ᐅ Single-family home with 135 sqm of living space plus basement including integrated garage and office
Created on: 24 Oct 2020 01:53
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DaniMartinez
Hello everyone,
we are currently in the planning phase and would like to share our floor plan with you:
Development Plan / Restrictions
Plot size: 557 sqm (6,000 sq ft approx.)
Slope: Yes (north-south gradient approx. 3.20 m (10.5 ft))
Floor space index: 0.4
Plot ratio: 0.5
Building setback, building line and boundary: 3 meters (10 ft) to neighboring property
Edge development:
Number of parking spaces: 1 garage, 1 parking space in driveway
Number of floors: 1.5 floors
Roof type: gable, hip, half-hip roof
Style: rather modern
Orientation: southwest
Maximum heights / limits: total height 6.20 m (20.3 ft), ridge height 11 m (36 ft)
Other requirements: urban villa not permitted
Homeowners’ Requirements
Style, roof type, building type: gable roof
Basement, floors: 1.5 floors plus basement
Number of people, ages: currently 2 adults (37+35 years), 1 child (3 years), and soon another child
Space requirement on ground floor and upper floor: almost 135 sqm (1,450 sq ft) in total
Office: family use or home office? home office
Annual number of overnight guests: few
Open or closed architecture: open
Conservative or modern construction: modern
Open kitchen, kitchen island: open kitchen, kitchen island not mandatory
Number of dining seats: 6-8
Fireplace: no
Music / stereo wall:
Balcony, roof terrace: balcony above the garage extension
Garage, carport: garage integrated in basement
Utility garden, greenhouse: no
Other wishes / special features / daily routine, including reasons why some things should or should not be included
House Design
Who designed the plan: a friend who is an interior designer
- Planner from a construction company: no
- Architect: no
- Do-it-Yourself: no
What do you particularly like? Why?: the open living-dining area facing south and the window seating in the dining area as well as the office with natural daylight
What do you dislike? Why?: we had the staircase changed because it did not fit (too small) ... I marked the new design with green lines as it is not yet available
Cost estimate according to architect/planner: according to planning firm: approx. €386,000 (without land (€78,000), landscaping, and kitchen – I could share the cost breakdown if allowed?)
Personal price limit for house including fittings: excluding additional costs and land: €400,000
Preferred heating system: geothermal (required by the municipality), photovoltaic system is desirable
If You Have to Give Up Something, which details/extras
- you can do without: balcony above the garage, garage in basement
- you cannot do without: office
Why does the design look like it does? For example:
We want to build as space-efficiently as possible and have tried to minimize hallway space. Due to the south-facing sloping site with a 3.20 m (10.5 ft) drop, we decided on a basement with integrated garage and office, as my wife is self-employed and works from home.
What is the most important/basic question about the floor plan in 130 characters?
How would you handle the slope? Garage in the basement or a carport next to the house? And what do you think of the layout?
Unfortunately, I was unable to upload the existing pdf files! So these lower quality screenshots for now!! I would appreciate if someone could tell me how to insert pdf files!
we are currently in the planning phase and would like to share our floor plan with you:
Development Plan / Restrictions
Plot size: 557 sqm (6,000 sq ft approx.)
Slope: Yes (north-south gradient approx. 3.20 m (10.5 ft))
Floor space index: 0.4
Plot ratio: 0.5
Building setback, building line and boundary: 3 meters (10 ft) to neighboring property
Edge development:
Number of parking spaces: 1 garage, 1 parking space in driveway
Number of floors: 1.5 floors
Roof type: gable, hip, half-hip roof
Style: rather modern
Orientation: southwest
Maximum heights / limits: total height 6.20 m (20.3 ft), ridge height 11 m (36 ft)
Other requirements: urban villa not permitted
Homeowners’ Requirements
Style, roof type, building type: gable roof
Basement, floors: 1.5 floors plus basement
Number of people, ages: currently 2 adults (37+35 years), 1 child (3 years), and soon another child
Space requirement on ground floor and upper floor: almost 135 sqm (1,450 sq ft) in total
Office: family use or home office? home office
Annual number of overnight guests: few
Open or closed architecture: open
Conservative or modern construction: modern
Open kitchen, kitchen island: open kitchen, kitchen island not mandatory
Number of dining seats: 6-8
Fireplace: no
Music / stereo wall:
Balcony, roof terrace: balcony above the garage extension
Garage, carport: garage integrated in basement
Utility garden, greenhouse: no
Other wishes / special features / daily routine, including reasons why some things should or should not be included
House Design
Who designed the plan: a friend who is an interior designer
- Planner from a construction company: no
- Architect: no
- Do-it-Yourself: no
What do you particularly like? Why?: the open living-dining area facing south and the window seating in the dining area as well as the office with natural daylight
What do you dislike? Why?: we had the staircase changed because it did not fit (too small) ... I marked the new design with green lines as it is not yet available
Cost estimate according to architect/planner: according to planning firm: approx. €386,000 (without land (€78,000), landscaping, and kitchen – I could share the cost breakdown if allowed?)
Personal price limit for house including fittings: excluding additional costs and land: €400,000
Preferred heating system: geothermal (required by the municipality), photovoltaic system is desirable
If You Have to Give Up Something, which details/extras
- you can do without: balcony above the garage, garage in basement
- you cannot do without: office
Why does the design look like it does? For example:
We want to build as space-efficiently as possible and have tried to minimize hallway space. Due to the south-facing sloping site with a 3.20 m (10.5 ft) drop, we decided on a basement with integrated garage and office, as my wife is self-employed and works from home.
What is the most important/basic question about the floor plan in 130 characters?
How would you handle the slope? Garage in the basement or a carport next to the house? And what do you think of the layout?
Unfortunately, I was unable to upload the existing pdf files! So these lower quality screenshots for now!! I would appreciate if someone could tell me how to insert pdf files!
N
Nice-Nofret24 Oct 2020 16:58This plan looks livable and well thought out. What do you think?
DaniMartinez schrieb:
I will add a second floor plan shortly (this one is from an architect)!An extra quarter pound of measurements wouldn’t have hurt.https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
How much buffer do you have left? For the remaining work and the outdoor area? By remaining work, I mean, for example, there is still easily another €20,000 (about $21,500) needed for plumbing, a new platform staircase with a steel stringer and oak steps also costs around €20,000 (about $21,500), and so on.
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DaniMartinez24 Oct 2020 23:20Zaba12 schrieb:
How much contingency do you have? For the remainder and the landscaping? By remainder, I mean, for example, there's easily another €20,000 for plumbing, a new cantilevered staircase with steel stringers and oak treads also costs about €20,000, and so on. What should I budget for? I had actually estimated just under €2,000 per square meter plus the basement (€60,000)... so for 135 m² (1,452 sq ft) that would be €270,000 plus €60,000 for the basement... somehow this is turning into something else entirely!
Where did you get the numbers from the cost breakdown? You can figure out yourself that something doesn’t add up. Just the controlled residential ventilation system costs around €13,000-15,000 gross, depending on the plumbing contractor. Calculating €39,000 for three bathrooms, piping, and heating seems a bit odd. We have two bathrooms with good but standard fittings—no tiled shower or concealed fixtures—and ended up at €52,000 (the offer is now 3 years old).
Also, the €2,000 per square meter are figures I used 2-3 years ago. Nowadays, you should expect about €2,200-2,300 per square meter, and I seriously doubt the €60,000 estimate for the basement is realistic, considering its intended use. Maybe your calculation would improve if you also apply the €2,200 per square meter rate to the basement level.
Also, the €2,000 per square meter are figures I used 2-3 years ago. Nowadays, you should expect about €2,200-2,300 per square meter, and I seriously doubt the €60,000 estimate for the basement is realistic, considering its intended use. Maybe your calculation would improve if you also apply the €2,200 per square meter rate to the basement level.
I believe the error in the calculation lies in the basement. Those are habitable rooms in your case, right? So normal ceiling height, underfloor heating, electrical installations. Why should that be cheaper than your above-ground living space? You should rather assume 2000 euros per square meter (approximately $215 per square foot). A partly integrated garage is also not the most cost-effective solution. Thermal separation is necessary there. So generally, calculate every square meter of finished living space (including the basement) at 2000 euros + garage + additional construction costs + landscaping + kitchen / other fittings.
And your item 2 in the cost breakdown, which is labeled as shell construction + earthworks, will never be sufficient.
And your item 2 in the cost breakdown, which is labeled as shell construction + earthworks, will never be sufficient.
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