Found it and gathered a bit more info :)
Development plan/restrictions
Size of the plot - 250 sqm
Slope
Site occupancy index
Floor space index - 0.4
Building window, building line and boundary - picture attached
Edge development - No
Number of parking spaces - 2
Number of floors - 2 full floors + roof
Roof type - gable roof (38-45°)
Orientation - Garden facing west
Maximum heights/limits - 1st full floor 3.80 m
- each additional 3.00 m
Clients' requirements
Style, roof type, building type
Basement, floors - desired
Number of persons, age - 2 adults + 2 children
Space requirements on ground floor, upper floor -
Office: family use or home office? - No
Overnight guests per year - 10
Open or closed architecture - rather open
Conservative or modern construction - rather modern
Open kitchen, kitchen island - Yes
Number of dining seats - 4-6
Fireplace - no
Music/stereo wall - Yes
Balcony, roof terrace - not mandatory
Garage, carport - rather no
Utility garden, greenhouse - Yes, turf lawn for the children
Further wishes/special features/daily routine -
So far we are looking at prefabricated houses from Hanse, Schwörerhaus and Baufritz.