Abstract
The purpose of this study was to suggest optimum guidelines apartment rooms by conducing survey among residence whose apartment floor size is between $66-198m^2$ and whose apartment is less than 3 years old. The effective numbers of survey questionnaire turned in was 226 and the survey analysis has been made by using of SPSS WIN 12.0. The results and conclusion of the studies are as follows; (1) $66{\sim}98m^2$ : The recommended numbers of bedroom is 2 and 3. The size of maser bedroom needs to be decreased whereas the size of living room be increased. (2) $99-131m^2$: The recommended numbers of bedroom is 3 and 4. The size of maser bedroom and maser bathroom needs to be decreased whereas the size of living room, 2nd bedroom, kitchen and dining room needs to be increased. (3) $132-164m^2$: The recommended numbers of bedroom is 3 and 4. The size of maser bedroom and bathroom needs to be decreased whereas the size of dress room, kitchen and dining room, and 2nd bedroom needs to be increased. (4) $165-197m^2$: The recommended numbers of bedroom is 3 and 4. The size of maser bedroom and maser bathroom needs to be decreased and the size of dressroom and kitchen /dinning room needs to be increased. (5) $198m^2$ and above: the recommended numbers of bedroom is 3,4 and 5. The size of dressroom needs to be increased. It is revealed that the number of bedroom doesn't need to be increased as the size of apartment is increased. Larger space is required for the public space for the family and dressroom. And smaller space is required for the maser bedroom and master bathroom.