José and Teresa's place was super clean and the location is very very good! I noticed an earlier review saying that it the location of the apartment wasn't the safest for a woman travelling alone. I was travelling alone (as a girl), and I could see where that review was coming from, but I didn't find myself feeling unsafe at anytime (given I was usually back around 9pm). The only thing is that the room does get quite warm in the summer although there are 2 fans in the apartment. You can also hear the neighbors upstairs walking about.
Other than those two things, it's a great apartment if you're staying in Lisbon for a few days or even a week. It is quite small (NYC studio apartment sized), but that might not be an issue for everyone.
José was a great host and would recommend this apartment to my friends!