Land development with access from the south

We recently acquired a 500 m² plot and would now like to hear your assessments regarding the optimal planning. The plot measures approximately 20 m in width and 25 m in length. In the attached image, the graphic part of the development plan is oriented exactly to the north. I marked our plot in red.
The surroundings of the plot are as follows:

East: It borders a multi-family house.
West: Here are a public path, an infiltration basin, and adjacent farmland.
North: A field path runs directly by the plot, behind which are the neighbors' gardens.
South: There is the access road in a very quiet, purely residential area.

Against this background, we ask ourselves: Which house shape and placement on the plot would make the most sense?

If anyone has suitable floor plans or designs for similar projects, we would be very happy to receive your submissions and ideas.

Development plan/restrictions
Size of the plot 500m²
Slope no, all flat
Site occupancy index 0.4
Floor area ratio no specification in the development plan (BaWü)
Building window, building line and border no specifications (BaWü); blue dashed line in the image
Edge development garage
Number of parking spaces 2 per residential unit
Number of stories 2 full stories possible
Roof type gable, hip, tent, and staggered shed roof possible; 5-45 degrees possible
Orientation access in the south
Maximum heights/limits Wall height: max. 6.75m; ridge height max. 10.75

Requirements of the builders
Style, roof shape, building type single-family house, roof shape secondary
Basement, stories no basement desired, 1.5 or 2 stories desired
Number of people, age 2 adults, early 30s, max. 2 children desired
Space requirements on ground floor and upper floor approx. 150 sqm
Office: family use or home office? home office
Overnight guests per year 0
Open or closed architecture open
Conservative or modern construction modern
Open kitchen, cooking island open kitchen with cooking island
Number of dining seats 6
Fireplace no
Music/stereo wall no
Balcony, roof terrace no
Garage, carport garage if it fits the budget, otherwise carport
Utility garden, greenhouse no
Additional wishes/special features/daily routine, also reasons why this or that should or should not be

[*]on the ground floor: open living-dining area, technical room with utility room, additional room as office/bedroom for old age, guest WC with shower. The shower can also be in the technical room.
[*]on the upper floor: master bedroom, 2 children's rooms, bathroom with shower + bathtub, additional office

House design
Personal price limit for the house, including equipment: We have no fixed limit. We want a simple, straightforward house.
Preferred heating technology: air-to-water heat pump

If you have to forgo, which details/extensions
-can you forgo: walk-in closet, pantry, garage, second office
-can you not forgo: we are open to many things :-)

The building window allows for a lot. Personally, I would plan the house for you so that you have your garden in the northwest. There you have a huge distance to the neighbors, a cool spot in summer, and in the early afternoon, you still get the sun through the floor area.

First, make clear to yourself how you want to position the house. It doesn’t make sense to talk about the layout beforehand.

Which house shape and placement on the plot would make the most sense?

Honestly? Whoever has all the possibilities finds it hard to choose?! Consider your daily routine, now and later with children. What do you do in the evenings, what during the day? Do you like sun? I always tend to a gable roof house because of the reserve under the roof, in case no basement is built. Your maximum height allows quite a bit. Garage on the right side, driveway probably also from SE, living area facing south and west with lots of glass, then the terrace on the west side for the reasons mentioned by . Gable facing east-west for photovoltaics, other options also work, you have to try that out. Cut out templates for house, terraces and parking spaces and experiment. Photograph the individual options and work out pros and cons. There is no right or wrong, but many building feelings with logic. That depends on you.