Windows are one of the elements that most influence the entry of natural lighting into a building, reducing energy consumption, avoiding using artificial lighting throughout the day. Therefore, it is important to find an optimal design considering the environment of the building and the orientation of the windows. In this study, the lighting conditions of two levels of parking lots of the P.H. Deluxe Residence, taking measurements with the lux meter. The results indicate the impact that the materials used in the façade have on the light levels of the area.