Lighting is one of the most important aspects of any building, no matter what its size or function. Lighting can provide visibility to users in dark rooms, corridors, and stairways, preventing people from stumbling or falling. Lighting can also set the mood for a space and help draw attention to certain elements within the room, such as artwork, displays, and signs. Indoor lighting is a combination of natural and artificial illumination. Depending on the purpose of the space, indoor lighting can include ceiling lights like skylights and recessed fixtures, wall-mounted lighting such as sconces and pendants, spotlights, and task and accent lighting. Natural light is important in reducing energy consumption and creating a calm atmosphere, while indoor lighting can come in the form of lamps, LED fixtures, and control systems. LED lighting is increasingly being used in a variety of applications, from low-light areas to complex control systems. LEDs are energy efficient due to their low voltage and require less maintenance than traditional lighting technologies. Lighting is an important factor in our lives. Good lighting can help create an enjoyable environment in any space, improve safety, and improve the overall aesthetics of the area. With the right combination of natural and artificial lighting, it is possible to make any space personalised and comfortable.