This flat is an amazing location. Prenzlauer Berg is hip, and it's very easy to get into central Berlin to do lots of sightseeing. There is a lovely deli across the road and a great mini supermarket nearby too. The restaurants nearby are amazing.
The flat itself is large and does match the pictures. It is above a restaurant which plays loud music until 2am which kept us awake. However with ear plugs it ended up being ok. Our kids slept through it. The flat itself was quite dusty, however this could be because it is an old flat. It is kitted out v sparingly.... no washing powder, dishwasher tablets etc. However we ate out or got takeaways most nights so it didn't bother us.
Joseph was more contactable when I had his phone number and when he realised he hadn't supplied a cot for our baby, he brought one straightway which was really kind. I recommend the flat because it is huge and in such a great location. It was perfect for our little family.