Safety Symbols & Their Meanings – A UK Compliance Guide

Safety symbols are used to convey warnings, instructions, and important information quickly—often in critical situations. Recognised universally, these visual elements help employers create safer workplaces and ensure compliance with BS EN ISO 7010 and UK Health and Safety Regulations.

The 5 Main Types of Safety Signs & Symbols

1. Prohibition Signs

• Colour: Red border with a white background and black symbol
• Meaning: Something is forbidden
• Examples: No smoking, no entry, do not touch

2. Warning Signs

• Colour: Yellow triangle with black border and symbol
• Meaning: Indicates a hazard or danger
• Examples: Flammable materials, slippery floor, high voltage

3. Mandatory Signs

• Colour: Blue circle with white symbol
• Meaning: Action that must be taken
• Examples: Wear PPE, keep door closed, use hand sanitiser

4. Safe Condition Signs

• Colour: Green background with white symbol
• Meaning: Indicates safety equipment, exits, or procedures
• Examples: First aid station, fire exit, emergency assembly point

5. Fire Safety Signs

• Colour: Red background with white symbol
• Meaning: Location of fire safety equipment
• Examples: Fire extinguisher, fire alarm, fire hose

Why Standardised Symbols Matter

Using standard safety symbols ensures that everyone—regardless of language, background, or training—can understand crucial information quickly. It also helps your business meet UK safety signage laws and lowers risk.

Need Help Choosing the Right Symbols?

All signs we print use the correct BS EN ISO 7010 symbols and colours. If you’re unsure which signs are required for your premises or project, speak to our signage experts