Makes a total of 82,900 euros for the property.
House costs are 299,282 euros. 75,760 are the complete ancillary building costs including surveyor, groundwork, outdoor facilities, and all the extras.
Who is calculating there? Property -> 85,000
House costs at least 300,000, buffer 20,000
From 75,760 with incalculable earthworks, make it 80,000.
Viebrockhaus is the general contractor. Probably cheap due to northern prices.
Viebrockhaus is not cheap