The impacts of Thailand’s floods in 2011 were seen in the physical transformation of many educationalinstitutions, especially at Thammasat University, Rangsit Campus, Pathumthani Province. Reviving the physicalenvironment of campus to be ready for teaching and learning was important. This article presents the study ofneeds in physical environment of the university in four zones: the study area, the service and supporting area,the recreation area, and the residential area, focusing on mainly population which is undergraduate students.Questionnaire survey was from 570 undergraduate students during January and February 2012. The method ofneeds assessment was defined by the discrepancy model which aims to compare the students’ expectationsand realities. The data analysis used PNI modified (PNImod) to identify the needs and their prioritization. The studyhas suggested that students’ needs for physical environment were high in gardens, dormitories, libraries, andgroups of study buildings.