ᐅ Structural Engineer vs. Architect

I also forgot to include my winking smiley [emoji6]

And what kind of costs are we talking about here for a single-family house, considering only the approvable plan without construction supervision?

Please keep in mind that a good architect can create a well-designed (and functional) floor plan. This can save a significant amount of money due to a more efficient layout.

The first conversation with a structural engineer:
“Did you bring a floor plan? I can build that...”

Especially in phases 1 to 4, it is truly possible to save money, and these phases should be carefully planned.

For a single-family house, these are matters for negotiation, but theoretically dependent on the cost of the project and the HOAI, typically around 10,000 euros for a standard house.

MIA_SAN_MIA__ schrieb:
And what costs [...] are we talking about for a single-family house in each case?

This is defined by the official fee structure for architects and engineers (HOAI), which depends on the project (a more expensive, larger house costs more; also whether it is detached or fitted into a gap in the building line makes a difference).

Simply put: more expensive house, higher planning costs.

The most expensive architect is the one you try to "save" on.

MIA_SAN_MIA__ schrieb:
(only the permit-ready plan without construction supervision)

As far as I know, only the architect is obligated to provide you with the "permit-ready plan."

Lumpi_LE schrieb:
Is negotiable for a single-family house,

Yes, the HOAI is a framework; negotiating is allowed.

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Is there a rough estimate for a typical detached single-family house of about 190 sqm (2,045 sq ft) with a basement?

I am currently focusing on these basic questions, but I am also interested in the cost to eventually be able to prepare a budget plan.