Everything was more or less as expected, although some small basic services were missing: toilet paper was a little scarce for 9 people, there were no glasses (there were breakfast cups) for everyone and the coffee machine was too small for large groups (it could barely hold 3 cups). We only received one copy of the keys and for a large group, we'd liked to have at least one more.
The flat was very clean, the location in the center was great and we didn't detect much outside noise at bedtime.