Research A study on Delay of Housing Construction. The purpose is to study the cause delays and study the impact and frequency of delays occurring. Residential construction in reinforced concrete 2 story building areas no more than 1000 square meters in Bangkok and vicinity. A studies various work activities in the category of structural categories such as electrical system architecture category category system, water supply and sanitation through a series of queries from 60 storage involved in the construction process and analyzed through SPSS