Hello everyone,
We are currently planning the construction of our house and many questions keep coming up.
Our plot (approximately 770 m² (8,293 ft²)) is on a slope, which, based on quite a bit of reading, leads us to consider building our house with a basement, as we would rather not have to dig the house into the hill and look out onto an earth wall. I have attached some excerpts from the development plan.
The plot is rather elongated (about 20 m (66 ft) wide and 40 m (131 ft) deep) and slopes upward from the street. According to the Geoportal Hessen, we have an elevation difference of about 3 m (10 ft) over the 40 m (131 ft) depth.
Our first thought was: "Well, then we’ll just build with a basement." However, after examining the specific height specifications from the development plan, the eaves height of 5 m (measured from the street’s road surface edge, the highest point, measured vertically in front of the building center) might cause an issue. With the 5 m eaves height limit, wouldn’t we have to embed about half of the basement underground?
Our idea was that the basement (lower ground floor) would be level with the street at the front, allowing direct access from there, and at the back, the living area (ground floor) would have level access to the garden.
How do you assess the dimensions and requirements in the development plan?
Over the weekend, we visited a model home exhibition in Bad Vilbel and spoke with a representative from Fingerhaus, who suggested a kind of compact basement with access only from the outside, not from inside the house. Does anyone know this type of basement or have experience with it? Would it also be possible to build a “regular” basement in that case?
We roughly calculated the costs:
House (turnkey) according to Fingerhaus (Type Sento B): about 300,000€
Foundation + walls: about 20,000€
Additional features: about 50,000€
Basement + incidental building costs: about 80,000€
Do you consider these figures roughly realistic?
Can anyone recommend building companies from the Mittelhessen (Central Hesse) region? Can construction companies provide cost estimates based on the available data, or do we first need a soil survey and precise height measurements?
So many questions, but you have to start somewhere.
Thank you very much in advance for any tips or answers!
We are currently planning the construction of our house and many questions keep coming up.
Our plot (approximately 770 m² (8,293 ft²)) is on a slope, which, based on quite a bit of reading, leads us to consider building our house with a basement, as we would rather not have to dig the house into the hill and look out onto an earth wall. I have attached some excerpts from the development plan.
The plot is rather elongated (about 20 m (66 ft) wide and 40 m (131 ft) deep) and slopes upward from the street. According to the Geoportal Hessen, we have an elevation difference of about 3 m (10 ft) over the 40 m (131 ft) depth.
Our first thought was: "Well, then we’ll just build with a basement." However, after examining the specific height specifications from the development plan, the eaves height of 5 m (measured from the street’s road surface edge, the highest point, measured vertically in front of the building center) might cause an issue. With the 5 m eaves height limit, wouldn’t we have to embed about half of the basement underground?
Our idea was that the basement (lower ground floor) would be level with the street at the front, allowing direct access from there, and at the back, the living area (ground floor) would have level access to the garden.
How do you assess the dimensions and requirements in the development plan?
Over the weekend, we visited a model home exhibition in Bad Vilbel and spoke with a representative from Fingerhaus, who suggested a kind of compact basement with access only from the outside, not from inside the house. Does anyone know this type of basement or have experience with it? Would it also be possible to build a “regular” basement in that case?
We roughly calculated the costs:
House (turnkey) according to Fingerhaus (Type Sento B): about 300,000€
Foundation + walls: about 20,000€
Additional features: about 50,000€
Basement + incidental building costs: about 80,000€
Do you consider these figures roughly realistic?
Can anyone recommend building companies from the Mittelhessen (Central Hesse) region? Can construction companies provide cost estimates based on the available data, or do we first need a soil survey and precise height measurements?
So many questions, but you have to start somewhere.
Thank you very much in advance for any tips or answers!
H
Hausi19095 Feb 2020 09:41Thank you for your answers and tips!
Yes, that’s roughly what we had in mind. Thanks for the example calculation! That really helps to calm our concerns.
Which software did you use to create or plan your floor plans including the elevation profile?
kaho674 schrieb:
Unfortunately, I can’t understand the panic.
Assuming a 5m (16 feet) distance from the street and a consistent slope as stated, with a 10m (33 feet) house depth:
You lose 0.375m (15 inches) in height over the first 5 meters, then you add 0.35m (14 inches) of fill so the rooms at the back don’t end up below ground level. Let’s round that up to 0.75m (30 inches). Then, according to my calculation:
5m (16 feet) − 0.75m (30 inches) = 4.25m (14 feet), minus 2.90m (9 feet 6 inches) floor-to-ceiling height (0.30m (12 inches) slab thickness + 2.60m (8 feet 6 inches) ceiling height) leaves a knee wall height of 1.35m (53 inches). That’s a very good standard for a one-and-a-half-story house! You can comfortably place a bed under the sloped ceiling.
Have I missed something, or why are the 5 meters such a big deal?
Yes, that’s roughly what we had in mind. Thanks for the example calculation! That really helps to calm our concerns.
Which software did you use to create or plan your floor plans including the elevation profile?
H
hampshire5 Feb 2020 10:41Hausi1909 schrieb:
Which software did you use to create or plan your floor plans including elevation profiles? Software: the mind of our architect.
You are already reaching the limits of your imagination. It is unlikely that you can create a good design for a house on a "three-dimensional" plot by yourself. Investing in an architect or professional is money well spent.
kaho674 schrieb:
Unfortunately, I can’t understand the panic.No one is spreading panic, and 5 meters (16 feet) isn’t dramatic either. But the floor plan shows that 5 meters (16 feet) does impose some limitations. For a terrace, quite a bit of excavation will be needed.
Wouldn't this plot be perfect for a split-level house?
The children's room could have knee walls with built-in cupboards. This creates storage space for toys, and children often notice sloping ceilings less. A loft could also be added above the sleeping area.
However, a split-level design really calls for a skilled architect, not just a prefab house designer.
The children's room could have knee walls with built-in cupboards. This creates storage space for toys, and children often notice sloping ceilings less. A loft could also be added above the sleeping area.
However, a split-level design really calls for a skilled architect, not just a prefab house designer.
Maybe the building authority would allow the eaves height to be 5m (16 feet) on the street side and slightly higher towards the garden. Then, a staggered shed roof could be used.
The house is from Laux Prefab Construction – I found it via Google Image Search (split-level staggered shed roof).
The house is from Laux Prefab Construction – I found it via Google Image Search (split-level staggered shed roof).
RomeoZwo schrieb:
Maybe the building authority would allow the eaves height to be 5m (16 feet) on the street side and a bit higher on the garden side. The roof could be an offset mono-pitched roof.
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[ATTACH alt="Split-Up_Galerie2_1600x909.jpg"]42693[/ATTACH]
The house is from Laux Prefabricated Construction – I found it through a Google image search (split-level offset mono-pitched roof). My children would immediately ask, “Dad, can we install a slide inside?”
Visually, it looks fine though!
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