印度尼西亞的泗水對於住宅房屋有高需求量，因而有許多不同類型的住宅。不同大小的土地面積、不同的建物密度、不同的建築樣式等造就許多住宅類型。本文探討泗水七種建築物規模中的十種住宅類型。研究目的在於確立印度尼西亞的泗水購屋者，在購買中上等級房地產時的考量因素。在本研究中提出了四項因素；分別是社會因素(家庭活動、來客拜訪頻率)，心理因素(心理需求、對於新環境的期望、建築物的更新需求)，人口因素(年齡層、學歷)以及個人喜好(建築物的面積、土地大小、建築樣式)。本研究以41位受訪者作隨機性問券調查，運用卡方檢驗分析數據，藉以驗證本研究的七種假設。經由統計結果發現，購屋者會因為考量家庭活動、家庭聚會等因素，而影響購屋者對於建築物面積需求的選擇。在選擇建築物群規模時，受到舒適度、安全性及自我實現等心理因素而受到影響。最後，建築物樣式的選擇，依據三種不同年齡層級的購屋者20-35歲、36-45歲、45歲以上者，而受到影響。在結論中，基於卡方檢驗結果p值為0.00287，影響購屋者的最大考慮原因為心理因素，即舒適度、安全性、自我實現等。

The high demand for residential housing encourages Citraland Residential Surabaya, Indonesia to provide many types of houses. The houses are of several sizes, on different size plots, in different densities and varying building styles. This paper studies ten types of house in seven sizes of cluster. The purpose of this study is to identify the factors homebuyers consider when selecting their houses in a middle-up estate in Surabaya, Indonesia. This study proposes a theory that social factors (family weekend activities, guest visit frequency), psychological factors (psychological needs, expectations from new environment, renovation needs), and demographic factors (age group, type of degree) may affect the physical characteristics(building sizes, plot sizes, cluster sizes and building styles)of the houses homebuyers choose to buy. A questionnaire survey was conducted on 41 respondents randomly chosen. The collected data was further analyzed by chi square test to verify the seven hypotheses proposed. The statistical results show that the building size of the houses homebuyers choose are influenced by family weekend activities such as eating/dining out, sightseeing and gathering at home. The cluster size of the houses homebuyers choose are influenced by psychological needs such as comfort, security and self-actualization. Finally, the building style of the houses homebuyers choose are influenced by age in three groups from 20-35 years old, 36-45 years old and more than 45 years old. In conclusion, based on the lowest chi square test result p value 0.00287, the most important consideration is psychological factors, which is psychology needs namely comfort, security and self-actualization.