noun
empty residence; vacant house
Refers to an unoccupied house or mansion, often implying a large, possibly old, residential property that is currently vacant.
この町には空き屋敷が増えている。
The number of vacant houses is increasing in this town.
空き屋敷の管理が問題になっている。
The management of empty residences has become an issue.
noun
Used for a plot of land where a house once stood or where building is possible, but currently empty. Less common than sense 1.
空き屋敷だった場所に新しいマンションが建った。
A new apartment building was built on what was once an empty lot.
Compound of 空き (aki, 'empty') + 屋敷 (yashiki, 'residence, mansion'). The kanji 空 means 'empty' and 屋敷 refers to a large house or estate.