Floor plan tips for a single-family house with a desired granny flat

Then it is and remains that way, unless you want to go through this process including the duration again. Significant changes will require a new application, consistent external dimensions won’t help here. There are two things I still haven’t understood: namely the roof construction and the building being set forward about 1m in front of the building boundary towards the street.

You have shot yourselves in the foot twice, namely the airspace and the square shape of the house footprint, in addition to the already high density of wishes/requirements for the house size. Am I correct in assuming that the design was developed from a catalog city villa?

I find the house surprisingly/remarkably successful as a compromise considering its borderline small "size," I would actually only remove the airspace and would have forgone the exemption from the building boundary – is that perhaps significantly responsible for the long processing time?

It seems to me that in your clever draftsman, an architect has almost been lost, who apparently only managed to dissuade you from the airspace, unfortunately not.

I am not allowed to say anything about the floor plan since ours has been criticized many times :cool: I also didn't find out how big the house will be. I estimate around 200 sqm. I would question how they come up with only €450,000. It looks like a lot of earthworks = high costs. With the small plot, the earth will probably be hauled away immediately = even more costs. The architect has the advantage that he creates "often" nice floor plans, but when it comes to cost calculations, they are not always so good...

One should always use the rule of thumb:
- sqm * €2,500 (also depends on the region; BBW or Bavaria can also reach €3,000)
- for you, I would estimate at least €70,000 additional construction costs
- €20,000 for the garage.
When estimating roughly: 200sqm * €2,500 + €70,000 + €20,000 = €590,000 (without furniture/lamps, floors, driveway, outdoor facilities, kitchen). Your price limit will hardly be sufficient for your expectations.

Here I go again with my “old tune.” Too much hallway/traffic area, living space (under 4 m) too narrow, etc. etc.

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no, you don’t get exhausted walking from the kitchen to the table.

Where, if not in the airspace????

And what about the clinking of dishes when the machine is emptied in the evening or guests are entertained?

That's right. Good that you noticed that yourselves.
I would forgo a change: 3.10 is enough for a kitchen unit plus an island or a double row. As I see it, the highlight of the property is where the kitchen is now: there I would also enlarge the windows (west and northwest) and create the dining and evening terrace.

I could imagine closing a kitchen passage at the bottom of the plan near the stairs. Then two rows. Floor windows in the north and west. Then you don't have to constantly go through the quiet zone.

Basically, I would question the windows on the upper floor, why it was basically planned like a terraced house there and no windows were planned in the east and west, which are important for the sleeping area.
A tip for the entrance: door to the apartment in line with the front door results in double the wardrobe space!!!

Otherwise, and then it will also work, the design.
Budget is very questionable!

Where, if not in the airspace????

We have a contract with the construction company in which all services including earthworks are covered at a fixed price. This includes the cellar, the earthworks themselves, the garage, and so on. There are also additional building costs such as the removal of the soil and disposal costs, which he has listed for us in terms of price. However, I spoke with the city and they urgently need soil for a new development area. After I sent them the analysis, they want our soil free of charge. We will take care of the transport ourselves. We can rent semi-trailers from the company (work site) at a low price, and my colleagues will transport the soil away for me free of charge. They are taking time off for this.

Otherwise, I hope the contractor does not try to cheat me anywhere. We are also contributing some work ourselves, such as plastering, painting, installing and purchasing sanitary fixtures.