Filipe turned out to be a great host, very helpful and having Simba around the little time we spent in the apartment was super nice, he's very clingy and definitely will try to sneak out in your bagpack if you let him. The apartment is on the top of one of the highest hills in Lisbon but you can use public transport (free if you get a Lisbon Card) to get very close to it with a bus. We definitely recommend it.