noun
existing nonconforming building
Legal term for a building that was lawful when built but no longer meets current regulations due to later changes in law.
この建物は既存不適格建築物に該当するため、増築には制限があります。
Because this building is classified as an existing nonconforming building, there are restrictions on expansion.
Compound of 既存 (existing), 不適格 (nonconforming), and 建築物 (building). A technical term from Japanese building law.