Floor plan of a townhouse 150 sqm with gable roof 6 rooms

Child 2 and living are very elongated.

From which floor height or clear room height are you starting?

And what step dimension did the staircase you transferred have?

Floor height is unchanged according to the cross-section I once shared. RBM 2.70 m and clear room height then approx. 2.50 m. The staircase used has 6+1+6 steps and 1.93x2.70 m.

What are the optimal dimensions for a landing staircase with this room height?

I don't think all the original dimensions are correct.

Beds, for example, if the mattress is 100x200, then you should plan 10 cm more for the drawing, better at least 110x210 or 220, due to the bed frame and some distance to the wall. Then, for example, the parents' bedroom is also relativized, because the 304 cm shown on the left is misleading, it is only 271 cm (see bathroom) room depth, so there will be a somewhat narrow passage at the foot of the bed. Possibly a TV is also supposed to be on the wall.

As I said, the dimensions come from the planning software I used. Therefore, they should be roughly correct. The bed upstairs, for example, is 180x206.5 cm.

Generally, spatially, the guest area and utility room/WC etc. should be mirrored so that the utility room etc. are more towards the north at the driveway.

The house is now, in this design, basically rotated by 90 degrees so that the utility room and WC face the street and the entrance faces north.

We will try again to think about the elongated rooms.

From your point of view, are there also things that fit well with the new design?

Living/dining room, kitchen, and children's room or all property?

The open space of course, 3.60 is too little for a kitchen with only one row. There is hardly any space to work, i.e., prepare food. The sense of space in length is not nice, put politely. Furnishable, but when the dining table is in use, you can't get past the cabinet.
Children's room of 2.41 is then including plaster 2.38. You can tolerate that for an office, but definitely not as a living space where a child does everything?!
I also consider the 2.71 RBM for the guest room, as it is supposed to be furnished, borderline. You can no longer get around the bed or extended sofa. 2.80 is my absolute limit; 3.10 would be the target, and then x 4.10.

I also find the second self-design terrible.
Hall character in the living room = extremely uncomfortable and difficult to furnish
Little workspace in the kitchen and hardly any storage space
A lot of space wasted on hallways - e.g. in front of the guest WC, in front of the stairs, and guest room
2 closets are impractical
Upstairs has a lot of hallway space
Child 2 is poorly laid out
Stairwell is dark

Why don’t you look at prefab house floor plans? Your requirements are really not unusual.

Ah, it would then be oriented like this, north at the top of the plan

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What I notice now is that it would be a totally dark stairway, since there is no light anywhere.

Regarding the stairs... the floor-to-floor height is decisive for the determination, not the clear room height, nor the height without the finished floor. So it would be 285 cm

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For the stairs, we have created some typical examples in the pinned thread:


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Definitely does not fit

The stair used has 6+1+6 steps and measures 1.93x2.70m.

The search engines spit out dozens of good drafts. I would rather think in this direction. You could move the kitchen forward and then set up a small guest room in the bottom left if you absolutely need something like that.

The used staircase has 6+1+6 steps and 1.93x2.70m.

13 steps are at least 2 too few. No idea what program you are using, but stairs should be modifiable to fit the house individually. I can't imagine that your program calculates it, no offense intended.