We stayed in Louise's apartment for two nights. Louise was always very quick in her communications and although we never met her, she seemed very friendly in her mails. The self-check-in was made very easy and worked perfectly, thanks to the detailed information provided.
As for the apartment, it was perfect size for two guests. It was very clean, the bed was comfortable (although the couch bed was quite bad - even just to sit on), the kitchen had what you needed to prepare a meal, and the bathroom was functional.
The only negative was the level of noise. It's not that the neighbors were noisy, but the building itself is just very loud.