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This study aims to present an evaluation model to calculate the environmental load and costs, and analyze the economic profits considering the amount of consumed energy and generated CO2 at each stage of building construction, use and disposal. This study focuses on the main materials of remicon, reinforced iron, cement brick, cement and glass which are largely used in apartment buildings. The results of the feasibility study on the evaluation model through computer simulation and the economic analysis considering the environmental load and costs are as follows.The evaluation model can be used not only for calculating the environmental load and costs but also for the comparative analysis of the environmental load and economic profits. Besides, it can be useful device to preview the environmental impacts of each construction stage, so it is possible to reduce the environmental load through the reasonable management at respective constructing activity at early design step.