Great apartment in a very nice area of Lisbon :-)
The location is central without being overrun by tourists. It is safe also in the evening. Just around the corner is the Tivoli Hotel, make sure you visit their rooftop bar at night to enjoy the fantastic view of Lisbon.
We were a family of four and the apartment was perfect for us. A well-equipped kitchen with everything you need to cook a nice meal the evenings you are not out enjoying Lisbon's restaurants. The shower and toilet are in separate rooms which is very convenient especially if you are a family with two teenagers ;-) It was very clean.
Filipe was a very good host, who answered our enquiries promptly and helpfully. We were also able to arrive early and leave late to fit with our flight schedule which was really nice.
Lisbon is a beautiful city with a lovely old world charm and with lots to do and see - just be very aware of the pickpockets especially in the area around the castle and in the trams.