Bungalow or single-family house with approximately 110 m²

I can say that you are subject only to the Bavarian Construction Code and nothing else.

I'll quote Al Borland: "I don't believe that, Tim."

Your excerpt from the field map looks like a newly parceled larger plot in an area adjacent to an older residential development. I therefore expect either an infill development zoning plan or a §34 area. Is it a cleared industrial brownfield?

Which lines are you referring to when you say "overbuild"?

The supply lines that run from the street into your utility room