Very nice and cosy appartment. The appartement was clean at arrival and bath towels were provided. The church next door didn't bother me since it only rang between 8h and 22h. If you want to sleep late with the windows open, then this might be an issue. Joao is easy to contact via the app and check-in was very straightforward. There's a small shop right next to the apartments which is very practical.
Since the appartment is a bit out of the city centre, it's a 15 min walk to Sao Bento Station and a bit longer to more northern parts of the city or to the other side (Gaia). However, thanks to the location there's a minimum of nighttime noise (if you don't count the seagulls at 5 in the morning).