The best thing about the flat is its location. it is minutes away from many popular restaurants and a short walk from the waterfront. It is exactly where you want to be in Porto.
The apartment was tasteful, clean, and very spacious. It had everything we needed for our stay. Check in was easy and the hosts were responsive.
Caveat: there are 94 stairs to get to the top flat. They have an elevator for your luggage but they ask that people to use the stairs. This is exhausting and difficult if you are out of shape or experience any injury during your Porto explorations. Also BRING EARPLUGS. Apartments in Portugal are not very sound proof, and you can hear birds as if they were right next to you. Plus there is construction noise 24/7 (they did not stop at night) from the metro being built. Neither of these noises bothered us but a light sleeper will find it difficult without earplugs.