ᐅ Separate Apartment for Parents: 210 m² Detached Single-Family House with an 80 m² Self-Contained Apartment

Created on: 22 Apr 2017 18:22
S
schustrik
Hello everyone,

We are planning to build a house with a separate apartment for parents.
The main house will have two full stories and a hip roof, and to reduce costs a bit, the separate apartment and the garage will have flat roofs.

The house will be built in a new development, and I have already designed the floor plan.
The plot measures 924 m² (11,470 sq ft) and is numbered 30 on the site plan.
Site coverage ratio: 0.4
Floor area ratio: 0.6
Building height: 4.5 - 6.5 meters (15 - 21 feet)

The driveway can only be on the west side because there will be a bus stop on the south side.

What concerns me:
On the upper floor, the east wall runs right above the living and dining area and is actually only supported by the wall between the stairwell and the storage room of the separate apartment. Could this cause any structural issues?

I have drawn the exterior walls as 45 cm (18 inches) thick and the interior walls as 15 cm (6 inches). Load-bearing walls could probably be reduced to 20-22 cm (8-9 inches).

The “wet rooms” like bathrooms and toilets are spread throughout the house, and the separate apartment will have its own heating system. The sewer drainage gullies are located at the south edge of the plot near the bus stop.

Lageplan mit nummerierten Parzellen in Orange/Blau/Grau; grüne Fläche links.

Grundriss eines Wohnhauses mit Eltern-, Kinder- und Ankleidezimmer, Treppe und Heizung.

Grundriss eines Hauses mit farblich markierten Räumen, Möbeln, Terrasse und Garage.
Y
ypg
5 Apr 2018 18:56
11ant schrieb:
At car dealerships, there is often an early retiree who washes the cars. However, they don’t change the brakes. Apparently, this has something to do with competence or something like that.

No man understands these hidden hints anyway [emoji23]
KingSong5 Apr 2018 19:13
My sincere advice for this whole mess:

Throw away all your previous plans, take 6-9 months to clear your mind, and then consult a professional architect. Share your wishes and needs with them, and you will see a practical, functional, and well-founded design emerge.

Anything else you do on your own here will make you deeply unhappy in the long run and waste a lot of money......
S
schustrik
6 Apr 2018 16:09
KingSong schrieb:
Forget all previous plans, take 6 to 9 months to clear your mind, and then consult a proper architect. Share your wishes and needs with them, and you will see that a practical, functional, and substantial design will result.

We don’t have that time anymore. About 4 weeks left.

I revised the ground floor again. The garage is now somewhat larger, and the narrow corridor has disappeared. Would the space for the gas heating system be sufficient?
Grundriss eines Hauses mit mehreren Zimmern, Küche, Esszimmer, Wohnzimmer, Bad und Maßen.
R
ruppsn
6 Apr 2018 17:33
schustrik schrieb:
We don’t have that much time anymore. About 4 weeks left.

Please don’t take this the wrong way, but making such a decision under time pressure, especially considering the current status of the work, significantly increases the risk of ending up in a disaster.

A silly question: what exactly is happening in 4 weeks?
KingSong6 Apr 2018 17:52
I’m also curious about what is so urgent in 4 weeks? The Titanic was in a hurry too… We all know how that ended, or as my grandmother used to say: “Grass doesn’t grow faster if you pull on it!”
K
kbt09
6 Apr 2018 17:56
This is still not a suitable plan. Everything has been drawn quite tightly and roughly. If this is supposed to become a professional working plan, supply lines, shafts, etc. need to be included, which could sometimes make it tight.

Is the space in front of the heating system now a cloakroom? Almost 13 m² (140 sq ft)?