The location is super, I walk a lot and in max 40 mins you can be everywhere. In less than 10 mins there's a big train station connected also with the airport. Niko is super kind and also his wife, they don't speak English and I don't speak german so communication was very limited but we hadn't any problem so there was nothing to talk about. The house is small: one bathroom (only WC), another bathroom (no WC but shower, sink, etc), three rooms (one for Niko, two for the guests: one is for 4, one for 2). The place is perfect if you don't care a lot about sharing spaces, you got privacy only in your room so don't expect to stay all night long on the kitchen's table drinking stuff (you can, but you are probably going to bother everybody). For my personal needs it was enough, I just wanted to visit Vienna and I was at the house only to sleep. If you want a comfy cozy place where you can cook your own stuff, cigarettes and some drinks at night, i think you better choose something else.