160 sqm two-storey single-family house - second attempt

Hello everyone,

after our was rightly torn apart by a planner, we have now tried it ourselves and after many, many iterations have arrived at this variant. No architect has looked over it yet, so I think I have definitely made some basic mistakes. However, I hope that all this can still be corrected without tearing the entire plan apart.

Development plan/restrictions
Plot size 621sqm
Slope no
Floor area ratio 0.35
Building window, building line, and boundary see attachment
Edge development 3m
Number of parking spaces 2
Number of floors 2
Maximum heights/limits TH 6.5m / FH 10.5

Requirements of the builders
Style, roof shape, building type: Starting point was tent roof, "town villa". Now it will probably not be quite square, but 10.5x9.5. The roof is then a hip roof
Basement, floors: 2 full floors plus basement
Number of people, age: 3 (40, 34, 2, ?), maybe more to come
Room requirements on ground floor, upper floor:
Ground floor:
Dining/Living:
Living/Dining should be spacious and not a "corridor", meaning not all in one line. Preferably with a fireplace visible from both living and dining. The kitchen should not be open, so we plan a sliding door between dining and kitchen
Office: Home office 3 days/week, so I want to feel comfortable there
Kitchen: originally planned with pantry, which we removed because otherwise there were three doors in one room.
Oven/dishwasher should be built high, refrigerator in French format. We don't need a dining area or island.
Shower toilet (preferably still with potential washing machine space for old age), wardrobe
Upper floor: two children's rooms, dressing room, bedroom, bathroom
Guest sleepers per year: 2
Open or closed architecture: rather closed
Conservative or modern construction: feels modern
Number of dining seats: 4 daily, expandable to 8 should be possible, we do not usually have more guests
Fireplace: yes
Music/stereo wall: no
Balcony, roof terrace: no
Garage, carport: double garage or double carport. Garage is not worth the money for us.
Utility garden, greenhouse: no

House design
Who created the plan:
- Do-it-Yourself
What do you particularly like? Why?
Living/dining is spacious and not narrow, the fireplace should fit as a room divider without restricting walking paths etc.

What do you not like? Why?
Guest bathroom/office is still a bit "crammed", you notice that somehow space ran out here. The wardrobe in the entrance area is also not optimal.
Price estimate according to architect/planner:
We do not have one yet, we hope to get an offer for 430k-450k (KFW55, controlled residential ventilation, basement not developed, without garage/carport)
Preferred heating technology: Air-water heat pump

If you have to do without, which details/extensions
- can you do without: Garage (carport as alternative), washing machine in guest bathroom (currently only an extra narrow one fits, which can also go into the kitchen in old age if necessary), stair shape (straight is fine for us, but a spiral would work if necessary)
If necessary maybe 10-20cm less width in living/dining room
- cannot do without:
everything else

Why did the design turn out the way it is now?
Because we noticed that you yourself have the most time and motivation to create an individual floor plan.
If possible, I tried to consider tips: stairs not too small, walls on top of each other, water connections on top of each other, etc. That is why I generally used 18cm walls. Narrower walls always work, thicker is difficult.
I also tried to plan a laundry shaft (WS in the plan) and the fireplace course.
Upstairs we planned an air space so the entrance area gets more light. If we are allowed to push the garage further back or if it works with the building window, so that we can leave some distance between the garage and the house, a small window would of course come next to the door.

What is the most important/basic question about the floor plan summarized in 130 characters?
Where are points that cannot be implemented as is?
As a layman, you quickly notice which basics have to be observed, but you remain a layman at first.
Especially with the doors, I am unsure, because in many architect plans doors are built very close to the wall.
I look forward to feedback and hope I don't have too many major mistakes.

As a layman, you quickly notice which basics need to be considered, but you remain a layman for the time being.

That's true, even though you have already dutifully/studiously followed a handful of essentials. At least the doors of the living room and child 18.03 should be hinged the other way around – and the home office is accessed exactly where the wardrobe niche belonged. Lighting for the entrance should also be found somewhat more cleverly than by means of the unnecessary gallery. But for a start, not so bad.

Right, the living room door is hinged differently and looks nicer. For the children's room, I thought that the door would allow the 2.5m wardrobe to fit. But in the end, it swings just as much on the other side. Therefore, the door will also be reversed here. Tonight I will try a version where the bathroom is placed between the study and the living room.

The gallery upstairs ultimately displaces only unnecessary hallway. Here, at most, another access to the bedroom would be possible. The bedroom is deliberately as far away from the children's room as possible, and I prefer to go through the dressing room to the bedroom rather than the other way around.

- Direction of the doors changed
- Door to the study now by the basement stairs
- The biggest change was, however, a change of the dimensions to 9.25x10.75 to ease the space before and behind the stairs. The kitchen now seems a bit too long and I still don't really like the shower bathroom in this version

On the ground floor, as it is drawn, you have less than 50 cm between the bed and the wardrobe. That is rubbish. For a double bed with a wardrobe, the room should be at least 375x375 in size.

In the plan it's 63cm. That is very little, especially since it would be the version for old age. As soon as one of the two can climb stairs, a single bed is enough, which can then be placed against the wall rotated by 90°.