We only spent one night in Rodrigo's apartment while traveling to Pamplona for the San Fermin Festival. The apartment was clean and as described in the bio/pictures. The apartment location was great for nightlife, local eateries, and transit stations.
We were met by Rodrigo's mother who checked us in with ease and was very friendly.
The only negative comments I can say are that the apartment was a bit difficult to find (even when asking locals), and if you are in Madrid during a heat wave (it was 93 degrees F at night) the apartment turns into a sauna due to the lack of AC.
Other than that, it was a pleasant and easy stay that I would recommend during cooler seasons.