This was a really cozy place, good for long term stay. It was also very clean, and I appreciated that the apartment kitchen came stocked with a few staple groceries. I was here for a month and I had to work frequently from my laptop - the space is good for remote work, and the wifi was fast and reliable. Also, if you are in the tech industry, Madrid's Google Campus is literally a 2 minute walk from the apartment. Grocery is also on the same street of the apt, and you can catch a bus close by to bring you close to the city center. I didn't have a chance to meet Carmen in person, but she was very quick to communicate, and she had a lovely person greet me to do the check in and get settled. Overall a good stay and value.