Hello everyone, I have previously raised the topic of a partial basement/cellar for a building plot with a 19% slope.
Today, a homebuilder told us that, partly due to the high cost of building materials, it would now be more cost-effective to backfill the slope and then build the house on a slab foundation. This doesn’t quite make sense to me, since the backfill material must be supported somehow, for example, by a concrete wall. The sales representative said no, that the stabilized backfill is simply allowed to slope gradually and then planted, creating a new artificial slope.
What does the expert community in this forum think about this?
Today, a homebuilder told us that, partly due to the high cost of building materials, it would now be more cost-effective to backfill the slope and then build the house on a slab foundation. This doesn’t quite make sense to me, since the backfill material must be supported somehow, for example, by a concrete wall. The sales representative said no, that the stabilized backfill is simply allowed to slope gradually and then planted, creating a new artificial slope.
What does the expert community in this forum think about this?
S
sergutsch26 Apr 2022 19:03
askforafriend26 Apr 2022 19:07Exactly as I mean it. A basement below, and you can step out on the ground level downstairs.
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sergutsch26 Apr 2022 19:13askforafriend schrieb:
Exactly what I mean. Basement below and then you have direct ground-level access from the lower floor.But that is not the issue for the original poster. Of course, you can build on a slope with a lower level. However, in the lowest row in our area, hardly anyone builds with a basement anymore because it has become disproportionately expensive.S
sergutsch26 Apr 2022 19:15This should not turn into a pro and con discussion about basements. The original poster has asked a clear question.
askforafriend26 Apr 2022 19:45sergutsch schrieb:
is disproportionately expensive.That’s exactly my point. That just isn’t true. The picture clearly shows what else is coming in terms of the usability of your plot. The land is also charged per square meter (per square yard), and every unused part is wasted. Embankments, etc. But obviously, we are talking past each other. All good.
askforafriend schrieb:
That’s exactly what I’m getting at. That’s simply not true. In the picture, it’s clear what else is coming regarding the usability of your plot. The land costs money per square meter (square yard), and every unused part is a loss. Fill material and so on. But obviously, we’re talking past each other. No worries. I agree with you. A few houses down, one neighbor is the only one on the street who piled up a huge embankment. At the bottom, there are two staggered rows of massive natural stone blocks, and on top, the slope was cut quite steeply. He is losing about 6-7 meters (yards) of usable land lengthwise. With a 20-meter (22-yard) width and at least €350 per square meter ($) , that adds up to around €50,000 ($) that he spent and will never benefit from. Plus, these substantial terrain modifications.
All the other approximately 20 houses on the street built with (residential) basements and gardens below and require at most a 0.5-meter (1.5-foot) retaining wall or have gently sloping land.
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