I really enjoyed my stay at Joao's. It is exactly what it is advertised; several private rooms with a shared kitchen/living area. The place looks recently refurbished and it was sparkling clean! The common area works really well, especially if you follow the common-sense rules set by the hosts. The place is close to the airport, and well-connected by public transit to the city center. Cabs and Ubers are fairly inexpensive as well so there is no issue in terms of getting to the hilly and charming parts of Lisbon--Baixa, Barrio Alto, Alfama, etcetera. A suburban train runs nearby that takes you to beautiful Sintra. Neighborhood is residential and quiet; there are plenty of local places to grab a bite around the apartment, Joao left a binder with some useful suggestions. I would especially recommend this place to people going to the University of Lisbon's campus nearby, to the Portuguese National Library or the Torre do Tombo Archives. Overall, great value and a superb experience at this place.