I've never lived in a house, but I have always wanted to.
I've always dreamed about living in a house, but I haven't yet.
ーI've never lived in a house, but I have always wanted to.
「一軒家に住んだことがないので憧れる」
この場合の「憧れる」は have always wanted to を使って表現できます。
ーI've always dreamed about living in a house, but I haven't yet.
「一軒家に住むことに憧れるが、住んだことがない」
have always dreamed about を使っても「憧れる」を表現できますよ。
ご参考まで！
カナダ 
