Offer architect house 150sqm / 750 thousand €

Is the property included in that? Those things can notoriously also become terribly expensive.

The offer is WITHOUT land, Bauhaus style. Cubic cube with recessed double garage and flat roof. Interior fittings of a high standard - mind you, NOT luxury. The architect's fee is about 75 thousand euros and is included in the offer price - complete architectural service incl. construction supervision. Your feedback confirms my assessment - thank you very much! I will look for another architect....

complete architectural service including construction supervision.

So what now: service phases 3 and 4 or including construction supervision? What about phases 1 and 2, and why does an architect offer a house? - that sounds like an architect-contractor hybrid who just drafts your design and builds it.

Fee zone 3 to 4 and service phases 1 to 9 would be the basis for his fee

The fee is fine so far. At least based on the mentioned amount. What amount did you assume?

....I had calculated with €3000/sqm plus architect