Removing or graveling, which is more cost-effective?

  • Erstellt am 2023-07-30 16:39:30

KaraiKa

2023-07-30 16:39:30
  • #1
Hello everyone,

what is generally more cost-effective when planning a plot with a slight slope: rather excavating soil or adding fill? Considering that by excavating, there will then be about a 1.5 m step in the garden, for which a retaining wall would still need to be planned.

we are planning a small single-family house on a slab foundation.
Thank you very much in advance
 

rick2018

2023-07-30 17:01:14
  • #2
Retaining wall plus disposal certainly more expensive. Especially since there is also the disadvantage of the stairs, which also cost money.
 

xMisterDx

2023-07-30 17:44:17
  • #3
Aha. So if you gravel a hillside property by 1.5m, you will certainly have to fall there as well. Apart from that, the question arises whether you are even allowed to raise it by more than x cm. Development plans often specify how many cm the top edge of the finished floor level may be below or above street level.
 

ypg

2023-07-30 21:03:34
  • #4
What kind of individual questions are these?! I answer a post about KS in relation to restrictions in the development plan, and then here comes a slope question. What is a "gentle slope"? It's hard to give advice with so many unknowns. Maybe you should just post your entire project here to be able to look at it as a whole?!
 

WilderSueden

2023-07-31 09:31:53
  • #5
Depending on the slope, a basement or hillside house can also offer the best price-performance ratio. By the way, filling and excavation are not necessarily mutually exclusive; one can remove some material at the top and fill at the bottom. When considering this, don’t forget the issue of water. In case of heavy rain, it is generally advantageous to have door openings significantly above ground level.
 

11ant

2023-07-31 21:07:14
  • #6
But that is a planning mistake. According to the 11ant basement rule, the avoided basement would cost about three quarters of a built basement here. Keep looking for a plot suitable for this building requirement. Or if the plot has already been purchased, plan for a partial residential basement. Half a meter of height difference under the house foundation is still a "slight" slope – three half meters definitely are no longer.
 

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