Stayed here for 5 days on a work trip.
The place is spacious, bright and clean. The host communicated all the details I needed promptly and was there in person for my check in.
The kitchen was well stocked and usable.
The closest ubahn (underground train) is 7-10 mins walk and goes straight into the city centre in about 20 minutes.
The garden looked nice - could be trimmed a bit - but I didn't get to use it.
I'd recommend it for a group!