Is it still possible to apply for KfW55 funding?

I don't see where the opinions diverge. With Zipfel it worked without a bank. But still, you first need the exact plans based on which the energy consultant can do the calculations. So to stay on schedule, you would now have to draft a plan very, very quickly.

One idea: could I now just take any prefab house plan, have it energetically calculated, submit the application that way, and then completely change the plan afterward (and of course also the consultation/calculation by the energy consultant)?

One idea: could I just take any prefab house plan now, have it checked energetically, submit the application that way, and then completely change the plan afterward (and of course also the consultation/calculation by the energy consultant)?

The energy consultant must confirm afterward that it was implemented exactly like that. So it won't be legal. Even increasing the window size by 20cm was no longer possible for us.

The energy consultant must confirm afterwards that it was implemented exactly like this. So nothing legal will come of it. Even making the window 20cm bigger was no longer allowed for us.

Damn. Okay, then I hereby bury the idea of KfW 55.

Please do not forget that for the BEG funding, the application may only be submitted once the Auflassungsvormerkung has been registered, if you yourself as the builder are not yet the owner of the property.

As I read your answers (the opinions differ a bit), I would now "only" need an energy consultant and then I could still submit the application?

Exactly. And before that, the complete and correct planning from the architect for your exact house.

Once you have everything together, it takes about 30 minutes to get the approval for the grant. The application is no longer reviewed but simply based on the energy consultant’s data. So enter it, press send, and receive the approval a few minutes later. But until then, it’s a long way.

Just plan calmly, but for a 40-cm house.

Exactly. And beforehand the complete and correct planning of the architect for exactly your house.

When you have everything together, it takes about 30 minutes to get the approval for the subsidy. The application is no longer checked but simply relies on the data from the energy consultant. So enter, press send, and get the approval a few minutes later. But until then, it is a long way.

Just plan calmly, but for a 40 house.

that's exactly how it went for us too.