Educational November 12, 2025 6 min read

Office Lighting Standards: Lux Levels and Glare Control (UGR)

By Engineering Team
Office Lighting Standards: Lux Levels and Glare Control (UGR)

Proper office lighting isn't a luxury; it's a regulatory requirement and a critical driver of employee productivity. Poor lighting causes eye strain, headaches, and fatigue.

Standard Lux Levels

The European standard EN 12464-1 dictates the required illuminance (lux) for various tasks. More difficult visual tasks require higher lux levels.

Task / AreaRequired LuxRequired UGR
General Office Work / Desks500 lx< 19
Corridors / Circulation100 - 200 lx< 22
Technical Drawing / CAD750 lx< 16
Filing / Copy Rooms300 lx< 22

Understanding UGR (Unified Glare Rating)

UGR measures the psychological glare of a lighting installation. A high UGR means the lights are blinding or reflect harshly off computer screens. For offices, UGR must be 19 or lower. We achieve this using micro-prismatic diffusers or deep-recessed reflectors.

Upgrading your workspace? Discover our ergonomic [Office Lighting](/office-lighting) fixtures designed specifically for UGR<19 compliance.

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