Location 4/5: The apartment is within 10 minutes walk of the Rialto bridge and a further 10 to Piazza San Marco. As we were traveling with a family we opted for a private taxi from the train station which dropped us off about 50 meters away, very easy. The only disadvantage to the location is that the immediate few blocks are relatively quiet but this was really nice for our family.
Condition 4/5: So this is where it gets a little subjective.. The apartment is immaculate and clearly well maintained. The bed was comfortable, the bathroom was clean and all the furniture in good condition. The challenge we had is that the A/C is only in the bedroom and very under powered for the weather we had. There is a rotating fan that can also help but the reality of an attic apartment (could feel it getting warmer as we walked upstairs) with tons of natural light (incl. a skylight) means you need more cooling power. I doubt the apartment was ever less than 75 degrees at the coolest part of the night. That said, I understand temperatures were potentially a few degrees C warmer than average when we were there in late June.
Communication 5/5: Giorgia was very responsive and met us personally when we got there. Check-in was a breeze and she proactively communicated with us before our arrival.
Overall, this apartment is in good condition and offers access to a beautiful city without the distractions of being in the absolute middle of the tourist mayhem. I would stay here again.