Trend on the Absence of Private Open Space in Several Contiguous Housing in Sidoarjo

Limited proportion of open space compared to building area on house-lots in housing district is suspected a trend in Indonesian housing. Several contiguous housing in Sidoarjo Regency, Indonesia, comprises of low-to-medium and medium-to-high class housing was studied to learn on the trend. It concluded that 100% respondents were significantly proven to have insufficient private open space toward 0%. The study proved that respondents possess sufficient awareness but limited knowledge on the necessity of private open space.