We enjoyed our stay in Heidi's apartment. Although small, it suited us down to the ground for our stay in Mexico City. It is bright and airy, very clean and situated at the back of the block, is very quiet. It is in a great location. There are lots of places to eat and close to the subway. We were a bit frustrated by the four locks on the door that we had to lock and unlock each time we entered or left the apartment, this definitely doesn't reflect the neighbourhood and the front entrance to the apartment block was always locked.