Challenge at a 1/4 circle house ;)

Hello everyone,

Attention "repost" after optimization. Reloaded.

What has happened so far:

I am currently planning a house on a somewhat challenging plot geometry (of course, the question immediately arises, "why don't you buy a plot that you can work with better," answer: in our BW region X there are practically no affordable plots. Plot prices from the city at 480 €/m2.) The plot is located somewhat outside the city and was purchased comparatively very inexpensively.

Okay, so now I have the plot and "only" the house is missing on it

In advance, the building authority grants me no exemptions

A big challenge is the house geometry, since I would like to have the terrace in the South/West and also enough space inside the house.

In the first attempt, I planned several corners. House geometry as ground floor


After your contributions/ideas, I completely rounded this into a ¼ circle, which I also like better and can warm up to
Yes, the issue of walls, windows, and furniture is somewhat more complex, but it has a certain something


Currently, I have considered the following layout.

Here the sample key data:

Development plan/restrictions
Plot size: 434m2
Slope: no (or minimal)
Floor area ratio: 0.4
Building coverage ratio: 0.4
Building window: see above development plan (2.5m to neighbors)
Edge development: no
Number of parking spaces: garage + 2 parking spaces
Number of floors: 2 full floors (basement + ground floor + upper floor)
Roof shape: monopitch roof
Style: semi-detached house
Orientation: see above development plan, right side
Maximum heights/limits: FH 8.5, TH 5.5
Further specifications:

Requirements of the builders
Style: modern
Building type: semi-detached house 2 stories each approx. 120 m2
Basement, floors: 0, 1.5
Number of persons, age: 2 adults, currently no children
Space requirement per floor: approx. 120 m²
Office: family use or home office?: office in living room or children's room
Overnight guests per year: 15 next
Open or closed architecture: partly
Conservative or modern construction: modern
Open kitchen, cooking island: open kitchen with dining and living area with access to the terrace
Fireplace: optional
Music/stereo wall: TV on the wall
Balcony, roof terrace: no
Garage, carport: garage yes
Utility garden, greenhouse: no
Further wishes/special features/daily routine, gladly also reasons why this or that should or should not be

House design
By whom is the planning: by me
I like having a larger terrace in the South/West directly from the living-dining area
Both bedrooms have their own bathroom
Bathrooms all in one line for the plumbing

Price estimate according to architect/planner:
Personal price limit for the house, incl. equipment: 550TE without furniture without plot
Preferred heating technology: gas burner

If you have to forgo, which details/extensions
- can you do without: not sure
- cannot do without:

Why is the design the way it is now? for example
As described above, I wanted a large kitchen, dining, and living area with direct exit to the main terrace.
For that, maximally placing the house to the north. 2 bedrooms each with a bathroom.

Here are my questions; or requests for help

What is the most important/fundamental question about the floor plan summarized in 130 characters?
1. Do you find the rounding better than the corners in the first design?
Before:

Today:


2. What do you think about my floor plan (new)?
Architect complains:
-- bathrooms without windows (no-go?)
-- small entrance area, stairs without landing are bad, stairs to basement are bad
-- bedroom 2 should be in the east (in case of a child)

3. How would you optimize the weaknesses from point 2?

4. What do you think of the initial design from my architect?


Thanks in advance and best regards

Size of the plot: 434m2
Slope: no (or minimal)
Site occupancy index: 0.4
Floor space index: 0.4

Building type: semi-detached house 2 floors each approx. 120 m2
Basement, floors: 0, 1.5

Should all that still fit?

Is all that supposed to fit?

Two-family house, that is 120m2 ground floor + 120 upstairs

Thank you

Floor area ratio 0.4*434m2=174m2. That is your maximum permissible floor area.

The sum of the areas of the full floors of a building results in the floor area. The area of the full floors is calculated based on the external dimensions of the building.

You have roughly 17x10 m as the volume in the last plan (minus rounding plus overhang at the top plan near the bedroom)...

That means with a full floor on the ground floor, your floor area ratio is already approximately fully utilized! Above the "bungalow" only a roof or a partial floor would be permissible, definitely no full floor anymore.

The architect surely knows the floor area ratio? How should it continue in the upper floor?

I see it the same way as Scout. Maybe will still chime in.

The question is also, why should it be these 2 residential units?

PS: in your first thread you wrote about a basement and here about BW as the construction site. And: "Price estimate according to architect/planner: €330,000 including outdoor facilities and kitchen"

Let's say €60,000 for outdoor facilities and additional construction costs as well as a cheap kitchen from Roller. That leaves €270,000 for your 120 m2 on the ground floor. That could be enough.

But for a basement and even another VG with another 120 m2 on the upper floor? Impossible!