ᐅ Semi-detached house / Two-family house floor plan optimization
Created on: 25 May 2021 17:28
K
KaJuJu311
Hello,
we (siblings) want to build a semi-detached house or a two-family house. The two halves should be the same size, but our idea was to create a two-family house by sharing a common utility room. However, there are several requirements in the development plan, and we are increasingly unsure whether our plan is even feasible.
For example, a semi-detached house with approximately 15.5 m (51 feet) width and 12 m (39 feet) length would be possible. The ridge direction must run from east to west. The living area should be around 140 m² (1507 sq ft).
Plot size: 765 m² (0.19 acres)
Slope: -
Floor area ratio:
Plot ratio: 0.4
Building envelope, building line and boundary: see building envelope
Number of parking spaces: 2
Number of floors: 2 full stories
Roof type: gable roof
Style: semi-detached house
Orientation: terrace/garden faces south
Maximum heights/limits: eaves height 4.7 m (15 ft 5 in), ridge height 11.7 m (38 ft 5 in)
Other requirements: boundary construction
Client Requirements
Style, roof type, building type: semi-detached house with gable roof – nothing else is allowed
Basement, floors: 2 full stories without basement
Number of occupants, age: 2 persons / 30 / 33
Room requirements on ground floor and upper floor: office/guest room, open living, dining, kitchen area, toilet with shower on the ground floor, storage room, spacious wardrobe area – upper floor: 2 children’s rooms, master bedroom with walk-in closet and balcony, large bathroom with bathtub
Number of occasional overnight guests per year: about 3-4 times
Open or closed architectural style: rather open
Conservative or modern construction: modern
Open kitchen, kitchen island: yes, possibly a peninsula as a divider with bar counter
Number of dining seats: 6 permanently – expandable to 8-10
Fireplace: not necessary
Music/stereo wall: –
Balcony, roof terrace: balcony facing south (bedroom) desired
Garage, carport: garage
Kitchen garden, greenhouse: –
Additional wishes/special features/daily routine, including reasons why certain things should or should not be included:
We have an unobstructed view to the south that will remain open. You can look directly onto the fields. Therefore, a large window front is planned on the south side on the ground floor. To the north, there is still a single-family house that will remain. Everything else can be demolished.
House Design
Who designed the plan:
– Construction company
What do you especially like? Why?
The open and spacious living-kitchen-dining area.
What do you not like? Why?
Due to boundary construction, hardly any windows are possible – possibly dormers? Is it even possible to get enough natural light inside?
Cost estimate according to architect/planner: 350,000 €
Personal price limit for the house including equipment: 400,000 €
Preferred heating system: ground-source heat pump
If you had to give up, which details/extensions
– can you give up: fireplace, guest room on the ground floor, balcony on the upper floor
– cannot give up: storage room, large sliding elements in the living room, spacious wardrobe area
Why did the design turn out the way it is now?, e.g.
Adapted from the planner’s standard design to fit our conditions (windows only possible on two sides).
Which wishes were implemented by the architect: wardrobe area, pantry, large bathroom
What makes it particularly good or bad in your view: the window problem is solved quite well, but it looks somewhat generic.
We are reasonably satisfied with the design but have no previous experience with building and probably overlook many things. Originally, a straight staircase was planned, but we were told that it is not advisable. We also wanted to access the attic via a proper staircase, but this was strongly discouraged multiple times.
Thank you very much for your help!
we (siblings) want to build a semi-detached house or a two-family house. The two halves should be the same size, but our idea was to create a two-family house by sharing a common utility room. However, there are several requirements in the development plan, and we are increasingly unsure whether our plan is even feasible.
For example, a semi-detached house with approximately 15.5 m (51 feet) width and 12 m (39 feet) length would be possible. The ridge direction must run from east to west. The living area should be around 140 m² (1507 sq ft).
Plot size: 765 m² (0.19 acres)
Slope: -
Floor area ratio:
Plot ratio: 0.4
Building envelope, building line and boundary: see building envelope
Number of parking spaces: 2
Number of floors: 2 full stories
Roof type: gable roof
Style: semi-detached house
Orientation: terrace/garden faces south
Maximum heights/limits: eaves height 4.7 m (15 ft 5 in), ridge height 11.7 m (38 ft 5 in)
Other requirements: boundary construction
Client Requirements
Style, roof type, building type: semi-detached house with gable roof – nothing else is allowed
Basement, floors: 2 full stories without basement
Number of occupants, age: 2 persons / 30 / 33
Room requirements on ground floor and upper floor: office/guest room, open living, dining, kitchen area, toilet with shower on the ground floor, storage room, spacious wardrobe area – upper floor: 2 children’s rooms, master bedroom with walk-in closet and balcony, large bathroom with bathtub
Number of occasional overnight guests per year: about 3-4 times
Open or closed architectural style: rather open
Conservative or modern construction: modern
Open kitchen, kitchen island: yes, possibly a peninsula as a divider with bar counter
Number of dining seats: 6 permanently – expandable to 8-10
Fireplace: not necessary
Music/stereo wall: –
Balcony, roof terrace: balcony facing south (bedroom) desired
Garage, carport: garage
Kitchen garden, greenhouse: –
Additional wishes/special features/daily routine, including reasons why certain things should or should not be included:
We have an unobstructed view to the south that will remain open. You can look directly onto the fields. Therefore, a large window front is planned on the south side on the ground floor. To the north, there is still a single-family house that will remain. Everything else can be demolished.
House Design
Who designed the plan:
– Construction company
What do you especially like? Why?
The open and spacious living-kitchen-dining area.
What do you not like? Why?
Due to boundary construction, hardly any windows are possible – possibly dormers? Is it even possible to get enough natural light inside?
Cost estimate according to architect/planner: 350,000 €
Personal price limit for the house including equipment: 400,000 €
Preferred heating system: ground-source heat pump
If you had to give up, which details/extensions
– can you give up: fireplace, guest room on the ground floor, balcony on the upper floor
– cannot give up: storage room, large sliding elements in the living room, spacious wardrobe area
Why did the design turn out the way it is now?, e.g.
Adapted from the planner’s standard design to fit our conditions (windows only possible on two sides).
Which wishes were implemented by the architect: wardrobe area, pantry, large bathroom
What makes it particularly good or bad in your view: the window problem is solved quite well, but it looks somewhat generic.
We are reasonably satisfied with the design but have no previous experience with building and probably overlook many things. Originally, a straight staircase was planned, but we were told that it is not advisable. We also wanted to access the attic via a proper staircase, but this was strongly discouraged multiple times.
Thank you very much for your help!
K
KaJuJu31125 May 2021 22:13In other words: so that we are also satisfied with it and feel comfortable.
The plot is built up at the front. Only boundary development is permitted in the second row. A semi-detached house is not mandatory – but since we both want to build, it makes sense.
The plot is built up at the front. Only boundary development is permitted in the second row. A semi-detached house is not mandatory – but since we both want to build, it makes sense.
To be honest, I don’t really understand much about the site plan and the property specifications.
Is a semi-detached house required? And then a semi-detached house without any side windows is planned? Or is this a semi-detached house on a semi-detached house plot? So double semi-detached?
A party wall shouldn’t be a problem either... if there are these currently unclear specifications, daylight could be brought into the upper floor from above. Likewise also into the ground floor.
So what is it now?
Basically, I think the idea of a shared utility room is good.
However, the utility room should only be shared for freezer use, because who wants to share their (private) laundry with the neighbor? Also, there are personal items stored in freezers that most people don’t want to share — whether it’s bottles from the last party, an expensive drill, the yellow smelly garbage bag, or other things... additionally, this would reduce the amount of extra storage space.
Legally, a two-family house is also assessed differently...
KaJuJu311 schrieb:
Plot size: 765 m² (8,236 sq ft)
Slope: -
Floor area ratio (FAR):
Floor space index (FSI): 0.4
Building window, building line and boundary: see building window
Number of parking spaces: 2
Number of floors: 2 full stories
Roof style: gable roof
Style: semi-detached house
Orientation: terrace/garden faces south
Maximum heights/limits: TH 4.7 m (15.4 ft) FH 11.70 m (38.4 ft)
Additional requirements: boundary construction
Is a semi-detached house required? And then a semi-detached house without any side windows is planned? Or is this a semi-detached house on a semi-detached house plot? So double semi-detached?
KaJuJu311 schrieb:
The problem with the windows is really pushing me to my limits right now.
A party wall shouldn’t be a problem either... if there are these currently unclear specifications, daylight could be brought into the upper floor from above. Likewise also into the ground floor.
KaJuJu311 schrieb:
A semi-detached house is not mandatory -
So what is it now?
Basically, I think the idea of a shared utility room is good.
However, the utility room should only be shared for freezer use, because who wants to share their (private) laundry with the neighbor? Also, there are personal items stored in freezers that most people don’t want to share — whether it’s bottles from the last party, an expensive drill, the yellow smelly garbage bag, or other things... additionally, this would reduce the amount of extra storage space.
Legally, a two-family house is also assessed differently...
ypg schrieb:
Honestly, I can’t make much sense of the site plan and the property specifications.Neither can I. It looks more like modern art than a site plan. It’s a strange overlay of buildings from a site plan and randomly arranged color blocks, with plenty of wavy lines but no zoning templates or similar. The section shown is altogether meaningless—no full property is visible, and no access roads either.KaJuJu311 schrieb:
The property is built up at the front. Only boundary development is allowed in the second row.a) You really can’t see anything clearly, b) I suspect there are misunderstandings.
But fine—I’m not going to beg for solid details to give reasonably informed advice. And I’m afraid “our” expert will also hold back.
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
Regarding the floor plan, I think the upper floor is actually quite good. If no windows are allowed on the gable side, I would suggest including dormers if possible, perhaps with floor-to-ceiling windows. Alternatively, roof windows that extend into the wall could work. It’s important to bring enough natural light in.
On the ground floor, I find the pantry a bit too small to be really practical. If so, I would install a sliding door; otherwise, half the room would only be needed just to open the door.
The idea of a shared utility room is not really my preference. Especially since it is not very large for two houses. What is supposed to go in there? Where will the laundry be washed and dried? Overall, I would find storage space lacking.
On the ground floor, I find the pantry a bit too small to be really practical. If so, I would install a sliding door; otherwise, half the room would only be needed just to open the door.
The idea of a shared utility room is not really my preference. Especially since it is not very large for two houses. What is supposed to go in there? Where will the laundry be washed and dried? Overall, I would find storage space lacking.
Similar topics