Material
45 results
Product orientation
Product orientation
45 results
Sign Symbol
Sign Symbol
45 results
Sort by Title, A-Z
Sort by

45 products

Asbestos Being Removed Sign - The Sign Shed
Quick buy
From £6.37
Asbestos Do Not Disturb Sign - The Sign Shed
Quick buy
From £6.12
Caution Maintenance In Progress Sign - The Sign Shed
Quick buy
From £6.37
Caution Men At Work Sign - The Sign Shed
Quick buy
From £6.37
Caution Operatives At Work Sign - The Sign Shed
Quick buy
From £6.37
Caution Site Entrance Sign - The Sign Shed
Quick buy
From £6.37
Concealed Entrance Sign - The Sign Shed
Quick buy
From £6.37
Confined Space Multi Purpose Sign - The Sign Shed
Quick buy
From £6.12
Confined Space Permit To Work Sign - The Sign Shed
Quick buy
From £2.70
Construction Site Keep Out Safety Sign - The Sign Shed
Quick buy
From £6.37
Construction Site Keep Out Sign - The Sign Shed
Quick buy
From £2.18
Construction Traffic Sign - The Sign Shed
Quick buy
From £7.75
Contamination Risk Clean Before And After Use Sign - The Sign Shed
Quick buy
From £2.70
Contamination Risk Do Not Touch Sign - The Sign Shed
Quick buy
From £2.70
Danger Asbestos Keep Out Sign - The Sign Shed
Quick buy
From £6.12
Danger Asbestos Permit Sign - The Sign Shed
Quick buy
From £6.12
Danger Asbestos Zone Respirator Sign - The Sign Shed
Quick buy
From £6.12
Demolition In Progress Sign - The Sign Shed
Quick buy
From £6.37
Demolition Work Sign - The Sign Shed
Quick buy
From £6.37
Falling Hazard Close Trap Door Sign - The Sign Shed
Quick buy
From £6.37
Falling Objects Sign - The Sign Shed
Quick buy
From £2.70
Forklifts Operating Floor Sticker - The Sign Shed
Quick buy
From £6.67
Fragile Roof Sign - The Sign Shed
Quick buy
From £6.37
Hazardous Area Sign - The Sign Shed
Quick buy
From £6.12
Heavy Vehicles Turning Ahead Sign - The Sign Shed
Quick buy
From £6.37
Men At Work Sign - The Sign Shed
Quick buy
From £2.70
Men Working Overhead Sign - The Sign Shed
Quick buy
From £6.37
Multi Purpose Social Distance Sign - The Sign Shed
Quick buy
From £2.70
Multipack Concealed Entrance Sign 400 x 300mm 5 Pack - The Sign Shed
Quick buy
From £33.61
Multipack Construction Traffic Sign 400 x 300mm 5 Pack - The Sign Shed
Quick buy
From £33.61
Multipack Demolition No Entry Sign 400 x 300mm 5 Pack - The Sign Shed
Quick buy
From £33.61
Operatives Working Overhead Sign - The Sign Shed
Quick buy
From £6.37
Overhead Loads Sign - The Sign Shed
Quick buy
From £2.70
Pedestrian Area Speed Limit Sign - The Sign Shed
Quick buy
From £6.12
Refurbishment In Progress Sign - The Sign Shed
Quick buy
From £2.70
Scaffolding Incomplete Sign - The Sign Shed
Quick buy
From £6.37
Stop Spread Of Infection Wash Hands Regularly Sign - The Sign Shed
Quick buy
From £2.70
Sudden Drop Sign - The Sign Shed
Quick buy
From £2.70
This Product Contains Asbestos Sign - The Sign Shed
Quick buy
From £2.70
Trip Hazard Sign Landscape - The Sign Shed
Quick buy
From £2.70
Use Hand Sanitiser Stop Spread Of Infection Sign - The Sign Shed
Quick buy
From £2.70
Vehicles Reversing Sign - The Sign Shed
Quick buy
From £6.37
Warning Beware Of Moving Vehicles Sign - The Sign Shed
Quick buy
From £6.37
Warning Site Traffic Sign - The Sign Shed
Quick buy
From £6.37
Works In Progress Sign - The Sign Shed
Quick buy
From £6.37

Have Questions?
We Have Answers.

Get quick solutions to your common construction site safety

Why are warning signs essential on a construction site?

Construction sites are hazardous environments with risks such as heavy machinery, falling objects, and dangerous materials. Warning signs help to alert workers, visitors, and the public to potential dangers, ensuring compliance with health and safety regulations and reducing the likelihood of accidents.

Where should construction site warning signs be displayed?

Warning signs should be prominently placed at all site entrances, near hazardous areas, and along pedestrian walkways. Key locations include:

  • Site entrances – Display signs indicating restricted access, PPE requirements, and site rules.
  • High-risk zones – Areas with moving machinery, excavation work, overhead loads, or hazardous substances should have clear warnings.
  • Pedestrian and vehicle routes – Signs should guide safe movement, preventing collisions and falls.
  • Temporary works – Any unstable structures, scaffolding, or excavation sites should be clearly marked.

How do construction site warning signs help prevent accidents?

Warning signs serve as a visual cue for workers and visitors, reminding them of potential risks and necessary precautions. By ensuring that everyone is aware of dangers, they help to:

  • Reduce workplace injuries from slips, trips, and falls.
  • Prevent accidents involving heavy machinery and moving vehicles.
  • Minimise exposure to hazardous substances such as asbestos or chemicals.
  • Improve overall site safety and compliance with legal requirements.

What are the legal requirements for construction site signage in the UK?

Under the Health and Safety at Work etc. Act 1974 and the Construction (Design and Management) Regulations 2015, employers and site managers must ensure that health and safety risks are properly communicated. The Health and Safety (Safety Signs and Signals) Regulations 1996 specifically require appropriate signage where risks cannot be eliminated or controlled by other means.

Failure to comply with these regulations can result in fines and legal action from the Health and Safety Executive (HSE).

Welcome to Shopify Store

I act like: