1.
rebuilding; reconstruction; tearing down and building anew
The act of demolishing an existing structure and constructing a new one in its place. Different from renovation (リフォーム), which preserves the basic structure.
家の建て替えを決めた。
We decided to rebuild the house.
マンションの建て替え工事が始まった。
The apartment building reconstruction work has begun.
老朽化した校舎の建て替えに数年かかる見込みだ。
The rebuilding of the deteriorated school building is expected to take several years.
The noun form of 建て替える (to rebuild). Refers specifically to demolishing and rebuilding from scratch, not mere repair or renovation.
COMMON COLLOCATIONS:
- 建て替え工事 — rebuilding construction
- 建て替え費用 — rebuilding costs
- 建て替え計画 — rebuilding plan
- 建て替えを検討する — to consider rebuilding
SIMILAR WORDS:
- リフォーム — renovation; remodeling (preserves the basic structure)
- 改築 — rebuilding; structural alteration (can be partial)
- 新築 — new construction; building from scratch on a new or cleared site
- 修繕 — repair; maintenance (fixes problems without replacing the whole structure)
NOTE ON HOMOPHONES:
立替え (also read たてかえ) means advancing money on someone's behalf — a completely different word. Context usually makes the distinction clear.