Didn't get off to the best start here, 2 hours before we were due to meet (we were flying at the time) we got a message saying we wouldn't be able to get in until later in the day. Fortunately Vienna airport has free WiFi and I happened to check the booking after we landed.
This minor blip aside I would absolutely recommend staying here, a truly unique apartment. However you need to climb or crawl to get to bed so this could be an issue for some. Even with the temperature outside below 0 the apartment was always a comfortable temperature.
Metro station/supermarkets/restaurants all close by and a 20 minute walk to the museum quarter.