Dr. Walter Klein in an interview with Immobilien Zeitung – “The calculated costs are incorrect”

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30.10.25

Dr. Walter Klein in an interview with Immobilien Zeitung – “The calculated costs are incorrect”

Major public sector projects such as Stuttgart 21, Berlin Brandenburg Airport, the Elbphilharmonie concert hall, and the expansion of the Federal Chancellery are rarely completed on schedule—and almost always end up costing significantly more than planned.

In an interview with Immobilien Zeitung, Loschelder partner Dr. Walter Klein explains why the causes lie not in “cost explosions” but in systematic failures:

• inadequate planning and cost calculation,

• unrealistic cost estimates (sometimes politically motivated),

• contracts awarded to the cheapest rather than the most economical bidder, and

• construction planning without sufficient foundations.

Klein's conclusion:

“Those who save on planning, tendering, or fees will pay all the more later.”

You can read the full interview here. It shows what legal and practical adjustments are needed to make public construction projects more efficient and legally secure.

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