I spent 3 months in Sofia's apartament. She was always paying attention to see if I was comfortable there or if I could need anything, not only for the apartment itself, but also for the daily living experience. Every week she organized a cleaning session with blankets change, towels, etc. She is easy and wonderful, probably within the top 3 hosters I have ever experienced. The apartment cannot be in a better location. Close to the train station and the Belém core stuff. It is even in a flat zone, which is not easy in Lisbon and surroundings (full of hills). Absolutlety recommended. You will not regret it.