My wife and I spent a week in early Jan.
Let me preface my review by explaining that Condesa Haus is a boutique B & B. This is unlike all our other airbnb experiences where the apartment was privately owned. As a result,there is housekeeping, reception staff and breakfast. By far the best part of our stay was the reception staff. Friendly, helpful, informative. In a casual way they are the ones that really made the stay a pleasant one. Our room, which was on the second floor and faced the back, was really basic. Small, creaky floors, dim lights, lumpy foam pillows, very little closet/storage. BUT.....clean, great WIFI and TV, decent washroom and shower, little or no street noise.
I would say equivalent to a 3 star hotel. The location in Condesa could not be better. Steps to Starbucks, cafes and restaurants. The metrobus on Insurgentes is a 10 min walk. There are two Metro stops about a 10 min walk. Roma is a pleasant 20 min walk. Polanca and the museums were a bit far for us to walk, but are certainly possible. The taxis were always able to get us back to Condesa Haus without a problem as the location seems to be well known. We read about all the problems with taxis, but never had a bad experience except that metered rides from the same locations would vary quite a lot. We could be in a taxi for 20-30 minutes and get charged 150 pesos and be in one for 5 min and get charged 115 pesos. Other than that, we always felt safe and for the most part taxi drivers were friendly.
To sum up. Fernando was easy to communicate with and because there was a reception desk, the hotel could be called at any time. The staff was really great and helped us throughout the week. They seemed genuinely happy to help us. The hotel itself, an old building that has been cleaned up and painted, was never an issue. Maybe the bed mattress, pillows and sheets could use an upgrade in future, but although not the best quality, all was clean and tidy. Location, fantastic.
Condesa Haus was not our first choice and I think Fernando has better properties as well, but because of the holiday season a lot of places were booked out. So I was not expecting a lot and in the end we had a very very pleasant stay. Although we might look elsewhere when we return to Mexico City, I would certainly not hesitate to return to Condesa Haus.