I stayed at Helene's flat with 5 other colleagues on a work trip for 2 nights. it was a very comfortable stay, bedrooms were large and there was plenty of living spaces, including a gorgeous terrace upstairs. The wifi couldn't keep up with all our devices, and the showers struggled a bit at certain times, but we just worked out a schedule around these and managed. Great central location, you can walk to almost anywhere, and check-in was very smooth.