noun
long-term quality housing; long-life quality housing
A Japanese government-certified designation for housing built to high durability, earthquake resistance, energy efficiency, and maintenance standards, intended for long-term, multigenerational use.
長期優良住宅の認定を受けるには、厳しい基準を満たす必要がある。
To receive certification as long-term quality housing, strict standards must be met.
このマンションは長期優良住宅として建てられました。
This apartment building was constructed as long-term quality housing.
A compound of 長期 (long-term), 優良 (excellent, superior), and 住宅 (housing). The term was established as part of Japan's Act on the Promotion of Long-Term Quality Housing (長期優良住宅の普及の促進に関する法律) enacted in 2008.