The place is very comfortable, with very good amenities, it's spacious and was also very clean. I needed to work some days I was there and the place was perfect for that (comfortable chair/desk at the bedroom, good internet connection). Paula was also very helpful with everything I needed.
The location is not close to the main tourist spots in Lisbon, but is well served by metro (station is one block from the apartment) which makes going anywhere very easy. It's also located in a good neighborhood.
I was very happy with my stay, would definitely recommend the place to everyone.