This research focuses on children's satisfaction in Egyptian orphanages. It aims to evaluate the existing physical configuration and indoor environmental quality within a particular orphanage in Egypt to ascertain children's satisfaction with their built environment. A mixed methods approach was used .Quantitative method for conducting post-occupancy evaluation survey with children 12/18 years old as pilot study. While Qualitative method was employed through semi-structured interviews with two groups of children 6-11 years old and 15-16 years old. The results showed that children have a positive perception of their environment, high appreciation with available services and assessed their environment as a home where their basic needs were met. They also indicated dissatisfaction with the available physical disabled access. However, some of the children felt that their environment could be enhanced with some recreational needs, such as the existence of a gym and swimming pool. It was found that their requirements and desires for space were different. It is recommended that the design of future orphanages should consider the perceptions of children to provide them with effective facilities.