Floor plan, what do you say?

Hello dear community!

I am new here, so please forgive me if I haven’t included all the information right away. I can gladly provide it later. We are about to buy a plot of land (870m2) and are currently designing our "dream house."

I hope the information is sufficient, otherwise, as mentioned, I can provide more.

Bebauungsplan/Einschränkungen
Size of the plot 870 sqm
Slope no
Floor area ratio 0.4
Floor space index --
Building window, building line and boundary 20m starting from 5 m
Edge development --
Number of parking spaces 2
Number of floors --
Roof shape all
Style all
Orientation doesn’t matter
Maximum heights/limits Flat roof up to 8m
Other requirements: Cistern required

Anforderungen der Bauherren
Style, roof shape, building type: Flat roof, Bauhaus
Basement, floors: no, ground floor and upper floor
Number of persons, age: 2 adults, 2 children (toddlers)
Space requirement in ground floor, upper floor --
Office: family use or home office? With study room
Guest bedrooms per year --
Open or closed architecture: open
Conservative or modern construction --
Open kitchen, cooking island: Cooking island with dining area in the room
Number of dining seats >8
Fireplace Yes, great as room divider between kitchen and living room
Music/stereo wall
Balcony, roof terrace: Roof terrace
Garage

Hausentwurf
Who is the planner:
- me

What do you like especially? Why? Open design, skylights

What do you not like? Why? possibly small children’s bathroom

[*]Front view with entrance
[*]Garage integration to require as little space as possible!
[*]How close can this be set to the street?

Price estimate according to architect/planner: What do you say?
Personal price limit for the house, including equipment: 600,000
Preferred heating technology: geothermal

If you have to forgo, which details/extras
- smaller garage, skylights

Why is the design the way it is now? For example
We adapted a prefab house with our wishes.

What is the most important/fundamental question about the floor plan summarized in 130 characters?

[*]I am very satisfied with the plan so far. It is basically everything as we imagine it. However, I would like to hear opinions - maybe we have rose-colored glasses on.
[*]Maybe you have an idea regarding the entrance and the garage driveway.
[*]Before I take the next steps, I would like to know if this exceeds our price limit?

Orientation:
The kitchen is located southwest. Living room west

Best regards
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Hello, as Child 1 I would not be very happy. Do you need the balcony? Otherwise, I would move the master bedroom upstairs and give the children's room more depth. Entrance to the master area through the dressing room. On the ground floor, I find the right side a bit too cramped.

We do not necessarily need a balcony. Entrance to the parents' area is a good idea. Thank you very much for the first quick ideas!

if 1 square is to be 1m, then the kitchen/dining area is designed too narrow.

Passages should not be less than 1m; from the edge of the dining table to walls/kitchen island, 1m should also be planned each...

Kitchen:

"Floor plan, what do you say?" - of course: first a nice greeting from my German teacher, "please speak in complete sentences!"