Thank you Luna and João! We very much enjoyed our time in Porto. However, I have mixed feelings about this Airbnb for two main reasons:
1. The bathroom is very small. I understand that it's limited in size due to the historic building, but there is very little space (for example, I frequently bumped against the toilet while washing my hands or exiting the shower). It was clean and totally functional, but was difficult to use. I'm 5'9" (175cm) tall, so I can't imagine how difficult it would be if you were above-average height!
2. The door situation between the bedroom area and the living/bathroom area (as mentioned in other reviews). It's not possible to close the door to the bedroom area without it locking, and the living/bathroom area is across the hall and also requires a key to open/close the door. As a result, we typically left the doors ajar, which was not ideal since there were other Airbnb guests on the floor above us who would come and go past the unlocked rooms. (The fact that there is only one set of keys made this more problematic still.)
There were a few other hiccups (running out of toilet paper and not having an extra roll in the apartment's storage areas as noted in the brochure given to us at checkin) but overall Luna tried to make things work.
We were grateful for the convenient location (very central!), the comfortable seating and bedding, and the reasonable pricing. Additionally, Luna went out of her way to be helpful to us: she was kind enough to greet us in person, and also helped us store luggage for a few hours before our flight. We were able to enjoy ourselves given the circumstances, but I think if we had known more about the drawbacks to this apartment, we might have chosen to stay elsewhere.