The room is very tiny, and the ceiling very low. There are no windows, and it might get very hot in summer. There is another tiny room on top of the room, and two more to each side of it. Due to the thin walls, you can hear every sound.
Earplugs are provided, and Miguel is very respectful regarding noise in the adjacent kitchen.
The latter is very small and the only common place of the flat. It does not have natural light.
Miguel and his mother are very sweet and helpful.
In summary, be aware that the room as well as the whole apartment is very small and without natural light. You are compensated with good company through the family.