Sustainable retrofitting has emerged as a more environmentally friendly and cost-effective option than demolishing to rebuild. This research evaluates the factors that drive occupants to occupy sustainably retrofitted buildings in Nigeria. A case study research approach was adopted using a survey design. Data was collected using questionnaires administered to building occupants of the staff quarters within the Federal University of Technology, Akure (FUTA) campus in Ondo State, Nigeria. To achieve the set objective of the study, the data retrieved was analysed using descriptive and inferential statistics. The findings of the study indicate that residents are well aware of sustainable retrofitting and its benefits and will therefore occupy a building for its aesthetics and functionality. However, improved appeal, improved functionality and energy efficiency improvements were identified as the most influential factor driving their willingness to occupy sustainably retrofitted buildings. Cost perceptions, cost considerations, particularly the potential for increased rental income were also found to drive decision to occupy. The study concludes that the awareness, cost considerations, improved aesthetics are influential in shaping residents’ willingness to occupy sustainably retrofitted buildings. The findings provide valuable insights for construction and sustainability stakeholders, guiding efforts to enhance the adoption of sustainable retrofitting practices. The study recommends improving the awareness of the benefits of sustainable interventions within the construction industry.