noun, noun which may take the genitive case particle 'no'
semi-detached house; duplex
A building divided into two separate dwelling units, each with its own entrance. Often contrasted with 一戸建て (detached house).
See also: 一戸建て (いっこだて)
駅の近くに新しい二戸建てが建った。
A new semi-detached house was built near the station.
二戸建て住宅は、一戸建てより価格が抑えられることが多い。
Semi-detached houses are often more affordable than detached houses.
一戸建て is a fully detached single-family house, while 二戸建て is a semi-detached or duplex house with two units sharing a common wall.
Compound of 二戸 (two households) + 建て (building, construction). The reading にこだて follows standard on'yomi for 二戸 and kun'yomi for 建て.