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 17:17
ypg schrieb:

That's not going to happen anymore

I definitely see the model train set for the kids there. Your room will then be the one where the lawn mower is kept.
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Sparfuchs77
23 Jul 2019 21:24
Well, we'll just have to wait and see.
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Sparfuchs77
24 Jul 2019 00:08
My wife and I have been working on this for a long time today. Of course, my original floor plan was changed too radically and was simply no longer "her floor plan." So we went back to our old layout. I hope it is at least somewhat better now ^^

I’ve spent quite some time tweaking it and still hope I managed to include most things. Feel free to give some feedback I make no claim to technical accuracy. Please consider it an amateur effort. The exterior dimensions have remained the same: 9.75m x 10m (32ft x 33ft) without the extension.

Grundriss eines Apartments: Wohnzimmer, Essbereich, Küche, Schlafzimmer, Büro, Bad.


I mostly kept the old floor plan. I managed to move the stairs slightly upwards by adjusting them, which also allowed shifting the kitchen. The table no longer fits lengthwise, so the extension is a bit wider and the table is placed sideways. The table is 2.50m (8ft 2in) long. To solve the so-called “train station issue,” I made the kitchen a bit wider and narrowed the living room hallway to be able to fit a door leading to the kitchen. The utility room is 0.5 sqm (5.4 sq ft) smaller but no longer has the sloped ceiling from the stairs.

Grundriss einer Wohnung mit mehreren Zimmern, Bad, begehbarem Kleiderschrank und Flur.


A lot has changed on the upper floor. Moving the stairs allowed me to completely rearrange.

- The children’s room is now on the south side
- The master bedroom has a walk-in closet with closets on one side measuring 1.3m (4ft 3in) and on the other side 2m (6ft 6in)
- The bathroom has become narrower and had to be somewhat rebuilt. I’m not sure yet if I like it that way
- I would like to raise the extension similar to the picture, but not centered—offset instead

Gelbes zweistöckiges Haus mit grauem Dach, Terrasse und Auto im Garten.


- The walls for the children’s rooms are not final, I just tried to make them about the same size → that’s really the architect’s job
- I’m leaving out dormers because of the raised extension and the 1.30m (4ft 3in) knee wall
- Alternatively, you could skip adding a second story to the extension to save money; the higher knee wall should be enough to omit the dormers, right?

Grundriss eines mehrstöckigen Gebäudes mit grauen Stockwerken, braunem Block und Maßen.


- The stairs to the attic are not directly under the ridge beam but still next to the 2m (6ft 6in) line (the two inner walls mark the area where the ceiling height is 2m, assuming Sweethome’s data is correct)
- The outer walls mark the area where the ceiling height is 70cm (28in), as was discussed earlier in this thread

I’m aware that there are probably still a few mistakes. I assume I have the wrong values for ceiling thicknesses and that the attic is probably not as spacious as it looks.

Good night all
tomtom7924 Jul 2019 01:42
I haven’t read the last 13 pages, but you can throw this floor plan straight into the bin.
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Sparfuchs77
24 Jul 2019 06:14
tomtom79 schrieb:

I haven’t read the last 13 pages, but you can just throw that floor plan in the trash.

If you could also explain why it’s not usable, that would at least give me a starting point.

As I said, I’ve tried to salvage our initial floor plan as much as possible, mainly because my wife is very attached to it.

I’m aware that the layout of the rooms upstairs still has a lot of potential for improvement. But for creative input, we have an architect. My main goal was to find ideas and suggestions to address the previous points of criticism (most of which I also agreed with):

- Train station effect in the living room
- Staircase situation
- Dormers
- Raising the knee wall
- Closet arrangement in the master bedroom
tomtom7924 Jul 2019 06:32
The ground floor might still work, but you can’t walk around the table when someone is sitting there.
Please furnish the downstairs bathroom once.

Upstairs, these two sloped ceilings in the kid’s room add no real value.
The bathroom is too small, and the passageways are too narrow.

The bedroom bed is wider than it is long; if you include a headboard, there won't be enough space at the foot of the bed to walk around comfortably.

In the room above, the door opens against a wall.
If you have an architect, let them do the work and stay out of the way for now.