Abstract
We compare remodeling with replacement for housing improvement. The author considers that it is necessary to choose remodeling as the long span of detached house when comparing. This paper aims to clarify the characteristics of the remodeling from comparing with statistical data of replacement and remodeling, and from analyzing the way of change the part of its frames by remodeling, regarding detached house. As a result, these remodeling cases are chosen more large-scale in a cost and a total floor area than statistical data. Extension is done in parts with no structural influence. And the kind of the space influences strongly the remodeling way.
