ᐅ Floor Plan Design for New Single-Family Home – 610 sqm Plot – Feedback Welcome

Unfortunately, I was no longer able to edit my previous post, so here it is again, including the floor plans and with better image quality.

Good day.
We plan to build a single-family house on a 610 sqm (6566 sq ft) plot in a new development area. We have already made some considerations. By now, we have been able to refine and clarify our wishes. At this point, we are wondering whether we might have overlooked something or if there are any suggestions for improvement.

Development Plan

• Site coverage ratio 0.3
• Floor area ratio 0.8
• Number of parking spaces: 2
• Number of storeys: 1
• Brick masonry
• Roof style: gable roof with 45-degree pitch

Client Requirements / Wishes

• Family with two children
• Living space around 200 sqm (2153 sq ft)
• Target energy efficiency class KfW-40 EE (hence the thick exterior walls)
• Room requirements on the ground floor: kitchen + pantry, open-plan living and dining area, guest toilet, utility room with garden access, study/guest room
• Room requirements on the upper floor: 3 bedrooms, 2 bathrooms
• Two children's rooms approximately the same size, each at least 16 sqm (172 sq ft)
• Fireplace, preferably U-shaped, serving as a room divider between dining and living areas
• Technical room for heating system, heat pump with hot water storage, photovoltaic system with battery storage, and ventilation system with heat recovery
• Double garage including a workbench
• No basement due to a high groundwater level
• Void space to improve lighting in the ground floor and for the central corridor on the upper floor, preferably a closed void (to increase privacy in the living area and avoid cooking smells in the upper floor sleeping areas)
• Laundry chute from the master bathroom leading to the utility room
Current Challenge
• Feasibility of the ceiling construction in the living and dining area with the walls above on the upper floor (question for the structural engineers)

We would like to thank you in advance for your active participation and support.

Ok… a second post. You don’t need to create a third one for extensions, as the same applies here: please complete the questionnaire and upload photos directly in the forum as common file formats. No one wants to download your floor plans or open them in other applications.

The floor plans lack dimensions. Looking up into the open space above the piano hallway reminds me of the view from the production hall to the supervisor’s office ;-)

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https://www.linkedin.com/company/bauen-jetzt/

Apart from the image format, which you first need to download, I have to say that I really like the floor plan for the ground floor.
I could definitely use this as inspiration for our own. It offers almost everything I want for the ground floor except a space for a buffet in the dining area.

Edit:
Regarding the upper floor, two things stand out to me:
- Why have an open void when that space could be used for an additional room?
- No shower in the master bathroom? That would mean always having to use the kids’ bathroom for showering, which seems a bit impractical.

On the upper floor, what stands out to me are especially the many "botched corners" (for an explanation of this term, feel free to ask @11ant), which on paper increase the square meters in the rooms but are hardly usable in reality (for example, in the children's rooms). I would prefer a clearer layout on the upper floor.

P.S.: I don’t understand the windows from the piano room to the void space. Why windows? They probably don’t provide sufficient sound insulation. And why are they different sizes? If there has to be a void space, I’d rather have it open or possibly fully glazed, or just make it another nice room instead...

Is it allowed to build the garage there? Usually, it must be at least 5 m (16 feet) away from the street almost everywhere. If the drawn lines mark the property boundaries, then it is more likely only 3 m (10 feet).

General measurements would be helpful!