My stay at this place was fine - everything is as it should be, the communication was very good.
Visitors should know, that this in any regard feels like a hostel - with shared bathroom, shower, kitchen facilities - and except for the fact the room number 1 is located quite far from either of these - I did not mind at all.
The room comes with my recommendation!
Fun fact, the place is the former embassy of the Austria-Hungarian Empire to Portugal, and if you ask nicely, the owner might give you a tour of the other floors of the building, which are entirely different from the airbnb-floor!