Hang property, catch carport

Is that a 34? Or is there a development plan?

Who approved the neighbor's garage at the border? It's easily 5 m high.

I have no idea who approved that. Border construction of garages is provided for in the development plan, but aside from that, the ramp into his garage is so steep that he revs his engine insanely high and probably always destroys the clutch while parking. Totally stupid if you ask me. He always needs 5 minutes for it..... The main thing is that the garage has access to his raised ground floor...

Are they hiding the yellow shed at the border from you in the surveyor’s plan? The neighbor's house surely has a livable basement, right? This isn’t just about the retaining wall. Or do you really want to build your ground floor at street level?

The shed is missing in the surveyor’s plan, that’s true. I don’t see that as a huge problem right now. The basement in the neighbor’s house looks from the outside like it’s just utility rooms/cellar. Next to the yellow shed there is a door, which is really small, maybe about 180 cm tall. I don’t think anyone wants to live down there.

Yes, the ground floor is supposed to be at street level so that you can enter the house from the street and the carport without steps. So we will probably need a slight incline of the terrain from the street up to the house. But steps must be strictly avoided.

It’s not just about the retaining wall, also a bit about the surroundings, for example how to connect to the neighbor's garage and how to do the water cooling at that spot.

As the OP plans it, the retaining wall will only be 1 m high and the excavation from the basement used for the backfill. Where is the terrace supposed to go?

I think the wall will be more like 1.5 to 2 meters. The terrain behind the basement also still needs to be slightly lowered/removed so that you can easily access the basement which is meant to be converted into living space later. I’ll attach a picture of the preliminary garden plan to make it clearer.

So you can then enter the basement directly at ground level from the back garden, which should have a room height of 2.4 m after screed installation. The height difference from the street to the meadow back there is currently a bit more than two meters. Therefore we need to gain about 60 cm somewhere. These come from a combination of raising the single-family house a bit and lowering the meadow/terrain behind the house. I hope the idea is understandable.... Terrace directly behind the house in the garden and possibly a small terrace in the front garden southeast.

The wall stones are practical but not particularly cheap at 200/sqm net. I have an offer from the landscape gardener for retaining walls made of Muschelkalk at around 200-220,-/sqm ready installed. Do they have any other advantages besides the planting (for me as the client and not as the wall builder)

Here is a food for thought. The wall is supposed to stabilize the terrace. at ground floor level.
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or like this?

The wall bricks are practical, but at 200/sqm not particularly cheap. I have an offer from the landscaper for retaining walls made of shell limestone at around 200-220,-/sqm, fully installed.

Do they have any other advantages besides the planting (for me as the builder and not as the wall builder)?

You can absorb a pressure of up to 5 kN per m² without a concrete foundation, up to a height of 8 meters without a concrete foundation. Also, the wall stones are reusable like Lego bricks if you want to remodel at some point.

Here’s a food for thought. The wall is supposed to secure the terrace at ground floor level.


or like this?

The first idea would work, but then you would still have to catch the neighbor’s side and also to the north. That means instead of one, three retaining walls or even a complete platform would be necessary, which would be even more expensive. Also, window area is lost in the garden floor, and the rest of the windows get even less light from the west.

I had already planned the second idea as well. But it didn’t suit us regarding the room layout on the ground floor. We have now invested about two years in the floor plan and don’t want to change it fundamentally. From the carport, you enter our storage room through a side door and from there into the kitchen. If we put it on the other side, all rooms would have to be moved elsewhere. Even a simple mirror image does not give the desired result.

What do you think about the costs? Is a concrete wall with an attached foundation, if the basement builder does it at the same time, cheaper to realize than a stone wall with large stone blocks from just another company?

I haven't seen any floor plans yet?
By the way, your basement level. 534m? The terrace then below?
Are you allowed to build a carport on the street side?
Is it now a development plan? Or a 34er?