ᐅ Floor Plan Design / Single-Family House with Flat Roof and Double Garage
Created on: 13 Jul 2018 16:19
K
Kabelmodem87
Hello,
after completing the purchase of the plot, we plan to start construction in spring 2019. At the moment, we only have a preliminary floor plan draft. The floor plan design should be finalized within the next few weeks so that we can submit the building permit / planning permission application in September.
Attached are exterior views, the site plan (our plot marked with a red X), drafts of the ground floor and upper floor, and a view of the terrace from the living/dining area.
With the plot width of 20.7m (68 feet), and the minimum setback of 3m (10 feet) from the neighbor, we are limited to a maximum outer dimension of 14.7m (48 feet) including a double garage. It might be possible to build over the double garage on the upper floor, but that would result in additional costs.
We want to keep the living space under 150 sqm (1,615 sq ft) due to construction costs.
Current changes we want to discuss with the architect at the next meeting:
Ground Floor (GF):
- Kitchen/dining area 30-40cm (12-16 inches) wider (shift everything upwards, reduce staircase, hallway, and built-over corner)
- Living area slightly wider and longer (reduce utility room size slightly / possibly reduce staircase width from 1m (39 inches) to 90cm (35 inches), maybe narrow the hallway a bit)
Upper Floor (UF):
- Overall room layout change (due to straight staircase and hallway in the middle of the house it’s quite tricky):
- Bedroom should remain in the northeast for sunlight exposure
- Bathroom needs to be larger but must remain in the southwest due to the kitchen location below (minimum 11-12 sqm (118-129 sq ft), so children’s rooms can be a bit smaller, around 10-11 sqm (108-118 sq ft), possibly a workspace can be as small as 8 sqm (86 sq ft))
Do you have any ideas for a better room layout upstairs?
The staircase could also start from the hallway instead of the dining area as shown here.
We actually like the solid straight staircase leading from the living-dining area, maybe one side wall of the stair could be shortened so that the staircase is open on one side at the beginning.
With the central ventilation system, are the typical downsides (warm air or cooking odors rising) somewhat compensated? Noise between the ground floor and upper floor should be limited since the staircase isn’t completely open to the living room, right?
We also plan to build a small room under the staircase in the hallway that is accessible from upstairs (near the utility room).
We hope we haven’t forgotten anything and that you can get a rough idea. Suggestions and critiques are welcome.
Thank you in advance for your effort and advice!
______________________________________________________________________________________
[B]Development Plan / Restrictions
Client Requirements
House Design
If you have to make compromises, on which details/extras
Why is the design like it is now?
Ground floor according to our long-standing ideas (open living area with large glass frontage to the terrace)
after completing the purchase of the plot, we plan to start construction in spring 2019. At the moment, we only have a preliminary floor plan draft. The floor plan design should be finalized within the next few weeks so that we can submit the building permit / planning permission application in September.
Attached are exterior views, the site plan (our plot marked with a red X), drafts of the ground floor and upper floor, and a view of the terrace from the living/dining area.
With the plot width of 20.7m (68 feet), and the minimum setback of 3m (10 feet) from the neighbor, we are limited to a maximum outer dimension of 14.7m (48 feet) including a double garage. It might be possible to build over the double garage on the upper floor, but that would result in additional costs.
We want to keep the living space under 150 sqm (1,615 sq ft) due to construction costs.
Current changes we want to discuss with the architect at the next meeting:
Ground Floor (GF):
- Kitchen/dining area 30-40cm (12-16 inches) wider (shift everything upwards, reduce staircase, hallway, and built-over corner)
- Living area slightly wider and longer (reduce utility room size slightly / possibly reduce staircase width from 1m (39 inches) to 90cm (35 inches), maybe narrow the hallway a bit)
Upper Floor (UF):
- Overall room layout change (due to straight staircase and hallway in the middle of the house it’s quite tricky):
- Bedroom should remain in the northeast for sunlight exposure
- Bathroom needs to be larger but must remain in the southwest due to the kitchen location below (minimum 11-12 sqm (118-129 sq ft), so children’s rooms can be a bit smaller, around 10-11 sqm (108-118 sq ft), possibly a workspace can be as small as 8 sqm (86 sq ft))
Do you have any ideas for a better room layout upstairs?
The staircase could also start from the hallway instead of the dining area as shown here.
We actually like the solid straight staircase leading from the living-dining area, maybe one side wall of the stair could be shortened so that the staircase is open on one side at the beginning.
With the central ventilation system, are the typical downsides (warm air or cooking odors rising) somewhat compensated? Noise between the ground floor and upper floor should be limited since the staircase isn’t completely open to the living room, right?
We also plan to build a small room under the staircase in the hallway that is accessible from upstairs (near the utility room).
We hope we haven’t forgotten anything and that you can get a rough idea. Suggestions and critiques are welcome.
Thank you in advance for your effort and advice!
______________________________________________________________________________________
[B]Development Plan / Restrictions
- Plot size: 1100 sqm (approx. 20.7m x 52m) (11,840 sq ft; approx. 68 feet x 171 feet)
- Slope: none
- Site coverage ratio: 0.4
- Floor area ratio: 0.3
- Building envelope / building line: none
- Number of parking spaces: 2 (+ 2 in front of garage)
- Number of floors: 2
- Roof type: flat roof
- Architectural style: no restrictions
- Orientation: no restrictions
- Maximum height / limits: 3m (10 feet) distance to neighbor
Client Requirements
- Style, roof type, building type: flat roof house with double garage
- Basement, floors: no basement, 2 floors
- Number of occupants: 3 (ages 31, 29, 1 year)
- Space requirement: financially limited to approx. 150 sqm (1,615 sq ft) excluding garage
- Office use: family use or home office? Workspace
- Overnight guests per year: rarely
- Open or closed architecture: open on the ground floor
- Conservative or modern style: modern
- Open kitchen, kitchen island: open kitchen with island
- Number of dining seats: minimum 6, option for a large table (big family)
- Staircase: solid, straight
- Fireplace: no
- Music/stereo wall: no
- Balcony, roof terrace: not necessary
- Garage: double garage with attached storage for garden equipment / bicycles, etc.
- Other: storage space needed as no basement, central ventilation system
House Design
- Designer: architect
- What do you particularly like? Why? Straight staircase / L-shaped living-dining area / ground floor partially covered by upper floor at the corner
- What do you dislike? Why? Upper floor bathroom too small / possibly swap with children’s room
- Cost estimate according to architect/planner: 450,000€ (house / furnishings / double garage / exterior work such as fence, driveway, gate) – realistic? Should not go much higher.
- Preferred heating system: natural gas is available, so natural gas including controlled ventilation system (central ventilation)
If you have to make compromises, on which details/extras
- Can compromise on: long driveway
- Cannot compromise on:
Why is the design like it is now?
Ground floor according to our long-standing ideas (open living area with large glass frontage to the terrace)
K
Kabelmodem8711 Jan 2019 16:48kaho674 schrieb:
You mean something like this?

I’m afraid the office will be really small. Wasn’t she a teacher and does she need it daily?Hello,
Thanks for your suggestions, yes, she is a teacher.
The sink will be removed and moved to the storage room next to the garage, which seems practical when coming in dirty from the garden.
The door from the garage turned out to be important to us, so we decided to give up a shelf for it.
We want to install a long shelf in the pantry under the stairs, on the wall facing the hallway.
Yes, the sofa area may look rather small, but the distance to the TV is sufficient for us.
Regarding the bathroom, it will probably feel a bit cramped and awkward, but we prefer not to have an open shower or a door/glass walls, so the T-shaped layout is quite practical.
We also want built-in niches in the shower and by the toilet for toilet paper.
That’s difficult without drywall construction.
We just don’t know whether to make the shower deeper and move the toilet closer to the bedroom, or if that will make it too tight.
The bedroom wall was originally planned as you drew it, but 1.5 m (5 feet) in front of the bed will still be enough space for a low dresser with the TV above.
Would you install a skylight dome in the hallway above?
I have some concerns about heat protection, cracking noises in the sun, rain noise, and watertightness, especially when the roof is replaced at some point.
Maybe it’s better to just install two motion-sensor spotlights for lighting on dark days; perhaps enough natural light will come in.
Would you have the doors to the utility room and guest WC open inward as well?
Good luck.
K
Kabelmodem8711 Jan 2019 17:43kaho674 schrieb:
Mmh, everything is very interesting. We’ve been figuring out how to make the kids’ rooms the same size or even bigger. But that doesn’t seem to matter at all... Ok. Sorry, we don’t think that’s a big deal. It’s not like one child is stuck in the broom closet while the other has 25m² (270 ft²). If you don’t want to reduce the bedroom and office sizes, it will probably be difficult without making the layout complicated...
Kabelmodem87 schrieb:
Yes, the sofa corner might seem relatively small, but the distance to the TV is sufficient for us.If you shortened the hallway (which somehow seems unnecessary, the stub), it would be awkward to stand there in the living room. Is there any particular reason why you wouldn’t switch the living room and kitchen? It should all be feasible and transferable...
Kabelmodem87 schrieb:
Would you install a skylight dome at the top of the hallway?No, although I do like them. But you already have a window in the stairwell. I would probably plan for a window in the office door.
Kabelmodem87 schrieb:
Would you have the doors to the utility room and guest toilet open inward as well? Yes.
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