Our stay was fine overall, but I'd like to provide a balanced review:
+ Convenient location with good transport links with shops, main attractions at walking distance;
+ Enough space for a big family plus a parking space;
+ Nice view and easy access (lift),
+ Good WiFi.
- I'd not suggest using the flat during winter months as the temperature inside is the same as outside, electric heaters help but you still wear all of your clothes. Maybe it's the same for all flats in Lisbon, I don't know.
- Although the building is modern the flat facilities are a bit outdated, toiletries are the cheapest, so overall it doesn't feel cozy inside.
- Location is convenient but same time there are beggars and other strangers around. We didn't have any issues though and felt completely safe.