Concerning the building methods, reinforced concrete structures or steel-framed structures have been used for building more and more condominiums (middle/high-rise or super high-rise buildings), and even for low-rise detached houses, use of reinforced concrete structures or prefabricated building methods has increased.
工法として、集合住宅（中高層・超高層）では鉄筋コンクリート造・鉄骨造のもの、低層の戸建住宅でも鉄筋コンクリート造やプレハブ工法等のものが多くなっている。