Illumination Levels

Extract from CIBSE: SLL Lighting Handbook 2018

Space Recommended maintained illuminance (lux)
General 100 lux on floor with uniformity 0.4
Basins and surrounding surface 200 lux
Toilet cubicles 100 lux horizontal at 0.6 m
Toilet cubicles for disabled users 200 lux horizontal at 0.8 m
Baby changing facilities 200 lux