ᐅ Clear ceiling height and window height. Provider’s standard: 262.5 cm
Created on: 7 Dec 2017 13:20
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chrisw81Hello, we are currently planning a house with a gable roof (38°) and are unsure about the ceiling height for the ground floor. The standard offered by our builder is a structural height of 262.5 cm (103.5 inches) / clear ceiling height of 246 cm (97 inches). The floor-to-ceiling windows are 226 cm (89 inches) tall. Now we are considering raising the ground floor by either 12.5 cm (5 inches) or 25 cm (10 inches). However, we also have a relatively high knee wall of 150 cm (59 inches) (possibly 137.5 cm (54 inches) might be an option or make more sense).
Here are the questions:
1) Will the eave height become too high overall with the increased room height and the high knee wall? On the long side, we have no windows on the upper floor (currently no strip windows either), so it will be a large closed area. Is there a way to visually break that up?
2) Do the windows need to be raised as well, or are 226 cm (89 inches) still suitable?
Additional info: Our living room (including dining and kitchen) is quite large (about 11.5 x 4 meters (38 x 13 feet)), so we are concerned that a low ceiling might feel oppressive, hence the idea of raising it.
Perhaps someone has experience with these ceiling heights and can offer some advice.
Thank you!
Here are the questions:
1) Will the eave height become too high overall with the increased room height and the high knee wall? On the long side, we have no windows on the upper floor (currently no strip windows either), so it will be a large closed area. Is there a way to visually break that up?
2) Do the windows need to be raised as well, or are 226 cm (89 inches) still suitable?
Additional info: Our living room (including dining and kitchen) is quite large (about 11.5 x 4 meters (38 x 13 feet)), so we are concerned that a low ceiling might feel oppressive, hence the idea of raising it.
Perhaps someone has experience with these ceiling heights and can offer some advice.
Thank you!
The heights of the upper edges of the windows should increase along with the ceiling heights; otherwise, the ceilings will logically reflect less daylight.
Room heights naturally affect the eaves heights as well. For knee wall heights, there are two possible limits, which sometimes apply simultaneously: the absolute eaves height and, if applicable, the relative height measured from the floor of the attic itself.
An open-plan space with a length-to-width ratio of 2.875:1 will look narrow and elongated—but not because of the height.
Room heights need to be clarified before working on the floor plan: since they affect the stairs, higher floor-to-floor heights require longer stair runs.
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
Room heights naturally affect the eaves heights as well. For knee wall heights, there are two possible limits, which sometimes apply simultaneously: the absolute eaves height and, if applicable, the relative height measured from the floor of the attic itself.
An open-plan space with a length-to-width ratio of 2.875:1 will look narrow and elongated—but not because of the height.
Room heights need to be clarified before working on the floor plan: since they affect the stairs, higher floor-to-floor heights require longer stair runs.
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
Thank you for your response.
It might be possible to separate the kitchen from the room with a partition wall, which would reduce the room size to 8 x 4 m (26 x 13 ft), likely a more common layout. Unfortunately, the plot requires a long rather than square-shaped house (12 x 8 m / 39 x 26 ft).
The only restriction for the building is the ridge height, which must not exceed 8.5 m (28 ft), according to the building authority.
An interesting point about daylight levels. Maybe someone has a house with approximately 2.7 m (9 ft) ceiling height and can share how the windows appear in that setting?
It might be possible to separate the kitchen from the room with a partition wall, which would reduce the room size to 8 x 4 m (26 x 13 ft), likely a more common layout. Unfortunately, the plot requires a long rather than square-shaped house (12 x 8 m / 39 x 26 ft).
The only restriction for the building is the ridge height, which must not exceed 8.5 m (28 ft), according to the building authority.
An interesting point about daylight levels. Maybe someone has a house with approximately 2.7 m (9 ft) ceiling height and can share how the windows appear in that setting?
chrisw81 schrieb:
Interesting point about daylight levels. Maybe someone has a house with around 2.7 meters (9 feet) ceiling height and can share how the windows look in that setting? It doesn’t really feel oppressive if the top of the windows isn’t raised higher. It’s more like thick eyebrows or a hat pulled down over your face. My comment about the height of the lintels is meant to say this: light doesn’t only come directly from the sun but also bounces off the surroundings before reflecting into the room. If the lintels create a higher “threshold” compared to the ceiling, they shade the ceiling in this sense. You can’t paint the ceiling any whiter, and applying a mirror finish is not really an option. So, the ceiling reflects less light into the room. This is clearly measurable, but it doesn’t necessarily create a noticeably darker feeling.
Keep in mind that for floor-to-ceiling windows, once the frame height exceeds about 2.4 meters (8 feet), some manufacturers consider the profiles to be custom-made and charge significantly more. Usually, you wouldn’t exceed this height even with higher ceilings, so just something to keep in mind.
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
11ant is correct. However, you have to consider that a window height of 2.20 m (7 ft 3 in) is already the maximum for ceilings that are 2.40 m (7 ft 10 in) high if a roller shutter is also desired above. In a way, this is complaining on a high level and far from being a real disadvantage in the room.
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