The room is very small, but clean.
Not for light sleepers! The walls are too thin and you can hear too much from the other guests who have all sorts of schedules from morning to late night. I had troubles with my sleep every night, as a light sleeper. This was a minus of my stay.
The host is welcoming and will provide lots of information for your stay. You have access to kitchen and fridge.
The neighbourhood is ok, 30min or so walking from the center.
A good value for money stay in Lisbon.