Loved this place for an extended stay while working remote, with a few things to keep in mind before you come. But overall very comfortable and well-equipped.
Great communication with the host and easy check-in/out, as other reviews have pointed out there is a metro station on the red line, a 24-hr grocery store, as well as Starbucks all on the exact same block so can't beat the location's convenience (also 2 other grocery stores walking distance and not a far walk from Gran Via & the city center Sol if you don't mind a 20 min walk). The rooms are spacious and not too tight like places closer to the city center. Also plenty of closet space, hangers, an iron & extra blankets/linens were very helpful since we stayed for a few weeks. The area is very quiet so its not as loud as the areas near Gran Via/Sol at night, so no problems sleeping! Nice and quiet building.
The things that were more important for us working remote for 3 weeks was that there is an AC unit in every room for the very hot summer months, very secure and has an elevator, cookware was reasonable to be able to cook meals at home including cutting boards and lots of utensils that could be washed in the dishwasher. No ice tray so reminder to bring your own if you prefer to have ice in the warmer months. The electric kettle was perfect for making easy hot water 👍🏼
Something I wish I knew for an extended stay: there are TVs but you need to bring your own HDMI cable, no streaming, no airplay/screensharing b/c they're older TVs. Nothing too bad, just wish I had known that to bring one from home. So if you want to be able to stream anything bring your own HDMI cable, or Roku/Fire stick/Chrome adapter. But if you plan on being out most of the time anyways for a shorter stay that might not be as important.