ᐅ Is a Reserved Plot Suitable for Construction?

Hello everyone,

After reading for a while, I’m finally stepping out of the shadows.
We have reserved a plot of land (BW). Nice size, somewhat expensive, with an old development plan.
This makes things a bit complicated.

Therefore, my (somewhat provocative) question to the experts: In your opinion, is this plot reasonably suitable for building, or would it be better to wait for another plot?

Current situation: Living in a single-family rental house in the same area. Visited model home parks, had informal talks about wishes, collected housing ideas.
For this plot and development plan, a local architect would be our first contact. This has not happened yet, due to doubts about whether this plot is suitable.

No firm decisions yet on construction method, floor plan, etc.; 140m² (1,507 sq ft) would be nice, 5-6 rooms, rest open for now.
Budget: approximately 600,000€ excluding land and additional building costs.

Plot 257/3
* approx. 722m² (7,770 sq ft)
* approx. 3m (10 ft) elevation difference

Development plan 11_35 Auf der Ay Gönningen
* Maximum building length 14m (46 ft)
* Maximum building depth 12m (39 ft)
* Single-family house or base unclear
* SD 35-28
* Maximum eaves height 3.75m (12 ft) above ground floor slab
* Maximum ridge height 6.25m (20.5 ft) above ground floor slab
* See images for further details

Due to the limited ridge height and slope, the only idea I have is an elevated basement + 1.5 stories. However, I am not sure if that is even allowed.

Thank you very much for any input.

The ridge height indication for the two-story house (which unfortunately is not suitable for this plot) measured from the top edge of the finished upper floor has caught my attention, as I have never seen it presented this way before. Unfortunately, I cannot see how high the ground floor level might be above the street here. However, I assume that something can be worked out given the general conditions. The slope runs roughly diagonally, so a square floor plan or a house axis oriented lengthwise or widthwise would make little difference. Perhaps @hanghaus2023 will have time to discuss the details with you.

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North-facing slope. What are the dimensions of the building plot? Is it allowed to place the garage on the property boundary?

If I understand correctly, you are allowed to build a basement that legally does not count as a full story, but that extends slightly outward at the front. This would allow for living space or habitable rooms with windows there, while the height of the ground floor’s finished floor level determines the height of the eaves.

With a 722 m² (7,774 sq ft) plot and a floor area ratio of 0.3, I would build without a basement and try to manage the height difference in another way, perhaps sticking to a single-story house with a stylish pitched roof or maybe a staggered shed roof. With a staggered shed roof, you can use a third gable on the south side to channel natural light into the northern side.

Le_tableau schrieb:

So here is my (somewhat provocative) question for the experts. In your opinion, is this plot of land suitable for building, or would it be better to wait for another plot?

Of course, it is suitable for building. You just need a designer or planner who knows how to work with the zoning plan. Split-level design might be an option.

ypg schrieb:

If I understand correctly, you can build a basement that legally does not count as a full story, but it protrudes slightly at the front, allowing for living space or habitable rooms with windows there. Then, the height of the ground floor’s finished floor level determines the height of the eaves.
With 722 sqm (7,770 sq ft) and a floor area ratio of 0.3, I would build without a basement and try to gain the height difference in another way, sticking to a single-story house with a nice pitched roof or perhaps a staggered shed roof. With a staggered shed roof, you can direct light from the third gable on the south side to the north.

Thanks for the input. I can’t find any reference to the “height position of built structures” or any indication of the reference point for the established ground floor finished floor level in the development plan. That would affect how far the basement can protrude, correct?
How is it handled if this information is missing? Isn’t it always supposed to be defined?
I have already contacted the building authority. For the neighboring development plan, the rule is: “For new buildings, the ground floor finished floor level may be no more than 0.8 m (2.6 ft) above the average roadway elevation of the access street.” Although this doesn’t really help here.
A pitched roof is mandatory.