ᐅ Single-family home with 190 sqm – What do you think of the design? Any feedback?
Created on: 21 Aug 2018 07:37
H
HausBW
Hello, we would appreciate some suggestions and tips. This is the first draft, so there is certainly room for improvement. Thank you.
Attached are the details:
Development plan / restrictions
Plot size approx. 600 sqm (6,458 sq ft)
Slope - 10% incline
Site coverage ratio 0.35
Floor area ratio 0.5
Building envelope, setback, and boundary 15 x 15 m (49 x 49 ft)
Number of parking spaces 2
Number of stories 2
Roof type FD
Maximum height 6.30 m (20.7 ft)
Client requirements
Style, roof type, building type
Basement, number of floors: rather no
Number of occupants, age: 2, approx. 35 years
Space requirements on ground floor and upper floor
Office: family use or home office? Home office
Overnight guests per year: no idea
Open or closed architecture: open
Conservative or modern construction: modern
Open kitchen, kitchen island: rather yes
Number of dining seats: 6
Fireplace: no
Music/stereo wall: possibly
Balcony, roof terrace: no
Garage, carport: both
House design
Planner: DIY
Estimated cost according to architect/planner: 450,000 euros (house including ancillary costs)
Preferred heating system: air-to-water heat pump with underfloor heating
Why is the design the way it is now? Previously lived in an old building with 3.5 m (11.5 ft) ceiling height and very large rooms; tried to replicate the room sizes at least partially; bedroom is deliberately located on the south side for a better view
Attached are the details:
Development plan / restrictions
Plot size approx. 600 sqm (6,458 sq ft)
Slope - 10% incline
Site coverage ratio 0.35
Floor area ratio 0.5
Building envelope, setback, and boundary 15 x 15 m (49 x 49 ft)
Number of parking spaces 2
Number of stories 2
Roof type FD
Maximum height 6.30 m (20.7 ft)
Client requirements
Style, roof type, building type
Basement, number of floors: rather no
Number of occupants, age: 2, approx. 35 years
Space requirements on ground floor and upper floor
Office: family use or home office? Home office
Overnight guests per year: no idea
Open or closed architecture: open
Conservative or modern construction: modern
Open kitchen, kitchen island: rather yes
Number of dining seats: 6
Fireplace: no
Music/stereo wall: possibly
Balcony, roof terrace: no
Garage, carport: both
House design
Planner: DIY
Estimated cost according to architect/planner: 450,000 euros (house including ancillary costs)
Preferred heating system: air-to-water heat pump with underfloor heating
Why is the design the way it is now? Previously lived in an old building with 3.5 m (11.5 ft) ceiling height and very large rooms; tried to replicate the room sizes at least partially; bedroom is deliberately located on the south side for a better view
HausBW schrieb:
450k for 190sqm (2,046 sqft) is almost 2400€ per sqm. Isn't that within the usual range mentioned here? Yes, it is, but the usual range assumes a flat site. So if there’s already an extra 100k set aside for the slope, that’s fine. - Well, maybe not the layout yet – but in that case, I would recommend hiring an architect right away. For this level of investment, it’s not worth cutting costs there.
M
Matthew0321 Aug 2018 15:07Construction started on 14.11.17, move-in on 01.07.18. There wasn’t really a formal contract in the strict sense; we just countersigned the written offer from June 17 sometime after the shell structure was completed.
Although I consider our general contractor to be fairly priced and would therefore use the often-mentioned 2000 per square meter as a basis, I still think 2,400 is quite a bit higher... but it makes sense, Munich is expensive. If the original poster roughly states their building location, we can know more.
Although I consider our general contractor to be fairly priced and would therefore use the often-mentioned 2000 per square meter as a basis, I still think 2,400 is quite a bit higher... but it makes sense, Munich is expensive. If the original poster roughly states their building location, we can know more.
HausBW schrieb:
The staircase is planned at 3.90m (12.8 feet) – is that too short?No, I must have missed two boxes there.
Zaba12 schrieb:
So for the 22m (72.2 feet) there is a height difference of 2.2m (7.2 feet).Or on the 10 meters (32.8 feet) a height difference of 1.00 meter (3.3 feet)... I think with a clever floor plan you can stay with two floors. But here, completely different details are the focus, such as hillside construction, smart layout, structural engineering, etc.
HausBW schrieb:
Maximum heights 6.30m (20.7 feet)That means the lower level has to be buried… or something? Otherwise it will be tight.
A conservatory or sunroom is also not simple under the energy saving regulations. There are certainly many things to consider that we non-experts wouldn’t even think of.
Thermal insulation comes to mind… but also a high effort to comply with the energy saving standards when you have many windows. That can quickly become disproportionately expensive.
HausBW schrieb:
Overnight guests per year: No ideaHmm… then none!
At the moment, what’s missing in the sketch is seriousness.
I have a different opinion regarding the costs.
Our plot has an elevation increase of 3m (10 feet) over a length of 27m (89 feet) from the street. Our excavation volume is about 800m³ (1,050 cubic yards), of which approximately half will be used for backfilling.
We are building with a basement, and we have contracted the earthworks, including landscaping of the plot, gravel work, etc., for 20,000€. Comparable quotes went up to over 35,000€.
190m² (2,045 sq ft) for 450,000€ is feasible with an architect.
Our plot has an elevation increase of 3m (10 feet) over a length of 27m (89 feet) from the street. Our excavation volume is about 800m³ (1,050 cubic yards), of which approximately half will be used for backfilling.
We are building with a basement, and we have contracted the earthworks, including landscaping of the plot, gravel work, etc., for 20,000€. Comparable quotes went up to over 35,000€.
190m² (2,045 sq ft) for 450,000€ is feasible with an architect.
No one disputes the 20-30k€ for the position you mentioned.
However, with a slope of over 2m (6.5 feet), a basement is a good option. If the original poster wants to keep their 190sqm (2,045 sqft), this will be an additional cost. That’s how the total can exceed 100k€. If not, and they want a 1-2m (3-6.5 feet) thick concrete slab, additional costs of at least a quarter of the basement cost will apply (if not more). With a basement, the living space can be smaller and the costs more manageable. Without a basement on a slope is not a good option.
Either you dig the house into the slope and your ground floor is like a walk-out basement, or the slab is roughly at street level and 1-2m (3-6.5 feet) thick.
However, with a slope of over 2m (6.5 feet), a basement is a good option. If the original poster wants to keep their 190sqm (2,045 sqft), this will be an additional cost. That’s how the total can exceed 100k€. If not, and they want a 1-2m (3-6.5 feet) thick concrete slab, additional costs of at least a quarter of the basement cost will apply (if not more). With a basement, the living space can be smaller and the costs more manageable. Without a basement on a slope is not a good option.
Either you dig the house into the slope and your ground floor is like a walk-out basement, or the slab is roughly at street level and 1-2m (3-6.5 feet) thick.
ivenh0 schrieb:
I have a different opinion about the costs.
Our plot rises 3m (10 feet) over 27m (89 feet) from the street. Our excavation is about 800m3 (28,250 cubic feet), around half of which will be filled back.
We are building with a basement, and we agreed on 20k for earthworks including landscaping the plot, gravel work, etc. Comparable offers went over 35k.
190sqm (2,045 sqft) for 450,000€ is feasible with an architect
HausBW schrieb:
at least try to recreate the rooms partially; Then take a look at the actual apartment – at least as a drawing exercise, but maybe also as inspiration for the other participants (?)
Zaba12 schrieb:
Four plots down, a neighbor built without a basement, and the foundation slab is about 2m (6.5 ft) thick. Maybe saved around 20,000–30,000€. Which East Frisian joke was mistranslated into Bavarian here? Considering the savings, you almost have to say “charging extra for being twisted.”
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