You have an architect on hand. Isn't it easiest to just ask them?
The point is valid. So what’s the use of an architect? Do they just make nice plans?
Basically, you can’t do much before the building permit. You could also choose the simplified approval procedure and hope that it goes through quickly. Then there’s still enough time before construction starts, which is planned for 2017 anyway in your case.
Before construction starts, further documents must be submitted, such as sound insulation, thermal insulation, or proof of structural stability.
Once you have the building permit, your soil expert will get going; before that everything is fine and good, but if you’re unlucky, you might have to commission them twice. Building permit means you are allowed to build your structure as applied for. The soil expert will then conduct their drilling in two corners of the foundation slab.
But as mentioned in the beginning, what’s the point of the architect?
We don’t have to worry about such things; our architect has her network for that. Sure, ultimately we commission them, you might have your own contact, but usually you rely on the established team if they offer market-standard prices anyway. You can hardly manage that yourself. On Thursday evening, we received the building permit by fax; on Friday, an email was sent to the soil expert; on Monday, he was on our property, and today the report is available. Before you would have found someone yourself and they had time, you could count on 3-4 weeks.