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Hausi19093 Feb 2020 16:22Hello 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!
Hausi1909 schrieb:
With a 5m (16 feet) eaves height, we would have to dig the basement in about halfway, right?Yes.Hausi1909 schrieb:
How do you assess the dimensions in the building plan / planning permission?The neighboring plots are already developed. You can check how they solved it there. But a 5m (16 feet) eaves height with this terrain is really inconvenient.
A 3m (10 ft) height difference over 40m (131 ft) doesn’t seem too significant to me. Is there a steeper slope somewhere else on the building site? Otherwise, that would mean a 75cm (30 inches) difference over a 10m (33 ft) house. In that case, I would probably cut back 30cm (12 inches) at the rear and build up 35cm (14 inches) at the front, rather than spending 100K on a basement.
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Hausi19093 Feb 2020 17:53Thank you for your replies! Yes, the eaves height is currently causing us the most concern.
This part of the development plan was only added later. In the older section, the eaves height is measured from the highest cut point of the natural ground. That would have been better for us as well :-/.
Yes, digging out and filling in would of course be another option. No, the slope is quite even.
What is the most accurate way to determine the heights in order to plan everything better?
This part of the development plan was only added later. In the older section, the eaves height is measured from the highest cut point of the natural ground. That would have been better for us as well :-/.
Yes, digging out and filling in would of course be another option. No, the slope is quite even.
What is the most accurate way to determine the heights in order to plan everything better?
Hausi1909 schrieb:
How can I most accurately determine the elevations to better plan the whole project?Surveyor?Some states have an online geoatlas. In Saxony, you can also query elevations. You could try searching to see if there’s something available in your area.
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