Dear house building community,
After much consideration, I have decided to share our preliminary design here. As a longtime passive reader, I would like to give back to the community with this small contribution and perhaps even inspire some readers with our floor plan.
For context: We have completed the preliminary design phase with the architect and are currently gathering quotes. The house will be a prefabricated home with slightly upscale features (KfW-40 standard, Q3 plaster, ventilation system, motorized blinds, etc.) and will cost around 3000 € per square meter (about 280 per square foot). I appreciate any feedback and look forward to many comments. Feel free to critically question the design. One note: we are satisfied with the planning and do not wish to make any changes.
Let’s get started!
Basic data:
Requirements:
I have kept it brief on purpose and do not want to reveal what I like or dislike about the design just yet. Instead, I’m going to relax now and grab some popcorn. If you want to know more, feel free to visit my website (Name + “.de”).
I’m looking forward to your opinions!
After much consideration, I have decided to share our preliminary design here. As a longtime passive reader, I would like to give back to the community with this small contribution and perhaps even inspire some readers with our floor plan.
For context: We have completed the preliminary design phase with the architect and are currently gathering quotes. The house will be a prefabricated home with slightly upscale features (KfW-40 standard, Q3 plaster, ventilation system, motorized blinds, etc.) and will cost around 3000 € per square meter (about 280 per square foot). I appreciate any feedback and look forward to many comments. Feel free to critically question the design. One note: we are satisfied with the planning and do not wish to make any changes.
Let’s get started!
Basic data:
- Plot: approx. 470 m² (about 5050 sq ft) in a new development area with a slight south-facing slope (1 m (3 feet) over plot length, 0.5 m (1.5 feet) over house width)
- Neighboring plot to the north: unattractive, vacant three-story building
- Maximum budget for the construction project excluding land and possibly garden/terrace: 700,000 €
Requirements:
- 3 children’s bedrooms (each 12–14 m² (130–150 sq ft))
- Laundry or utility/laundry room
- Study room with space for double desk and guest bed
- Shower in guest bathroom
- Straight-run staircase
- Living-dining-kitchen area in an L-shape
- Space for hallway furniture
- Double garage
- 2 full stories
- Built on a slab foundation
I have kept it brief on purpose and do not want to reveal what I like or dislike about the design just yet. Instead, I’m going to relax now and grab some popcorn. If you want to know more, feel free to visit my website (Name + “.de”).
I’m looking forward to your opinions!
roteweste schrieb:
Hello 11ant,
nice that you wrote something again. I promised that; during the year-end business, only delivery times are longer. At first, it was important for me to let others go first (though I find it a pity there were no bets on what I would respond to and especially what first).
roteweste schrieb:
We will definitely include the measurements you mentioned in our further planning phase. [...] We also debated back and forth about the garbage bins. They are more or less placeholders in the garage. At the moment, I see a triple bin box on the north side as the most practical solution. Here are the original dimensions for such boxes: Where did this drawing come from again—why was something redrawn? What is the reason for breaking the “cold chain” of the planning’s digital workflow? I find that quite unprofessional. I don’t understand why you would hire an architect (and work with her through design phases 1 to 3) if then such everyday essentials like garbage bins and coordinating between bicycles and cars are left to chance. That’s exactly what planning is for: to plan!
roteweste schrieb:
From design phase 4 onward, the housebuilder’s architect takes over. Hopefully, they know what they’re doing then. In my opinion, you have (in terms of process) produced a rather flawed plan: an architect who doesn’t plan systemically would have been better off providing measurements rounded to decimeters (10cm (5 inches)) for wall thicknesses (40cm (16 inches) / 20cm (8 inches)) and all room dimensions. At the very least, I would have expected alignment of the main steps with her planning grid. Deviating once or twice from a justified grid is not the same as random anarchy from the start. The next mistake was the order in which the architect sequentially completed design phases 1 to 3. I constantly emphasize the significance of resting the dough. I don’t understand how you can skip the initial setup—but even then, resting the dough remains important. Now you’re doing a request round whose results no longer feed back into design phase 3. The poor manufacturer planner now has to squeeze design phase 4 out of this structurally deficient design phase 3. Therefore, I fear that when you say
roteweste schrieb:
The first three are full. Thanks again for your comments. you actually mean the first three offers only, and my comments fell on deaf ears.
roteweste schrieb:
We’ve heard the same from other experts (literally). Honestly, three bids were rejected outright with us. I didn’t expect the price range for our house to be anywhere between 3,000 and 4,500 per square meter (sq m). Our calculation might still somewhat work up to 3,500 per sq m.
We have currently narrowed our comparison to three providers and will soon proceed with their preliminary sampling. It was/is stressful. Thirdly, I already conduct such request rounds quite cheaply (though I don’t know my colleagues’ fees, but they can’t be as expensive as pharmacies). So I don’t understand why you want to do it yourself. Secondly, there is an almost causally rigid link between the basis of the request and the range of bids. And first, as you can see, the potential for correcting cost estimates after design phases 2 and 3 is now lost where it really belongs and is useful. Now design phase 4 has to build on a design phase 3 that is not yet deburred, which, as the numbers indicate, means more than ten percent higher “fuel consumption” on the further journey. This could easily have been avoided by simply doing the steps in the right order. The old white man does not say all this because he likes to be right; decades of experience are behind it. I just cook with water, but precisely at one hundred degrees Celsius (212°F). What does “outright rejecting three participants” mean exactly: three bids beyond a justifiable high-price threshold?
roteweste schrieb:
We have now agreed 90% to leave out the door at first. I’m still working on the remaining 10%. We are still undecided about whether to have a lintel or not. Do you have any tips? In any case, we could later cleverly add a door—given three pubescent treasures. I don’t understand the question about the lintel. I would make a single-leaf opening sized like the door you might install later (only bigger to accommodate the wall reveal cladding) and omit the door frame or replace it with plaster. Or you can even install a rough door frame in the format of a standard door. That way, no loose door hangs around, and later you just swap out the frame. None of this is rocket science or fiddly planning.
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Hello everyone,
I don’t want to reopen the topic unnecessarily, but since much of the discussion was about the transition from the hallway to the living-dining-kitchen area, I came up with a solution that allows for a generous entrance to the LDK area while also providing space for an internal sliding door. However, this would require changes to the wardrobe area as well as a redesign of the home office. I have compared the original ground floor plan (left) with my alternative proposal (right). The closet depths have remained the same.
What do you think?

I don’t want to reopen the topic unnecessarily, but since much of the discussion was about the transition from the hallway to the living-dining-kitchen area, I came up with a solution that allows for a generous entrance to the LDK area while also providing space for an internal sliding door. However, this would require changes to the wardrobe area as well as a redesign of the home office. I have compared the original ground floor plan (left) with my alternative proposal (right). The closet depths have remained the same.
What do you think?
A
Aloha_Lars7 Jan 2025 13:43roteweste schrieb:
Hello everyone,
I don’t want to revive this topic unnecessarily, but it was largely about the transition from the hallway to the living-dining-kitchen area. I came up with a solution that allows a generous access to the LDK area while also providing space for an internal sliding door. However, this would require changes to the wardrobe as well as a redesign of the home office. I have compared the original ground floor plan (left) with my alternative proposal (right). The closet depths remain the same.
What do you think? First of all: Your ground floor plan is almost identical to what we built. The only difference is that the WC and utility room are swapped because we have a flat roof extension on the right side. Otherwise, apart from a few meters here and there, it’s really almost identical. Our passage to the kitchen/living/dining area is not as wide as yours since we have a pantry in the kitchen corner. Therefore, we have a sliding door installed in the hallway, which takes up almost no space.
A
Aloha_Lars7 Jan 2025 14:23roteweste schrieb:
Thank you for your suggestion!
We are not quite at the stage where we have made all final decisions. Do you still like the floor plan you chose for your house? It would be great if you could share the floor plan here. Yes, we are still very satisfied with it.
My floor plan is almost identical to your "open" version, except there is a small pantry in the upper right corner of the kitchen, and the WC and utility room are swapped.
M
Maulwurfbau7 Jan 2025 16:29You lose a lot of (storage) space in the small utility room on the ground floor due to the door and potentially windows.
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