This research to study the cause delays of home construction by study the impact and frequency of delays occurring. Scope of research work to home constructions reinforced concrete 2 story. And total areas no more than 1000 square meters locate in Bangkok and vicinity. This research study to activities in various categories work of structural, architecture electrical system, water supply and sanitation, by questionnaire data 60 sets from those involved in the construction process and analyzed through SPSS.