We stayed in the flat for a week with our son and his cousins. It is spacious and typical of an old apartment in DF. It has 3 double bedrooms, is quiet, clean and well equipped. There was always plenty of hot water available which is not always the case in DF so that was a joy. The flat has Netflix etc which was great but be careful about inadvertently ordering movies through the remote control as happened to us.
It is in a great location, minutes away from the two parks in La Condesa so was great for the kids. There are also many cafes, restaurants and bars within a few minutes walk.
Katri was a great hostess throughout and I would definitely recommend a stay here.