Lighting Power Density & Illuminance Standards

Comprehensive lighting guidelines for residential, commercial, industrial, and institutional spaces — optimized for LED efficiency and human-centric design in compliance with global standards.

LED & traditional LPD standards by space type – W/m² and illuminance (lux) tables for residential, commercial, and industrial buildings.

 

Lighting Design Standards

Residential Buildings

Room / Space Traditional LPD (W/m²)
Current → Target		 LED LPD (W/m²)
Current → Target		 Illuminance (lx)
Living Room 7 → 6 3 → 2 100
Bedroom — — 75
Dining Room — — 150
Kitchen — — 100
Bathroom — — 100

Office Buildings

Room / Space Traditional LPD (W/m²)
Current → Target		 LED LPD (W/m²)
Current → Target		 Illuminance (lx)
General Office 11 → 9 4.5 → 4 300
Premium Office / Design Studio 18 → 15 7.5 → 7 500
Meeting Room 11 → 9 4.5 → 4 300
Service Hall 13 → 11 5.5 → 5 300
Archive Room 8 → 7 3.5 → 3 200

Commercial Buildings

Room / Space Traditional LPD (W/m²)
Current → Target		 LED LPD (W/m²)
Current → Target		 Illuminance (lx)
General Store 12 → 10 5 → 4 300
Premium Store 19 → 16 8 → 7 500
General Supermarket 13 → 11 5.5 → 5 300
Premium Supermarket 20 → 17 8 → 7 500

Hospital & Education

Room / Space Traditional LPD (W/m²)
Current → Target		 LED LPD (W/m²)
Current → Target		 Illuminance (lx)
Operating Room 30 → 25 12 → 11 750
Laboratory (Fine) 18 → 15 7.5 → 7 500
Classroom / Reading Room 11 → 9 4.5 → 4 300
Pharmacy 20 → 17 8 → 7 500
Ward 6 → 5 2.5 → 2 100

Industrial Facilities

Room / Space Traditional LPD (W/m²)
Current → Target		 LED LPD (W/m²)
Current → Target		 Illuminance (lx)
Precision Machining (<0.1mm) 19 → 17 8 → 7 500
Electronics Assembly 20 → 18 8 → 7 500
Warehouse (Fine Parts) 8 → 7 3.5 → 3 200
Control Room 18 → 15 7.5 → 7 500
Boiler Room 6 → 5 2.5 → 2 100

Get Technical Support

Can’t find the specific document? Enter your email to get the full technical data package.






    Includes full tables for hospitality, sports venues, libraries, transportation hubs, and detailed notes on room index adjustments.