former residence; old house
Refers to a house where someone used to live; often used when talking about moving, visiting a childhood home, or a property one no longer occupies.
He sold his former residence and moved to a new house.
During summer vacation, I visited my grandmother's old house.
Compound of 旧 (former, old) and 宅 (house, residence). The reading きゅうたく follows standard on'yomi.