SmithJS
This is not a separate building.
This is split (roughly in the middle) between between 20 and 22 Robert Koch Strasse.  The outline for 20 and 22 are reasonably correct, but both should open into this space with a seperation line splitting this space roughly in half approx parallel to Widenmayer Straße.

20 and 22 Robert-Koch Straße were built in the same year, for the same family in 1908. The facades (at a minimum) are historically protected
