A really tidy apartment in a new/renovated building. Everything in this building was totally clean, I was properly impressed -- even the hallway, the stairs, and the elevator!
The apartment itself is big, well furnished and overall really nice to stay in.
You can reach the city center by foot from here, but be aware that you have to walk quite a bit uphill since it is located down by the river. I was visiting a conference that was held in the Porto Customs Museum and this apartment has to be the perfect option to do that -- I could even go back to the apartment during the coffee breaks if I needed it.