We stayed for 4 days with two kids. Enrique is a great host, excellent communication all the way, met us in the apartment and helped us a lot with everything we asked.
The apartment is in a very central location, short walk to the El Prado Museum, close to the Metro, grocery shop, eating out. It is on the 4th floor which was not a problem for us -- but not a good idea for people with health problems.
Apartment is not new, but everything was in a working order. Air conditioner, TV, good wifi, gas stove, washing machine, shower, kitchen utensils -- we found everything we needed for our temporary home away from home.
Overall we had a great stay -- thank you!