Renovation with architect: Suggestions for house floor plan desired

We (24 years old, female & 29 years old, male) want to renovate an inherited house from his parents. We have already had some discussions with the architect and are now interested in your opinions. The exterior walls of the house will remain standing and will be partially supplemented. The attached illustrations show what will be new (red) and which walls will remain (black).

Now to the catalog:

Development plan/restrictions
Size of the plot approx. 850 sqm
Slope, filled terrain, therefore no additional floor allowed
Floor area ratio
Plot ratio
Building window, building line and boundary
Edge development
Number of parking spaces 1 visitor parking space, several parking spaces on the way to the garage
Number of floors 2
Roof shape gable roof
Style orientation
Orientation
Maximum heights/limitations
Further specifications

Requirements of the builders
Style orientation, roof shape, building type
Basement, floors
Number of persons, ages 2 adults, 2-3 children desired (not yet planned)
Space requirements on the ground floor, upper floor
Office: family use or home office? Family use
Overnight guests per year very few
Open or closed architecture open
Conservative or modern construction modern
Open kitchen, cooking island
Number of dining seats certainly 6
Fireplace no
Music/stereo wall
Balcony, roof terrace no
Garage, carport double garage, possibly also a carport

House design
Who is responsible for the planning:
- Architect
What do you particularly like? Why? Sleeping and living areas separated
What do you not like? Why? No guest bathroom on the ground floor
Price estimate according to architect/planner: €430,000
Personal price limit for the house, including equipment:
Preferred heating technology: air-to-water heat pump

The spiral staircase is already present in the house and must remain for cost reasons. However, the architect wants to renew it and highlight it through the large entrance area.

We are very excited now!

I only see EG and UG now. Is that correct?

I would enlarge the bedroom at the end and shorten the cul-de-sac corridor.
I would keep the small window in this corridor by the terrace but move it opposite the children's room door.
In the bathroom, you can place the toilet right at the front opposite a small sink and draw a partition wall into the proper bathroom. Here, swap the toilet and bathtub, draw a wall with a sliding door.

I only see EG and UG now. Is that correct?

I would enlarge the bedroom at the end and shorten the dead-end hallway.
I would leave the small window in this hallway at the terrace but move it opposite the door of the children's room.
You can place the toilet in the bathroom right at the front opposite a small sink and draw a partition wall into the proper bathroom. Here, swap the toilet and bathtub, draw a wall with a sliding door.

Thanks for the answer :)
We have already forwarded the thing with the bedroom as we wanted it that way. And the bathroom and kitchen are just simply drawn by the architect and have no plan yet.

Yes, we only have the ground floor and basement, but as can be seen in the section, the basement is not underground on two sides. Due to the raised terrain, no additional storey is allowed to be added on top.

Sorry, I don't like the thing at all. When I have to go to the toilet while watching TV, I can get across the yard faster than through the house. Then this long mouse corridor is, in my opinion, just a waste of space. It's also not really clear what the starting situation is. Maybe you could draw the current situation again, because if I remove everything in red, no house remains. Best with measurements, then we could play around a bit again. :)

Does the kitchen have to be in that corner at the back? How flexible are you?

The kitchen and living room should simply get enough light!

I only have approximate measurements because the architect has the plans of the old house and has only sent us such plans so far.

Here I have reduced the house to the old floor plan.

The current living room is on the wrong side to also have sun in the evening.
The previous owner had no children and lived in the house only with her husband. That is why there is only one bedroom and a small sewing room.

It should also be mentioned that we would like to have two garages.

The measurements are based on the floor plan with the long hallway (my boyfriend really likes this, we already have it in the current apartment).

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