Hi-Vis Workwear for Construction Sites - What You Legally Need
30 Mar 2026
Hi-vis workwear is essential on construction sites — not just for safety, but also to meet legal requirements.
UK Safety Standards Explained
The key standard is:
EN ISO 20471
This ensures visibility in hazardous environments.
Hi-Vis Classes
- Class 1 → Low risk
- Class 2 → Medium risk
- Class 3 → High risk (construction sites)
Most construction workers require Class 2 or 3.
When Is Hi-Vis Required?
Hi-vis is mandatory when:
- Working near vehicles
- Operating on construction sites
- Working in low visibility conditions
Common Mistakes
- Wearing the wrong class
- Poor-quality garments
- Lack of maintenance
Final Thoughts
Proper hi-vis workwear protects your team and ensures compliance.
✅ Shop Hi-Vis Workwear
Browse certified hi-vis clothing at Workwear Nest.
