This place is a must if you travel to Porto.
Location is unbeatable, 5 mins to the Trindade Metro (the one that come from the airport), 7 min walt to the city hall and you are in the heart of Porto.
Accomodation is extra cozy, private, silence, plenty of illumination, well equiped kitchen and you need more, Mariana is a great host, excellent commnuncation and always willing to help.
If you see this available, don't let pass the opportunity. There is no elevator on the building.