We really loved our stay at this lovely apartment. We spent our first family holiday here with our 1,5 year-old-daughter and it was definitely a success.
After parking in the street for the first night (not recommended: it was super expensive!) we managed to find a nearby underground parking garage with some help from Annett. The location of the flat is great and there are lots of nice bars/restaurants in the area (which also do take-away). There were plenty of toys and children's books, the kitchen had all the necessary utensils, and it was very clean. We also brought our bikes (a great way to move around in the city), which we could safely park in the courtyard.
We do have some tips for both the host and guests, however. There is no actual travel cot present in the way we envisioned it. It's either the mattress depicted in the photos or an inflatable baby nest. Neither were suitable/safe for our child, so we had to bring our own. We also don't generally sleep in the same room as our daughter, but putting her in the kitchen (which totally fit in terms of space) had one big disadvantage: the curtains were see-through, so we had a hard time getting her to actually go to sleep before dark.
In all, we had an amazing time and would totally recommend this place to friends with and without kids.