I went to a cafe that I really like yesterday, but they were in the middle of renovations, so they were closed.
I went to a favourite coffee shop of mine Saturday morning, but they were remodeling, so I'll have to go back when they're done.
この場合、次のように言うと良いでしょう。
ーI went to a cafe that I really like yesterday, but they were in the middle of renovations, so they were closed.
「昨日お気に入りのカフェの入ったら、改装中で閉まっていた」
a cafe that I really like で「私のお気に入りのカフェ」
in the middle of renovations で「改装中」
ーI went to a favourite coffee shop of mine Saturday morning, but they were remodeling, so I'll have to go back when they're done.
「土曜の朝にお気に入りのコーヒーショップに行ったら、改装中だったので（改装が）終わったらまた行かないと」
a favourite coffee shop of mine で「私のお気に入りのコーヒーショップ」
to be remodeling で「改装中」とも表現できます。
ご参考まで！
カナダ 
