A great place, located not far away from the center (you can walk, approx 15 min) or take the metro. But the walk is always worth it. There is a big supermarket around the corner and nice bakery across the street. The street is packed with small shops selling fruits and vegetables!
Apartment offers all what is necessary for a comfortable stay, during our week here we missed nothing. The balcony is great to have some early breakfasts there. Price/value is really great for Porto.