ᐅ Floor Plan Design (Semi-Detached House on 240 sqm) – Any Experiences?
Created on: 7 Aug 2024 10:58
D
D-Zug88
Hello everyone,
I am completely new to the topic of building and also new to this forum, so please forgive me if I ask some basic questions.
Our starting point:
Desired:
- House with a basement (neighbor is building with a basement, we want that too, and it is strongly recommended due to foundation requirements. See also the topic about stepped foundation or underpinning.)
The house should have 2 full stories plus a gable roof with a maximum ridge height of 11 m (36 ft), eaves height of 6.5 m (21 ft), and roof pitch of 20°. Floor space ratio of 0.4 / 0.7 as area requirement. A garage would be great, but I suspect that might be tight.
The plot is 240 sqm (2,583 sq ft) with 2 parking spaces required, including the development plan.
We feel a bit lost and simply took an example from the internet that represents our absolute dream. However, it has 174 sqm (1,873 sq ft) of living space. How to get a floor plan with around 130-140 sqm (1,399–1,507 sq ft), I would really need help with that.
I can well imagine sacrificing the "office" on the ground floor for a proper hallway for stroller storage, etc., so that a straight staircase with storage underneath would be possible. I think this would make the living and dining area larger again or make the house smaller, thus more garden space.
I tried to draw something on my own using some "architect software" but I’m totally lost. I am familiar with CAD for milling and similar, but this is beyond my skills.
Any tips and support or even a reality check would be much appreciated.
Excerpts from the development plan
[IMG width="797px" alt="1722930877872.png"]https://www.hausbau-forum.de/attachments/1722930877872-png.87070/[/IMG]
Design of Semi-Detached Houses and Housing Groups
Semi-detached houses and housing groups must have the same roof shape, roof pitch, and ridge orientation (for pitched roofs). If the buildings are not constructed at the same time, the later building must comply with the criteria mentioned above according to the specifications of the first building.
When constructing buildings with apartments, the required parking spaces per dwelling unit are as follows:
▪ For apartments / units over 50 sqm (540 sq ft) of living space at least 1.5 parking spaces,
▪ For apartments / units up to 50 sqm (540 sq ft) of living space at least 1 parking space.
The total number per building project must be rounded up to the next whole number (i.e., for detached, semi-detached, row and terraced houses, at least 2 parking spaces must be provided per dwelling unit).
Parking Spaces, Garages, and Buildings for Bicycle Storage and/or Waste Containers in WA 1 - WA 3 Areas (§ 9 para. 1 no. 4 Building Code and §§ 12 and 14 Land Use Ordinance)
When creating parking spaces and garages with their driveways, the areas specified in the plan without entrances and exits must be observed.
A 5.1 Underground Garages (UG)
Underground garages are permitted even outside the buildable areas of the plot.
A 5.2 Above-Ground Garages (Ga), Covered Parking Spaces/Carports (Cp), and Buildings for Bicycle Storage and/or Waste Containers
Garages, carports, and buildings for storing necessary bicycle parking and/or waste containers are also permitted outside the buildable areas of the plot.
A minimum distance of 0.5 m (1.6 ft) must be maintained from public road boundaries for garages and buildings for bicycle storage and/or waste containers; on their driveway or access sides at least 1.5 m (5 ft).
Carports (with supports and roofs) must maintain a minimum distance of 0.5 m (1.6 ft) from boundaries of public road areas.
A 5.3 Open Parking Spaces (St)
Open parking spaces are permitted outside the buildable areas on the entire building plot, provided no other restrictions apply (e.g. planting regulations or driveway prohibitions).
A 6 Other Outbuildings in WA 1 - WA 3 Areas (§ 9 para. 1 no. 4 Building Code and § 14 Land Use Ordinance)
Garages, carports, and buildings for necessary bicycle parking and/or waste containers are not considered outbuildings according to the following provisions:
Only one outbuilding with a maximum volume of 25 cubic meters (883 cubic feet) is allowed per residential/main building. The minimum distance of outbuildings from the boundaries of public road areas must be 1.5 m (5 ft).
I am completely new to the topic of building and also new to this forum, so please forgive me if I ask some basic questions.
Our starting point:
Desired:
- House with a basement (neighbor is building with a basement, we want that too, and it is strongly recommended due to foundation requirements. See also the topic about stepped foundation or underpinning.)
The house should have 2 full stories plus a gable roof with a maximum ridge height of 11 m (36 ft), eaves height of 6.5 m (21 ft), and roof pitch of 20°. Floor space ratio of 0.4 / 0.7 as area requirement. A garage would be great, but I suspect that might be tight.
The plot is 240 sqm (2,583 sq ft) with 2 parking spaces required, including the development plan.
We feel a bit lost and simply took an example from the internet that represents our absolute dream. However, it has 174 sqm (1,873 sq ft) of living space. How to get a floor plan with around 130-140 sqm (1,399–1,507 sq ft), I would really need help with that.
I can well imagine sacrificing the "office" on the ground floor for a proper hallway for stroller storage, etc., so that a straight staircase with storage underneath would be possible. I think this would make the living and dining area larger again or make the house smaller, thus more garden space.
I tried to draw something on my own using some "architect software" but I’m totally lost. I am familiar with CAD for milling and similar, but this is beyond my skills.
Any tips and support or even a reality check would be much appreciated.
Excerpts from the development plan
[IMG width="797px" alt="1722930877872.png"]https://www.hausbau-forum.de/attachments/1722930877872-png.87070/[/IMG]
Design of Semi-Detached Houses and Housing Groups
Semi-detached houses and housing groups must have the same roof shape, roof pitch, and ridge orientation (for pitched roofs). If the buildings are not constructed at the same time, the later building must comply with the criteria mentioned above according to the specifications of the first building.
When constructing buildings with apartments, the required parking spaces per dwelling unit are as follows:
▪ For apartments / units over 50 sqm (540 sq ft) of living space at least 1.5 parking spaces,
▪ For apartments / units up to 50 sqm (540 sq ft) of living space at least 1 parking space.
The total number per building project must be rounded up to the next whole number (i.e., for detached, semi-detached, row and terraced houses, at least 2 parking spaces must be provided per dwelling unit).
Parking Spaces, Garages, and Buildings for Bicycle Storage and/or Waste Containers in WA 1 - WA 3 Areas (§ 9 para. 1 no. 4 Building Code and §§ 12 and 14 Land Use Ordinance)
When creating parking spaces and garages with their driveways, the areas specified in the plan without entrances and exits must be observed.
A 5.1 Underground Garages (UG)
Underground garages are permitted even outside the buildable areas of the plot.
A 5.2 Above-Ground Garages (Ga), Covered Parking Spaces/Carports (Cp), and Buildings for Bicycle Storage and/or Waste Containers
Garages, carports, and buildings for storing necessary bicycle parking and/or waste containers are also permitted outside the buildable areas of the plot.
A minimum distance of 0.5 m (1.6 ft) must be maintained from public road boundaries for garages and buildings for bicycle storage and/or waste containers; on their driveway or access sides at least 1.5 m (5 ft).
Carports (with supports and roofs) must maintain a minimum distance of 0.5 m (1.6 ft) from boundaries of public road areas.
A 5.3 Open Parking Spaces (St)
Open parking spaces are permitted outside the buildable areas on the entire building plot, provided no other restrictions apply (e.g. planting regulations or driveway prohibitions).
A 6 Other Outbuildings in WA 1 - WA 3 Areas (§ 9 para. 1 no. 4 Building Code and § 14 Land Use Ordinance)
Garages, carports, and buildings for necessary bicycle parking and/or waste containers are not considered outbuildings according to the following provisions:
Only one outbuilding with a maximum volume of 25 cubic meters (883 cubic feet) is allowed per residential/main building. The minimum distance of outbuildings from the boundaries of public road areas must be 1.5 m (5 ft).
11ant schrieb:
Typical models are named, for example, 141 SD35, which means offering 141 m² (1,520 sq ft) of living space including the attic studio = master bedroom for families with three children, all under a 35° gable roof. Since you are supposed to build an SD 20°, models with PD are not suitable for direct "1:1 transfer"; and the smaller models just under 130 m² (1,400 sq ft) usually cannot be applied to your situation either. Otherwise, I highly recommend my post "A Duplex Has TWO Halves" (which also includes my "A House Building Roadmap for You: The HOAI Phase Model"). This means concretely for you: the usual semi-detached house project types can be taken as inspiration up to the top of the first floor; the total living area will decrease somewhat; under the shallower gable roof there will likely only be an attic used for storage; with a 7 m (23 ft) house width, you will have an easier time. Now really.
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
Hello everyone,
I forgot to mention that the SD can be inclined between 20 and 40 degrees. Sorry for missing that information.
I understand that we should definitely build with the same construction partner (to ensure coordination between the two halves).
I’m not familiar with the term general contractor. Is a general contractor someone who handles both the planning and execution? So, are these construction companies like Büdenbender, as mentioned earlier in the thread, or am I completely off track?
I will take a closer look at the post this evening after work. Thank you very much for your advice.
As I said, I’m completely new to this topic.
Best regards
I forgot to mention that the SD can be inclined between 20 and 40 degrees. Sorry for missing that information.
I understand that we should definitely build with the same construction partner (to ensure coordination between the two halves).
I’m not familiar with the term general contractor. Is a general contractor someone who handles both the planning and execution? So, are these construction companies like Büdenbender, as mentioned earlier in the thread, or am I completely off track?
I will take a closer look at the post this evening after work. Thank you very much for your advice.
As I said, I’m completely new to this topic.
Best regards
11ant schrieb:
This means specifically for you: you can use the typical DH project house types as inspiration up to the top edge of the upper floor; the total living area will decrease slightly; under the lower-pitched gable roof, there might only be an attic used for storage; with a 7m (23 feet) house width, things will be more comfortable. Now, really ... I will do that! Thank you very much
11ant schrieb:
P.S.:
Be sure NOT to try to scale down a template that is too large – this will never ever work, especially for this category of buildings, since these houses are designed without even the smallest seam allowance. Because of the 20° roof pitch, you can only partially use inspiration sources like the "standard suspects" (see forum search with the keyword "standard suspects": Brale / Hildmann Traumhaus / Tecklenburg / Weisenburger / Wengerter / Werner). Typical models are, for example, 141 SD35, which means offering 141 sqm (1,520 sq ft) of living space under a 35° gable roof, including a loft used as a master bedroom for families with three children; since you need to build a 20° pitched roof, the models with steeper roof pitches are not suitable for direct 1:1 transfer. Also, the smaller models just under 130 sqm (1,400 sq ft) are usually not transferable to your case. Otherwise, I recommend my post "A semi-detached house has TWO halves," which also includes my "House Building Roadmap for You: the HOAI Phase Model." I will follow that advice, I also thought it would be very naive. But I figured I might as well try—thought nothing serious would happen at first.
D-Zug88 schrieb:
I’m not familiar with the term general contractor. Is a general contractor someone who handles both the design and the construction? Yes, that’s correct. You are the homeowners with your own land. The general contractor builds your house and also handles the design, but only for the house itself. You remain responsible for the land. They can help with obtaining necessary permits (building permits / planning permission) or utility connections if you ask.
D-Zug88 schrieb:
So, are these construction companies like Büdenbender mentioned earlier in the thread, or am I completely off track? Exactly.
However, in my experience, Büdenbender feels about twice as expensive as what you might afford. But I already mentioned: the companies you listed are priced above 3000€/m² (about $280/sq ft) of living space.
G
Gerddieter8 Aug 2024 21:45What a valuable thread!!! I had missed @11ant so much...