To what extent is the result of our expert? As already stated: The house is basically good, the basement top-notch, the ground floor was not always professionally renovated, and the upper floor and roof will cost another good 75,000-100,000 euros in renovation costs. Therefore, he valued it at 330,000€ including the land.
We will not go higher either. We are waiting, and I might possibly heed the hint with the ultimatum regarding how long our offer is valid.