Getting light into the building entity in a clever way is an important stride to designing energy efficient buildings. Learning how to use daylighting, in an efficient way while having control will reduce energy demands in buildings and also and facilitate a good visual comfort for users especially in a developing country like Nigeria where most trade fare take place using artificial lighting which increases operational cost. Most Expo/Exhibition tend to use artificial lighting because proper daylighting design has not integrated into the building. This study identify different daylighting...