ᐅ Floor Plan Optimization | Semi-Detached House on a Slope with 192 m² of Living Space
Created on: 7 Jun 2020 21:28
E
erazorlll
Dear Forum,
In recent weeks, I shared my experiences searching for and selecting a construction company. Thanks again for all your help and discussions!
As promised, I am posting our current plans here and would appreciate your comments and suggestions. Some minor details are not ideal but likely cannot be changed – I have explained these below.
Development Plan / Restrictions
Plot size: 340m² (3,659 sq ft)
Slope: Yes, approximately 2m (6.5 ft) difference over 17m (56 ft) length
Site coverage ratio: 0.4
Floor area ratio: none
Building envelope, building line and boundary:
Maximum building envelope for semi-detached house: 8x13m (26x43 ft)
Maximum garage building envelope: 5x9m (16x30 ft)
Building boundaries may be exceeded by a maximum of 5m (16 ft) in width and 1.5m (5 ft) in depth per building side, as well as by minor structural elements
Number of parking spaces: 2 cars and 2 bicycles
Storeys: No direct specification, but height limits above sea level apply
Roof type: Gable roof, 30-40° pitch
Architectural style: -
Orientation: Southeast
Maximum heights/limits:
Maximum eaves and ridge heights are given as heights above sea level.
No roof structures are permitted on the north side.
Additional requirements:
A cistern is mandatory. The maximum height of the garage within its designated envelope is specified.
Client Requirements
Style, roof type, building type: Modern, gable roof, semi-detached house
Basement, floors: At least two floors required; the open basement results from the slope
Number of occupants, age: 2 adults in their early/mid-30s, planning for 1-2 children
Space requirements on ground and upper floors:
Ground floor: office, living room, dining room, kitchen, pantry, and shower/WC
Upper floor: bedroom, dressing room, bathroom, and two children’s bedrooms
Office: family use or home office? An office is essential
Overnight guests per year: 2-3 times
Open or closed architecture: Good mix. Kitchen, dining, and living areas are mostly open; the rest are mostly closed
Conservative or modern construction: Modern construction preferred
Open kitchen, island: Open kitchen with island
Number of dining seats: 4-6
Fireplace: Yes, if feasible
Music/sound wall: ?
Balcony, roof terrace: No, not needed
Garage, carport: Double garage is not possible due to development plan restrictions. Therefore, a slightly wider single garage with space for trash bins and bicycles.
Utility garden, greenhouse: No
Additional wishes/special features/daily routine, reasons for preferences:
The master bedroom can be smaller since it is only for sleeping; the space should benefit other rooms.
A large bathroom with a spacious, airy feel.
See also text below.
House Design
Planning source: Discussions with the general contractor and implementation by architects
What do you especially like? Why?
Bathroom – relatively large, wide double vanity, WC somewhat hidden, and walk-in shower without enclosure
Staircase – not too tightly curved for a semi-detached house
Children’s rooms – equally sized but not mirrored exactly, slightly different layouts
What do you not like? Why?
Pantry – unfortunately not directly behind the kitchen, with stairs in between
Ground floor WC – initially planned as a shower toilet but moved to basement due to space constraints
Estimated cost according to architect/planner: approx. 2,400 euros per m² (approx. $220 per sq ft)
Personal price limit for house including fittings:
Preferred heating system: Air-to-water heat pump as a split unit – suggested model was "Weishaupt Air/Water Heat Pump Biblock (WWP LB)"
If you had to give up, which details or expansions would you skip
-Could you skip: Fireplace, granny flat, size of basement hallway, knee wall in master bedroom
-Cannot skip: Large bathroom, pantry and ground floor WC, office
Why was the design created this way?
We discussed our wishes for each floor with the general contractor, who then worked with the architect to create a design.
We reviewed and adjusted the design several times to meet our needs.
The suggestion to place the kitchen directly by the terrace and the living room more inward came from the general contractor.
Additional remarks:
We acquired a plot for a semi-detached house and after long research chose a solid construction provider.
Besides standard rooms, we require two children’s rooms and a home office. Due to the slope, a three-story building with an open basement at the front evolved. An open kitchen-dining-living area with a possible small division to the living room via a fireplace is important to us.
The general contractor proposed placing the kitchen on the garden side for easy access between garden and kitchen/refrigerator, especially in summer. The living area was placed more inward for more privacy. Initially, this seemed unusual since most floor plans are the other way around. Now we find it quite interesting.
After the first draft, two problems arose: the kitchen was too narrow for our ideas. We wanted an open kitchen with a large central island. The dressing room upstairs was hard to use due to layout and a 2m (6.5 ft) boundary line. We reworked the plan extensively and had to move the staircase, which affected the layout on all floors. The dressing room has become acceptable and usable. Unfortunately, these changes meant that the pantry was no longer behind the kitchen and the ground floor WC lost its shower. We see no option to change this without causing other issues.
We do not actually need a granny flat. However, due to the open basement design, an extra room emerged. Initially planned as a hobby room, it became a granny flat because the ground floor shower had to be removed and we wanted a second shower for safety. This is not bad for several reasons: 1) if we are older, we would have everything needed downstairs and on the ground floor; 2) if a child wants to move in, they have a WC and shower; 3) there would be a second shower in the house (in case there are three women living here).
And if you wonder why the house is so large with 192m² (2,067 sq ft) of living space:
We never planned for so much space; it developed naturally. We do not want to change the width of 8m (26 ft), as it would become too narrow. The length of 12m (39 ft) could theoretically be reduced, but currently, only the basement area seems oversized. On the ground floor, space is tight for pantry and shower, and upstairs for dressing room layout.
That’s the overview of our ideas and plans. I look forward to your comments and questions.
What is the most important/basic question about the floor plan in 130 characters?
We would appreciate general opinions on the floor plan.
Have we overlooked anything that only becomes apparent in daily life?
Are there smarter ideas for alternative layouts?
What do you think about the kitchen’s layout and size?
What about the garage size? I’m unsure whether width or length is more important.
What do you think about the door orientations? Some open inward, some outward due to space. Is this inconvenient or acceptable?
If anything is missing, please let me know.
PS: The exterior design of the house and garage (color, wood between windows, etc.) and the type of doors in the dining room (sliding/door/fixed) are not finalized and just roughly sketched. Please disregard.
Thank you!
//Edit: If anyone wonders why the maximum roof height in the plan differs slightly from the building roof height: this was a later change to the development plan and is correct.
In recent weeks, I shared my experiences searching for and selecting a construction company. Thanks again for all your help and discussions!
As promised, I am posting our current plans here and would appreciate your comments and suggestions. Some minor details are not ideal but likely cannot be changed – I have explained these below.
Development Plan / Restrictions
Plot size: 340m² (3,659 sq ft)
Slope: Yes, approximately 2m (6.5 ft) difference over 17m (56 ft) length
Site coverage ratio: 0.4
Floor area ratio: none
Building envelope, building line and boundary:
Maximum building envelope for semi-detached house: 8x13m (26x43 ft)
Maximum garage building envelope: 5x9m (16x30 ft)
Building boundaries may be exceeded by a maximum of 5m (16 ft) in width and 1.5m (5 ft) in depth per building side, as well as by minor structural elements
Number of parking spaces: 2 cars and 2 bicycles
Storeys: No direct specification, but height limits above sea level apply
Roof type: Gable roof, 30-40° pitch
Architectural style: -
Orientation: Southeast
Maximum heights/limits:
Maximum eaves and ridge heights are given as heights above sea level.
No roof structures are permitted on the north side.
Additional requirements:
A cistern is mandatory. The maximum height of the garage within its designated envelope is specified.
Client Requirements
Style, roof type, building type: Modern, gable roof, semi-detached house
Basement, floors: At least two floors required; the open basement results from the slope
Number of occupants, age: 2 adults in their early/mid-30s, planning for 1-2 children
Space requirements on ground and upper floors:
Ground floor: office, living room, dining room, kitchen, pantry, and shower/WC
Upper floor: bedroom, dressing room, bathroom, and two children’s bedrooms
Office: family use or home office? An office is essential
Overnight guests per year: 2-3 times
Open or closed architecture: Good mix. Kitchen, dining, and living areas are mostly open; the rest are mostly closed
Conservative or modern construction: Modern construction preferred
Open kitchen, island: Open kitchen with island
Number of dining seats: 4-6
Fireplace: Yes, if feasible
Music/sound wall: ?
Balcony, roof terrace: No, not needed
Garage, carport: Double garage is not possible due to development plan restrictions. Therefore, a slightly wider single garage with space for trash bins and bicycles.
Utility garden, greenhouse: No
Additional wishes/special features/daily routine, reasons for preferences:
The master bedroom can be smaller since it is only for sleeping; the space should benefit other rooms.
A large bathroom with a spacious, airy feel.
See also text below.
House Design
Planning source: Discussions with the general contractor and implementation by architects
What do you especially like? Why?
Bathroom – relatively large, wide double vanity, WC somewhat hidden, and walk-in shower without enclosure
Staircase – not too tightly curved for a semi-detached house
Children’s rooms – equally sized but not mirrored exactly, slightly different layouts
What do you not like? Why?
Pantry – unfortunately not directly behind the kitchen, with stairs in between
Ground floor WC – initially planned as a shower toilet but moved to basement due to space constraints
Estimated cost according to architect/planner: approx. 2,400 euros per m² (approx. $220 per sq ft)
Personal price limit for house including fittings:
Preferred heating system: Air-to-water heat pump as a split unit – suggested model was "Weishaupt Air/Water Heat Pump Biblock (WWP LB)"
If you had to give up, which details or expansions would you skip
-Could you skip: Fireplace, granny flat, size of basement hallway, knee wall in master bedroom
-Cannot skip: Large bathroom, pantry and ground floor WC, office
Why was the design created this way?
We discussed our wishes for each floor with the general contractor, who then worked with the architect to create a design.
We reviewed and adjusted the design several times to meet our needs.
The suggestion to place the kitchen directly by the terrace and the living room more inward came from the general contractor.
Additional remarks:
We acquired a plot for a semi-detached house and after long research chose a solid construction provider.
Besides standard rooms, we require two children’s rooms and a home office. Due to the slope, a three-story building with an open basement at the front evolved. An open kitchen-dining-living area with a possible small division to the living room via a fireplace is important to us.
The general contractor proposed placing the kitchen on the garden side for easy access between garden and kitchen/refrigerator, especially in summer. The living area was placed more inward for more privacy. Initially, this seemed unusual since most floor plans are the other way around. Now we find it quite interesting.
After the first draft, two problems arose: the kitchen was too narrow for our ideas. We wanted an open kitchen with a large central island. The dressing room upstairs was hard to use due to layout and a 2m (6.5 ft) boundary line. We reworked the plan extensively and had to move the staircase, which affected the layout on all floors. The dressing room has become acceptable and usable. Unfortunately, these changes meant that the pantry was no longer behind the kitchen and the ground floor WC lost its shower. We see no option to change this without causing other issues.
We do not actually need a granny flat. However, due to the open basement design, an extra room emerged. Initially planned as a hobby room, it became a granny flat because the ground floor shower had to be removed and we wanted a second shower for safety. This is not bad for several reasons: 1) if we are older, we would have everything needed downstairs and on the ground floor; 2) if a child wants to move in, they have a WC and shower; 3) there would be a second shower in the house (in case there are three women living here).
And if you wonder why the house is so large with 192m² (2,067 sq ft) of living space:
We never planned for so much space; it developed naturally. We do not want to change the width of 8m (26 ft), as it would become too narrow. The length of 12m (39 ft) could theoretically be reduced, but currently, only the basement area seems oversized. On the ground floor, space is tight for pantry and shower, and upstairs for dressing room layout.
That’s the overview of our ideas and plans. I look forward to your comments and questions.
What is the most important/basic question about the floor plan in 130 characters?
We would appreciate general opinions on the floor plan.
Have we overlooked anything that only becomes apparent in daily life?
Are there smarter ideas for alternative layouts?
What do you think about the kitchen’s layout and size?
What about the garage size? I’m unsure whether width or length is more important.
What do you think about the door orientations? Some open inward, some outward due to space. Is this inconvenient or acceptable?
If anything is missing, please let me know.
PS: The exterior design of the house and garage (color, wood between windows, etc.) and the type of doors in the dining room (sliding/door/fixed) are not finalized and just roughly sketched. Please disregard.
Thank you!
//Edit: If anyone wonders why the maximum roof height in the plan differs slightly from the building roof height: this was a later change to the development plan and is correct.
E
erazorlll23 Jun 2020 11:11Tolentino schrieb:
Phew, we’re hijacking the thread, sorry.
Sorry to the original poster, maybe we should continue this via private message or in another thread, there are plenty of flooring threads anyway...Not at all, please feel free to continue the discussion. Although this isn’t the flooring thread, your input is valuable for my decision.
I’d like to bring up another point:
A few pages back, we discussed leaving the ridge open on the upper floor. Now we’re considering installing a ceiling up there, which would be a bit higher than usual (possibly around 2.80m (9 feet 2 inches)). However, that means we wouldn’t be able to install a roof window in the hallway, or only with a very pronounced light tunnel straight up.
Our general contractor suggested the Velux light tunnel, and I also found information in other forums about a competitor product called Solatube. From what I gathered: both work and admit light, but Velux products often have condensation issues, while Solatube might provide much brighter daylight due to its different roof installation method.
Does anyone have experience with or opinions on this?
I'll take the liberty to share the progress update. (Information from yesterday)
erazorlll schrieb:
but we are building identically and are just about to start construction.
driver55 schrieb:
I’ll take the liberty of sharing the progress. (Information from yesterday) “Identical” to what? (And two words)
ypg schrieb:
"Identical" to what? (And two words)You just have to click the link in #57... 😉 It’s about "utility room room without a window"
E
erazorlll6 Jun 2021 20:40i_b_n_a_n schrieb:
A year has passed by now; how is the current construction progress – or have you already moved in? Thanks for asking. We would love to be living in the house already, but unfortunately, everything is taking much longer than expected.
Here is a brief timeline:
August 2020 – Building permit application submitted
February 2021 – Building permit granted (yes – nearly 6 months later, and this in the beautiful state of Baden-Württemberg with a legal deadline of 3 months) => Summary here
March 2021 – Start of working drawings
June 2021 – Expected start of construction
At first, the building authority took a lot of time and requested additional documents or changes from us twice. We expected the permit within 3 months but had to wait twice as long. Then, before our permit was approved, the contractor received approvals for several other building projects and had a lot of work at the same time. Because of that, the working drawings took more than 3 months to complete.
There was a change in the building permit compared to the original application, which had to be addressed later (with some technical challenges). The entire wastewater system planning was also complicated because our bathrooms are not stacked vertically. On top of that, a few changes occurred in the last 6 months that we wanted to implement. For example, we recently decided to add a laundry chute at short notice.
The plans are currently with the structural engineer, electrician, and plumber. We hope to receive feedback from each within the next 1–2 weeks and then gradually begin construction. I was aware this process would take time, but after more than a year, I’m starting to get impatient.
As soon as the plans are finalized and returned, I’ll be happy to share them here. We have made a few changes compared to the plans in the first post.