We had a great time in Porto and the apartment is very well located and well equipped.
We walked to most of the sights in the city. We got an Uber to the beach (only €7) and to the modern art gallery.
There are lots of great restaurants near the apartment.
The road traffic can be a little noisy in the mornings (but it is a city!) and it is worth it for this good location. It has double glazing so they have made it as quiet as they can.
Thanks