My family of five stayed here for a month and really enjoyed it. It's located close enough to walk to restaurants, the park, and everything we needed, but was located on a less busy street. The house itself is laid out nicely with distinct spaces so you can have privacy when desired or spend time with everyone while still being comfortable. The house feels like it can be lived in -- it has a lot of little touches that make it feel like home. The upstairs parrilla makes for a perfect spot for grilling and hanging out next to the beautiful rooftop terrace.
Santiago was our point of contact and was incredibly communicative whenever we needed anything. We arrived late at night and he greeted us with groceries, quickly responded to any questions we had throughout the trip, and was able to set us up with an amazing nanny for our small child.
I would happily stay here again when I'm back in Buenos Aires.