Consultant calculates price for 112m² KFW55 semi-detached house with basement at nearly €600,000

Then you should visualize the property situation once (cadastre map or aerial photo doesn't matter).

In advance: Why should a semi-detached house be more expensive than a single-family house? I don’t understand... but I’m happy to be enlightened :D

Honestly, the price is completely exaggerated.

For comparison for you – since we are building "relatively" similarly, just significantly larger:

160 m² KfW 55 single-family house with heat pump and underfloor heating, 2 full floors, finished attic, with double garage, ventilation system, various equipment options like: electric shutters, windows with aluminum cladding and lots of other "small stuff" --> also calculated turnkey
80 m² usable basement WITH waterproof concrete shell

We pay 455,000€

If I had to estimate, your house should cost around 350,000€ - 400,000€ – depending on provider, quality, etc.

The building area can be seen in the middle. Due to an extension on house no. 7 (not visible here), the buildable area is limited to 6.40x13m. The development plan stipulates the construction of a semi-detached house to put a stop to the "extensive unauthorized residential development" in the hinterland of the properties :D.

So you see, my neighbor would also have to build a semi-detached house, but she has no interest and prefers a large plot of land. I agreed with her that I will build with a basement so that she would have no restrictions for her building project in the future. If excavations are made on her property during construction, she wouldn't care. She doesn't really care about anything. She is just happy for us ;).

Thank you. By the way, could you send me a PM telling me who you are building with?

Best regards

Due to an extension on house No. 7 (not visible here), the buildable area is limited to 6.40x13m. [...] my neighbor would also have to build a semi-detached house, but she has no interest and prefers a large plot.