Kammala jumla mai zuwa: An yi babban gyare-gyare na gaba a cikin 1910<unk>1913 (a lokacin mulkin Jamus), lokacin da aka yi amfani da baƙar fata don ba wa ginin salon " arewacin Jamusanci ". An lalata asalin polychromy na ƙarshen Renaissance. An ƙara ƙarin bene kuma an mayar da awaki, waɗanda suka ɓace tun 1675, zuwa hasumiyar a shekara ta 1913. A watan Oktoba na shekarar 1943 Majami'ar gari ita ce wurin da Heinrich Himmler ya yi jawabin Posen. Bayan babban lalacewa a cikin
Yaƙin Poznań (1945), an sake sake ginin Gidan Gida a cikin 1945<unk>1954, lokacin da aka dawo da halayen Renaissance na ɗagawa (kuma an ƙara abubuwan da aka cire daga kundin tsarin mulkin Jamhuriyar Jama'ar Poland zuwa rubutun da aka nuna a bangon rufin gida). An mayar da gaggafa, wadda aka ɓoye a lokacin yaƙin, zuwa hasumiyar a shekara ta 1947. An sauya na'urar da ke tafiyar da awaki a shekara ta 1954, kuma a ƙarshen ƙarni. Gyara da aka yi a 1992<unk>2002 ya mayar da ginin zuwa ga bayan 1784.