ᐅ Single-family home with a secondary apartment, currently for 2 adults, children planned
Created on: 2 Apr 2020 14:35
A
AndreaT
Development Plan / Restrictions
Plot size: 665 sqm (7151 sq ft), the plot is flat
Slope: Adjacent to the plot, a forested slope begins to the south
No development plan. Local customary building allows 3 full floors and any roof style.
Number of parking spaces: 3
Number of floors: 2 full floors or 1 full floor plus an attic with a high knee wall
Roof type: preferably gable roof
Style: not a townhouse, not a timber house. Rather classic than modern
Orientation: The long sides of the house face north and south, the garden is on the south side
Client Requirements
Basement, floors: With a raised basement for building services, storage space, sauna, hobby/workshop
Number of people, ages: 2 adults, 32 + 37, children planned
Space requirements on ground floor and upper floor: I want to be able to live completely on the ground floor (barrier-free) in old age. A granny flat on the upper floor
Open or closed architecture: rather open
Conservative or modern construction: conservative
Open kitchen, kitchen island: Open kitchen preferred; kitchen island is optional
Number of dining seats: 6–8
Fireplace: yes
Garage, carport: 1 garage on the left side of the house, 1 double carport on the right side (border building)
Utility garden, greenhouse: yes
Additional wishes / special features / daily routine, including reasons why certain things are wanted or not wanted:
I work in shifts and sometimes need to sleep during the day. Therefore, a second bedroom/retreat on the upper floor is required.
The granny flat should have the option to be connected to the rest of the house (knock-through).
House Design
Planning by:
- Do-it-yourself
What do you like most? Why? All important rooms on the ground floor so that barrier-free living is possible in old age. Children will have their own floor later.
The bathroom on the ground floor is planned to be barrier-free, with a walk-in shower.
Personal price limit for the house, including equipment: 300,000
Preferred heating technology: Geothermal heat pump or pellet heating with Stirling engine, possibly photovoltaic and/or solar thermal (consultation appointment pending)
If you had to give up, which details / additions could you do without:
- The upper floor (as a separate apartment) can be developed later
Why did the design become what it is now?
A mix of many examples from various magazines with the goal of having everything on one level and giving the children their own floor later.
A granny flat would be desirable.
The stairs to the basement are missing. Inside the basement stairs should be underneath the stairs to the upper floor; also outside the basement stairs should be underneath the stairs to the upper floor.
What is the most important/basic question about the floor plan in 130 characters?
Does this make sense? What have I forgotten? What would you do differently? Does the granny flat concept work like this?
Plot size: 665 sqm (7151 sq ft), the plot is flat
Slope: Adjacent to the plot, a forested slope begins to the south
No development plan. Local customary building allows 3 full floors and any roof style.
Number of parking spaces: 3
Number of floors: 2 full floors or 1 full floor plus an attic with a high knee wall
Roof type: preferably gable roof
Style: not a townhouse, not a timber house. Rather classic than modern
Orientation: The long sides of the house face north and south, the garden is on the south side
Client Requirements
Basement, floors: With a raised basement for building services, storage space, sauna, hobby/workshop
Number of people, ages: 2 adults, 32 + 37, children planned
Space requirements on ground floor and upper floor: I want to be able to live completely on the ground floor (barrier-free) in old age. A granny flat on the upper floor
Open or closed architecture: rather open
Conservative or modern construction: conservative
Open kitchen, kitchen island: Open kitchen preferred; kitchen island is optional
Number of dining seats: 6–8
Fireplace: yes
Garage, carport: 1 garage on the left side of the house, 1 double carport on the right side (border building)
Utility garden, greenhouse: yes
Additional wishes / special features / daily routine, including reasons why certain things are wanted or not wanted:
I work in shifts and sometimes need to sleep during the day. Therefore, a second bedroom/retreat on the upper floor is required.
The granny flat should have the option to be connected to the rest of the house (knock-through).
House Design
Planning by:
- Do-it-yourself
What do you like most? Why? All important rooms on the ground floor so that barrier-free living is possible in old age. Children will have their own floor later.
The bathroom on the ground floor is planned to be barrier-free, with a walk-in shower.
Personal price limit for the house, including equipment: 300,000
Preferred heating technology: Geothermal heat pump or pellet heating with Stirling engine, possibly photovoltaic and/or solar thermal (consultation appointment pending)
If you had to give up, which details / additions could you do without:
- The upper floor (as a separate apartment) can be developed later
Why did the design become what it is now?
A mix of many examples from various magazines with the goal of having everything on one level and giving the children their own floor later.
A granny flat would be desirable.
The stairs to the basement are missing. Inside the basement stairs should be underneath the stairs to the upper floor; also outside the basement stairs should be underneath the stairs to the upper floor.
What is the most important/basic question about the floor plan in 130 characters?
Does this make sense? What have I forgotten? What would you do differently? Does the granny flat concept work like this?
Thank you very much for the feedback so far!!
I have been working with Sweet Home 3D, and it only offered these stair options. But it’s a good point that they are too small.
I work in elderly care/disability support. A stairlift is not always a practical solution. That’s why I want to at least have the option to put the bedroom on the ground floor. Until then, the room can also be used differently (office, part of the living room, whatever).
I’ll look for the drainage thread right away.
You’re right, the term utility room was not appropriate. It was more intended as a pantry and a place to store the vacuum cleaner/ironing board.
We actually don’t have any “very complicated” or “unusual” requirements.
The raised basement is due to the high groundwater, which pushes up during floods; otherwise, the house would have to be built on a plinth, and that space would be “lost.”
And in various threads, you repeatedly read that a basement is cheaper than building the same area above ground.
The idea of a separate dressing room is good, thank you!
The granny flat is actually not absolutely necessary. It was an idea to help with financing (both in terms of grants and rental income), but we are also unsure if we really want it.
Unfortunately, the appointment with the architect was postponed because of Corona, so I started rough planning on my own. Maybe I should wait for the professionals after all.
Thank you for your advice!!
I have been working with Sweet Home 3D, and it only offered these stair options. But it’s a good point that they are too small.
I work in elderly care/disability support. A stairlift is not always a practical solution. That’s why I want to at least have the option to put the bedroom on the ground floor. Until then, the room can also be used differently (office, part of the living room, whatever).
I’ll look for the drainage thread right away.
You’re right, the term utility room was not appropriate. It was more intended as a pantry and a place to store the vacuum cleaner/ironing board.
We actually don’t have any “very complicated” or “unusual” requirements.
The raised basement is due to the high groundwater, which pushes up during floods; otherwise, the house would have to be built on a plinth, and that space would be “lost.”
And in various threads, you repeatedly read that a basement is cheaper than building the same area above ground.
The idea of a separate dressing room is good, thank you!
The granny flat is actually not absolutely necessary. It was an idea to help with financing (both in terms of grants and rental income), but we are also unsure if we really want it.
Unfortunately, the appointment with the architect was postponed because of Corona, so I started rough planning on my own. Maybe I should wait for the professionals after all.
Thank you for your advice!!
AndreaT schrieb:
And a stairlift is not always a practical solution. I’m not an expert in this area, but I wonder: if I become so old/frail/whatever that I can’t even use a stairlift, can I still realistically live in the house? Does it even make sense then?
AndreaT schrieb:
Idea for financing It rarely makes financial sense. First of all, you pay a large amount upfront, which you have to slowly recover again through rental income that is subject to taxation.
I see a design approximately 14 meters wide and 8 meters long.
(This results in about 110 sqm (1,184 sq ft) of living space per floor.)
If we add some solid and insulated exterior walls to the design, the external dimensions become 14.8 x 8.8 meters (48.5 x 28.9 ft).
14.8 meters (48.5 ft) house width + 3 meters (9.8 ft) garage on the left + 6 meters (19.7 ft) carport on the right = 23.8 meters (78.1 ft)
However, the plot is only about 21.6 meters (70.9 ft) wide...
Such a request, however, must be affordable.
Since you have additional wishes, which I will address, having a bedroom on the ground floor should be the least of your concerns, apart from the space requirement.
Basement + 2 floors:
100,000 Basement (110 sqm / 1,184 sq ft)
440,000 House (220 sqm / 2,368 sq ft)
10,000 Fireplace including chimney
5,000 Sauna
12,000 Garage
10,000 Double carport
20,000 Interior finishing
That is also an expensive undertaking.
If I replace the costs for the carport and garage with those of the desired photovoltaic heating system, we end up at approximately 600,000€ plus about 50,000€ for exterior landscaping.
With 300,000€, you will get a 130 sqm (1,399 sq ft) house without a basement or extras.
That’s also why the "pilot" designation applies.
Sorryyyyyyy, it’s not going to work.
(This results in about 110 sqm (1,184 sq ft) of living space per floor.)
If we add some solid and insulated exterior walls to the design, the external dimensions become 14.8 x 8.8 meters (48.5 x 28.9 ft).
14.8 meters (48.5 ft) house width + 3 meters (9.8 ft) garage on the left + 6 meters (19.7 ft) carport on the right = 23.8 meters (78.1 ft)
However, the plot is only about 21.6 meters (70.9 ft) wide...
AndreaT schrieb:
Therefore, I would at least like the option to have the bedroom on the ground floor. Until then, the room can be used differently (office, part of the living room, whatever).
Such a request, however, must be affordable.
Since you have additional wishes, which I will address, having a bedroom on the ground floor should be the least of your concerns, apart from the space requirement.
Basement + 2 floors:
100,000 Basement (110 sqm / 1,184 sq ft)
440,000 House (220 sqm / 2,368 sq ft)
10,000 Fireplace including chimney
5,000 Sauna
12,000 Garage
10,000 Double carport
20,000 Interior finishing
AndreaT schrieb:
Preferred heating technology: geothermal heat pump or pellet heating with Stirling engine, possibly photovoltaics and/or solar thermal (consultation appointment is still pending)
That is also an expensive undertaking.
If I replace the costs for the carport and garage with those of the desired photovoltaic heating system, we end up at approximately 600,000€ plus about 50,000€ for exterior landscaping.
With 300,000€, you will get a 130 sqm (1,399 sq ft) house without a basement or extras.
AndreaT schrieb:
I work in elderly care/disability assistance.
That’s also why the "pilot" designation applies.
Sorryyyyyyy, it’s not going to work.
1. Needing an elevator already imposes significant limitations. If it fails, the house becomes unusable.
2. A basement is not necessarily cheaper than building above ground, especially since you will need a waterproof concrete basement.
3. A condominium is not financially viable.
4. Your budget is completely insufficient.
2. A basement is not necessarily cheaper than building above ground, especially since you will need a waterproof concrete basement.
3. A condominium is not financially viable.
4. Your budget is completely insufficient.
I did not understand the basement / raised basement concept at all – both floors appear fully above ground from all sides, and the site plan (of course without contour lines) gives no indication of what that might mean. I would only consider a granny flat if the tax advisor can convincingly demonstrate that it is financially worthwhile – usually, it tends to be a mix of a zero-sum game and wishful thinking. At the age of 32/37, long-term retirement planning is not meaningful, as you are more likely part of the generation that builds again shortly before retirement. Using floor plan sketches with symbolic thin walls is, in my opinion, even good for non-structural experts – as long as one does not forget to add appropriate allowances for the actual wall thicknesses. Otherwise, it is better to generally assume all interior walls are 20cm (8 inches) thick and all exterior walls are 40cm (16 inches) thick. Customized floor plans without any specific requests are just a game.
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
AndreaT schrieb:
I’ll look for the drainage thread right away. This topic came up recently (quite far back): https://www.hausbau-forum.de/threads/grundrissoptimierung-Stadtvilla-aufschuettueberlegung.33680/
AndreaT schrieb:
It was rather intended as a pantry and to store the vacuum cleaner/ironing board. That wouldn’t fit, you wouldn’t be able to open the door or get into the room.
AndreaT schrieb:
And in various threads, you keep reading that a basement is cheaper than building the same area above ground. Maybe the same area, but how much space do you REALLY need?
If you leave out the granny flat but keep the same outside dimensions, you would already gain so much space! And suddenly save 100,000€ (compare with ypg’s calculation).
AndreaT schrieb:
The granny flat is actually not absolutely necessary. It was an idea for financing (both regarding subsidies and rental income), but we are still undecided whether we really want it. Hopefully you’ll decide: No, we don’t need it.
What’s the point of your own house if it’s not truly your own, i.e., not just for yourselves?
AndreaT schrieb:
Maybe I better wait for the professionals. That would definitely make sense. Although:
11ant schrieb:
Custom floor plan design without specific special requests is nonsense. I can only agree with that!
Choose a ready-made general contractor (GC) floor plan (I’m not familiar with all providers… Gussek Haus, Bien-Zenker, Town & Country, and so on).
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