ᐅ Costs of Raft Foundations – Experiences?

Created on: 10 Feb 2023 20:10
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Narnulf1368
Hello everyone,

We are currently planning our house, and according to the soil report, it looks like we will need a well foundation. Initial research shows this could add at least €10,000 (around $11,000) in additional costs.

Has anyone had experience with this? Especially the pricing would be interesting.

We plan for a 120 m² (1,290 sq ft) footprint plus 60 m² (645 sq ft). For the garage, we have a quote of €15,000 (about $16,500) for the related concrete slab and another €15,000 for the garage itself (excluding the door).

According to the report, a slab foundation would be possible if we include a basement. Now I’m considering possibly building a basement to avoid the well foundation.

The idea is, instead of paying €30,000 (around $33,000) for the garage plus at least €10,000 for the well foundation, to invest the money in a basement. I have requested a quote for that and expect it early next week. But I wanted to ask here beforehand if this is a completely dumb idea.

Good luck and thanks in advance!
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Narnulf1368
27 Feb 2023 14:24
It took some time, but I now have a second expert report. This expert was recommended to me by the architect.

I am still waiting for a third quote and hope it will arrive this week.
Baukostenaufstellung mit Positionen, Mengen und Preisen; Gesamtsumme 1.650,00 €