A study on a decent housing evaluation index for small houses-using on delphi survey method-

The number of houses is increasing in low-rise residential areas in Seoul. The purpose of the present study was to contribute to the improvement of housing welfare and the quality of these houses by developing a decent housing evaluation index for small houses based on the Seoul Metropolitan Government’s housing standards. The research method involved researching the literature then generating a survey tool related to housing, and a Delphi survey conducted in two rounds administered to architectural design expert is involved in housing. Ten documents including those on housing guidelines, standards, and design elements were selected in order to generate the survey tool, then a total of 180 items were extracted. These were categorized into facilities and structure standards including housing standards, spatial configuration, area, and measurements, and after combining similar items, and deleting and re-categorizing items, the survey tool contained 66 items. The expert Delphi survey was conducted on a non-contact basis via email over two rounds, and it was completed by 23 subjects. In the small houses evaluation index created based on the research results, exclusive spaces were divided into the front door, bedroom, living room, kitchen and dining room, bathroom, utility room, and balcony, and the index contained 40 items in total. Twenty-six areas were defined as communal spaces, including stairs, hallways, elevator halls, the lobby entrance, the 1^st floor pilotis, and outdoor spaces. The index specifies presented minimum regulations and standards for each type of exclusive space, using a measurement standard based on a centerline measurement prior to balcony expansion.