This is smack in the middle of Porto city and you can walk to so many places. so if you are looking for a hassle free stay in the midst of everything, this is the place to be. It felt like a safe location and building despite lots of peddlers asking for money. lots of places to eat and see. The apartment is typical European style oldish apartment with some modern amenities like a towel warming stand, appliances etc. Didn't see a dishwasher in the unit but there is a washer dryer on site.
What comes with being in the middle of action is street noises so if you are a light sleeper, then you need to shut all 3 windows and still expect a little noise. There is no elevator but only 5-10 steps so if you have heavy luggage, that might pose a bit of a challenge.
No onsite parking and that proved to be a challenge because someone on the street read the parking sign for us (it was in local language) and told us it was safe to park until 9 am until we got a 200$ ticket and our car was almost towed at 8:50 am. I would advise to not have a car or be very careful about parking.
The owner was very helpful with information and helped accommodate a last minute booking.
For those with allergy issues, the unit does have a bit of a dusty musty smell from the big rug in the living room. Most folks would not be bothered but my family had a rough time coping with it but that's really personal. We would've enjoyed our stay more without the smell and the parking ticket (not that the latter was any fault of the owner!)