My wife was a little nervous about the slanted ceilings when we booked this apartment, but what the owners have done with the space is impressive! This place was so comfortable and bright with the sea breeze and sun coming in through all the windows. The views of the river and rooftops were hard to look away from; we ended up spending a lot of time in one little nook with a table and incredible breeze. We didn't really have any contact with Karen, but she/the owners left us some munchies and a bottle of wine, and Jose - who let us in and gave us a tour of the place - was very responsive. He even offered us a transfer to the airport the morning we left (we ended up taking an uber). This is a five-story walk-up so make sure you're traveling light - or doubling down on arms day. Also, the apartment is on a pedestrian alley off a street that our uber driver wasn't allowed to drive down. Alfama, the neighborhood of the apartment, felt less touristy than others we walked through but still very safe. It's also close to the metro and commuter rail, so it was easy to get to Sintra and other parts of Lisbon. Had a very comfortable stay!