建たて増まし

noun, noun or participle which takes 'suru', transitive verb

building addition; extension; annex

Refers to the act of adding a new section to an existing building, or the added part itself. Commonly used in housing and construction contexts.

• 家いえが手て狭ぜまになったので、建たて増ましをすることにした。

  The house became cramped, so we decided to build an extension.

• この建たて物ものは何なん度ども建たて増ましされて、複ふく雑ざつな構こう造ぞうになっている。

  This building has been extended many times, resulting in a complex structure.