ᐅ Development Plan – Interpretation of Eave Height

Created on: 26 Jan 2020 20:43
S
schwerinbaut
S
schwerinbaut
26 Jan 2020 20:43
Hello Forum,

We are interested in a plot of land in a future residential development area. Our idea is a typical one-and-a-half-story single-family home with a pitched roof.

The development plan limits the eaves height to 3.50 meters (11 ft 6 in), defined as the distance between the top of the ground floor structural ceiling and the eaves.

In my understanding, the eaves are defined as the drip edge where the gutter is located.
Do you have any different interpretations of this point, and are one-and-a-half-story houses with knee walls not possible at all, with only bungalows allowed?

Extracts from the development plan are attached.

Geometric building drawing symbol with cross lines, triangle and labeling on red background


Height reference point: top of ground floor structural ceiling max 0.50 m (1 ft 8 in) above planned street level; eaves max 3.50 m (11 ft 6 in); ridge max 9.00 m (29 ft 6 in).
N
Nordlys
26 Jan 2020 22:26
Why? A ceiling height of 3.5 m (11.5 feet) is completely fine and quite normal in Nordic countries. With a ridge height of 9 m (29.5 feet), you can still have 5.5 m (18 feet). That should be enough for half a story. What exactly is your problem?
S
schwerinbaut
26 Jan 2020 22:39
Well, usually a point of the specified eave height is either the upper or lower edge of the roof covering. In that case, 3.50m (11.5 feet) would be rather low for a 1.5-story house...

I wonder whether I am reading this "to my advantage" or if the drip edge is actually meant.
kaho67426 Jan 2020 22:39
Nordlys schrieb:

What is your problem?
The knee wall height ends up somewhere around 50cm (20 inches). That seems to be the issue.

But it doesn't have to be, because in this case you can simply plan the ground floor slightly larger and build down the upper floor at about 1.30m (4 ft 3 inches) or so, creating a knee wall.

Wiki:
The eaves point (also eaves line) is the intersection between the vertical exterior surface (surface of the outer wall) and the roof covering.
The height between the eaves point and the ground level is called the eaves height.
N
Nordlys
26 Jan 2020 22:56
Exactly. Completely normal in northern Germany. Knee wall about half a meter (20 inches) high. We don’t build as lanky as they do in Hesse.
Such a house should be feasible then.

Two-story brick house with steep roof, white windows, entrance door, and garden path.
11ant27 Jan 2020 12:11
I have never come across this definition before, and it appears to be incorrectly formulated, meaning the terms are used inaccurately. What is apparently meant here is to use the top edge of the unfinished basement ceiling (which is practically referred to as the floor in the ground floor) as the reference point. It is more common to use the finished state of the same as a reference. The condition that this reference point should not be more than half a meter above the street surface is also standard practice. The same reference point in the attic is usually about 2.85 m (9 feet 4 inches) higher. Counting from there, there are practically still 65 cm (26 inches) of knee wall remaining up to the upper measuring point of the eave height. This point is always located where you would imagine the roof covering would exactly end at the intersection with the exterior wall surface. The gutter is only a romantic term in this context. In the picture posted by Karsten, I have marked this point; it is approximately at parapet height there, which is too high.

Two-story red brick house with a gray tiled roof, white windows, and garden.

https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/