We were very disappointed with this apartment. The bathroom smelled horrendous. This made the rest of the apartment smell bad also, to the extent that we only spent time in the apartment to sleep and we had to leave all the windows open to be able to sleep with the smell.
The other huge thing that frustrated us about the apartment was that the front door goes straight into the first bedroom. This made the first bedroom like a corridor and people had to walk through it to leave or enter the apartment. This may not be such an issue for your group if everyone will be going to sleep and getting up at the same time.
There were a few other things that were frustrating. For example, the fridge was dirty, there were no wine glasses and there weren't enough blankets/bed covers. We needed this in particular as we had to sleep with the windows open because of the smell.
On a positive note the apartment is in a fantastic location and the street it is on was very quiet.