ᐅ Single-family house ~150 sqm for 5 people

Created on: 22 Jul 2019 09:29
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Sparfuchs77
Hello House Building Forum

I am new here, and we are currently planning our house with an architect. There are currently 4 of us, but we plan to have a 5th. Therefore, the house will include 3 children's bedrooms.

Here is the questionnaire:

Development Plan / Restrictions
Plot size: 1250 sqm (13455 sq ft) on 25m x 50m (82 ft x 164 ft)
Slope: no
Site coverage ratio: 0.4
Floor area ratio: not sure at the moment
Edge development: allowed but I want to avoid it
Number of parking spaces: double carport + 2 cars in front

Roof style: gable roof
Architectural style: classic single-family home
Orientation: see drawing

Owners’ Requirements
Open floor plan on the ground floor, 4 bedrooms on the upper floor, attic with enough space for storage and a hobby area

House Design
Who created the design:
- Architect

What do you like most? Why?
Ground floor: open kitchen and living room. Office accessible from the living room. Direct access to the terrace.
Upper floor: accommodate 3 children’s bedrooms, bedroom with walk-in closet area. The large dormer. The stairs to the attic, where the hobby room will be located.

What do you dislike? Why?
Basically only the staircase to the upper floor. I am a bit bothered by having to walk “around the corner” when coming up. I am looking for ideas to improve this. Or is this concern unfounded?

Cost estimate according to architect/planner:
Not determined yet.

Personal budget limit for the house, including fittings:
350,000 Euro

Preferred heating system:
Gas boiler, solar thermal, and underfloor heating

If you have to give up something, which details or extensions can you do without:
We have already eliminated everything we could possibly do without.

Why is the design the way it is? For example:
We went to the architect with our preferred design. He used our floor plan as a basis and created a floor plan that we like even better. Only the staircase layout is not yet 100% satisfactory for me.

What is the most important/basic question about the floor plan, summarized in 130 characters?
As mentioned, the staircase to the upper floor is my biggest concern. I hope to get some ideas on how to improve it and maybe some feedback on the rest.



Ground floor plan: kitchen/dining/living area, hallway, office, utility room, bathroom, fireplace in the living room.


Upper floor plan with master bedroom, three children’s rooms, bathroom, landing, and storage room.


South is “up” on the drawings



If more information is needed, I am happy to provide it.

Best regards
kaho67423 Jul 2019 06:33
What are the regulations in the development plan regarding eave height, roof slopes, number of storeys, etc.? If possible, I would recommend a knee wall height of 1.30m (4 ft 3 in). This is a comfortable size to place a bed under the slope without the space feeling too small. It would also be beneficial for the roof peak.
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Sparfuchs77
23 Jul 2019 07:56
kaho674 schrieb:

Something like this:

[ATTACH alt="efh-150qm-für-5-koepfe-336134-2.jpg"]36678[/ATTACH]

[ATTACH alt="efh-150qm-für-5-koepfe-336134-1.jpg"]36677[/ATTACH]

WOW, thank you very much. I will definitely bring up this idea for discussion tonight. Thank you so, so much.
kaho674 schrieb:

What are the requirements in the development plan regarding eaves height, roof slopes, number of floors, etc.? If you have the option, I would recommend a knee wall height of 1.30m (4 ft 3 in). That is a nice size to comfortably place a bed under the slope and to avoid feeling that the room is too small. It would also be an advantage for the roof peak.

The development plan only states that a maximum of 2 full storeys are allowed, as well as a gable or hip roof. Otherwise, we have no specific requirements. Isn’t a knee wall height of 1.30m (4 ft 3 in) already quite high? Wouldn’t the window sills then also be that high?
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ypg
23 Jul 2019 08:09
Sparfuchs_:P schrieb:

Is a knee wall of 1.30 meters (4 feet 3 inches) not already quite high? Then the windowsills are also that high, right?

It’s a good height to place a bed or a dresser under the sloped ceiling. It has nothing to do with the windows.
kaho67423 Jul 2019 08:15
Sparfuchs_ schrieb:

Is a knee wall height of 1.30 meters (4 ft 3 inches) not already quite tall? Then the window sills must also be that high, right?
Window sills? Under the sloping roof?
Maybe I haven’t fully understood the plan yet. What exactly is supposed to go on the south side in the upper floor in terms of windows? No double casement windows? A visual would be very helpful.

So far, my design looks somewhat like this:

3D rendering: gray house with dark pitched roof, skylights, and open entrance on green lawn.


3D render of a gray house with dark roof, many windows, and open door on grass.


I haven’t quite finished with the east side yet…
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Sparfuchs77
23 Jul 2019 08:20
ypg schrieb:

It’s a good height to place a bed under the sloped ceiling or a dresser. It has nothing to do with the windows.

Well, we have two large dormers with windows. That will raise it upwards if I increase the knee wall, right?
View is coming.
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Zaba12
23 Jul 2019 08:23
From my own experience, since we moved into a 140m² (pure living area excluding office and large hallways) + 70m² basement two weeks ago, you have too little usable space in the house for 5 people. We also have 4 bedrooms on the upper floor in case a third child arrives. The living area is also borderline. For 5 people, if you subtract the utility room and office, you are left with 130m² (1,400 sq ft). At the moment, I find the 140m² (1,500 sq ft) comfortable for 2 children on the ground and upper floors, but with a third child, it should not be less. If a third child is really going to come, I would recommend building a bit bigger.