A limited supply of houses and a rapidly increasing population have caused house prices to skyrocket. The main objective of this study is to understand the consistency in purchasing residential properties among homebuyers in Seri Iskandar, Perak. The questionnaires distributed to a sample of 110 respondents in Bandar Seri Iskandar. The analysis methods are the Relative Importance Index and Descriptive Analysis. This study revealed that the most significant factors influencing home buyers’ purchase decisions of residential properties in Seri Iskandar is neighbourhood factors. Hence, this study is essential to improve the knowledge of the property developer for new development.Keywords: Home Ownership; Relative Importance Analysis; Purchase decision factor; Residential and property developerseISSN: 2398-4287 © 2019. The Authors. Published for AMER ABRA cE-Bs by e-International Publishing House, Ltd., UK. This is an open access article under the CC BYNC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Peer–review under responsibility of AMER (Association of Malaysian Environment-Behaviour Researchers), ABRA (Association of Behavioural Researchers on Asians) and cE-Bs (Centre for Environment-Behaviour Studies), Faculty of Architecture, Planning & Surveying, Universiti Teknologi MARA, Malaysia.DOI: https://doi.org/10.21834/e-bpj.v4i11.1648