This was a business trip for me.
I really enjoyed staying at the apartment of Carlos. It is exactly how it is described (clean, new, fancy) and the view on the city is amazing.
The apartment is perfect for a romantic trip for 1 couple. It can fit more people (up to 4), but it will be less comfortable.
Please note, that Lisbon is a very hilly place and the apartment is located on top of the hill. This implies a lot of walking up and down. The walk to the metro takes 10min of steep descent.
I found a nice supermarket about 7min from the apartment. It is quite big and has everything you need.
One thing which should probably be mentioned: the apartment is on the ground floor with the window of the bedroom facing the street. However, i did not find it to be a problem. During the night the street is very calm and there are almost no cars passing by. Also, the windows have enough light isolation, so it can get quite dark in the room.
Fatima is very nice - she met me after midnight and showed everything. She communicated via Watsap and was always eager to give helpful advice.
Overall, if i go to Lisbon on a romantic trip, i will definitely rent this apartment again.