This is the perfect apartment to discover Lisbon. The neighbourhood is very cool with a lot of places for Breakfast/Brunch/Lunch/Dinner/Drinks ...
Not exactly in the center but relatively well connected by Tram (go to S. Bento past the Assembleia) or by metro (walk north to Rato).
The apartment had everything and was very clean and hospitable, and Isabel was a very nice and friendly host. We'd definitely return to the same apartment if we came back to Lisbon.