I spent 5 nights , travelling alone to this apartment in the Chamartin area of the city. I enjoyed the area as it was quieter than the city centre and, if you use the Cercanias train, you can be in the centre in 15 minutes from the apartment.
The apartment was small but had all the necessary features and represented good value for money. Check in was simple and the late check out time was appreciated.
The water pressure was a little erratic and the towels a little thin but these are minor issues.