Hello everyone,
Is it possible to roughly estimate the additional costs involved in planning a knee wall instead of a dormer wall?
Could you provide approximate cost differences for the following examples:
Single-family house
Gable roof
Dormer wall
45-degree roof pitch
Vs
Single-family house
Gable roof
Knee wall 80cm (31 inches)
45-degree roof pitch
For example, +5000€ more?
Vs
Single-family house
Gable roof
Knee wall 1.60m (5 feet 3 inches)
35-degree roof pitch
For example, +10000€ more?
The other key data, such as the exterior dimensions of the house, should remain the same in all three examples (except for the living space, which would naturally increase with a higher knee wall).
Is it possible to roughly estimate the additional costs involved in planning a knee wall instead of a dormer wall?
Could you provide approximate cost differences for the following examples:
Single-family house
Gable roof
Dormer wall
45-degree roof pitch
Vs
Single-family house
Gable roof
Knee wall 80cm (31 inches)
45-degree roof pitch
For example, +5000€ more?
Vs
Single-family house
Gable roof
Knee wall 1.60m (5 feet 3 inches)
35-degree roof pitch
For example, +10000€ more?
The other key data, such as the exterior dimensions of the house, should remain the same in all three examples (except for the living space, which would naturally increase with a higher knee wall).
KaraiKa schrieb:
Is it possible to roughly estimate the additional costs of planning a knee wall instead of a dwarf wall? From your thread history, it seems you believe that searching for parametric "codes" will lead you to wisdom or at least some significant eureka moments. Trust an old druid: that won’t work. And if you want to surprise me, then show me a case where a dwarf wall would be the better choice (if you even have one). Where knee walls are allowed, I wouldn’t use a dwarf wall (the only exception: occasionally in addition to the knee wall, for example in areas with toilets or bathtubs or showers in sloped-roof bathrooms).
KaraiKa schrieb:
Is it possible to estimate the cost differences for the following examples:
Single-family house with gable roof
Dwarf wall with 45-degree roof pitch
vs
Knee wall 80cm (31.5 inches) with 45-degree roof pitch
vs
Knee wall 160cm (63 inches) with 35-degree roof pitch Seriously? No. Your comparison is textbook mistaken, mixing apples and oranges ;-)
I recommend checking the following four sources (the fourth one is the same everywhere): https://www.hausbau-forum.de/threads/umfrage-satteldach-kniestockhoehe.42017/#post-544815 as well as https://www.hausbau-forum.de/threads/vorschriften-bebauungsplan-doppelhaushaelfte.42401/#post-552841 and https://www.hausbau-forum.de/threads/kniestockhoehe-bei-schleppdachgaube.45203/#post-623471
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