House Tools

Choose a tool related to house costs.

Prefabricated House

Detailed calculation of all building costs, from land and notary fees to earthworks and interior finishing.

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Mortgage Calculator

Simulate multiple credits (Bank, KfW) with individual interest rates, repayment options, and special repayments.

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Bauspar vs. Repayment

Compare direct loan repayment with a Bauspar-linked strategy. Understand the 'insurance premium' for interest rate certainty.

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QNG Profitability

Calculate if the QNG certification pays off based on 10 years of interest savings and long-term energy yields.

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Frequently Asked Questions

Beyond the house price, you must factor in land purchase taxes, notary fees, earthworks, utility connections, and interior finishing (Bodenbeläge, Malerarbeiten).

Prefabricated house costs vary by land price, side costs, and finishing. Our calculator helps you estimate the total cost of ownership.