Building permit application without height survey?

I agree with @11ant. Honestly: €3k per month and you keep the price guarantee? That’s a great deal. Without a price guarantee, you quickly end up with several tens of thousands or more in additional costs.

I don’t quite understand: do you now agree with me or would you have considered the idea a bargain to be pressured into an early building application for a €3k penalty per month of delay?

we were happy to be granted a price guarantee over this long period (contract signed end of Dec 2021, completion guarantee end of Feb 24).

I hadn’t read that you had already signed and thought they wanted to pressure you into this kamikaze move now.

The height requirement is no problem. We have 2 full floors and a basement, and according to the current plan our house without the basement is 7.85 m high and it may be up to 12 m high. [...] What would be the exact procedure if we submit the building application without height surveying?

I’m less worried about the eaves and ridge height than the sewer and the position of the sole plate above ground level. Of course, you can also raise the house higher on suspicion, but then, possibly, entrance steps protrude into the driveway. Without known absolute heights, you simply specify relative heights in the plan, e.g. +0.00 as the top edge of the basement ceiling. If the absolute heights are not yet known, I would trust in this case the signaled willingness to accommodate by the building authority.

I don't quite understand: do you agree with me or would you have considered the idea a bargain to push yourself into an early building application with a 3k EUR penalty per month of delay?

I agree with you. I see the 3k€ penalty per month as very low compared to the consequential costs of an early building application.

I agree with you. I consider the €3k fine per month to be very low compared to the consequential costs of a premature building application.

Based on my previous standpoint, I would still be surprised, especially since I am always very skeptical of price guarantees. However, since the signature already lies in the past, I would rather step on the gas here.

I would submit the building application. The application usually costs around 3K, okay by now it's probably 5K. You should check whether that is still the case. If the application is approved and the content is complete nonsense, you risk exactly the 3-5K. In that case, you tear it up and do everything again. But if it is even half right, an amendment application is sufficient and the process will speed up accordingly. Then you have probably saved around 3-5 months. If you just wait, you will definitely pay and nothing will happen.