Nice place, very clean and furniture is just like in the pictures. The heating system is very good, and the facilities are adequate. The location of the place is also good, with it being a two minute walk from the light rail and a 10 minute walk from the metro.
We had some trouble at the check-in; since we arrived in Vienna after 9, the host was not able to greet us, but was vague in telling us where the key was stored. This caused some problems, but can be solved in future through better communication and clarity.
Overall, a very satisfying stay.