fixer-uppernoun [ C ]
uk/ˌfɪk.sərˈʌp.ər//ˌfɪk.sɚˈʌp.ɚ/mainly US informala house that is not in good condition, that someone buys with the intention of working on it, improving it, and increasing its value:
We could afford a large home here or a fixer-upper in San Francisco.