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.
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.
Let’s be honest. Choose a house for your family. Whether you have 3 or 4 children should be clear beforehand. If the fourth child is only a slight possibility, take a room as an office/guest room and that’s fine. It can be converted into a children’s room if needed. You have to limit yourselves to stay within the price range you’re aiming for.
Then consider whether a shared utility room would make sense. For example, two washing machines and a dryer, as well as the heating and ventilation system (if you want that), can go there. This will save you some walls. Also keep in mind that your parents’ future tenants might put their things there as well. In my opinion, that’s not a problem. That’s how it is in every student residence.
Give the granny flat at least 10 square meters (around 108 square feet) more in the living room. Once a walker becomes necessary, moving around in the living room will be difficult. Also, a tiny living room won’t appeal to potential future tenants.
Skip the extra access to the garage. The garage door and the house entrance are enough. The unused bathroom behind the garage is also unnecessary. If you want washing facilities accessible from the garden, just install a sink there—that’s enough. For bathroom use, guests or family can use the guest bathroom or the one upstairs. There’s no need to go overboard with special features.
Symmetry on the outside is hugely overrated! Our house has zero symmetry, but it still looks harmonious (at least to me). Also, check out some floor plans online—there are many great ones that with minor adjustments will perfectly meet your needs.
Then consider whether a shared utility room would make sense. For example, two washing machines and a dryer, as well as the heating and ventilation system (if you want that), can go there. This will save you some walls. Also keep in mind that your parents’ future tenants might put their things there as well. In my opinion, that’s not a problem. That’s how it is in every student residence.
Give the granny flat at least 10 square meters (around 108 square feet) more in the living room. Once a walker becomes necessary, moving around in the living room will be difficult. Also, a tiny living room won’t appeal to potential future tenants.
Skip the extra access to the garage. The garage door and the house entrance are enough. The unused bathroom behind the garage is also unnecessary. If you want washing facilities accessible from the garden, just install a sink there—that’s enough. For bathroom use, guests or family can use the guest bathroom or the one upstairs. There’s no need to go overboard with special features.
Symmetry on the outside is hugely overrated! Our house has zero symmetry, but it still looks harmonious (at least to me). Also, check out some floor plans online—there are many great ones that with minor adjustments will perfectly meet your needs.
ypg schrieb:
Unfortunately, many users here confuse the redraw planner with a trained architect. Of course. You definitely shouldn’t bring previous designs to the redraw planner, as they would still use them as a basis.
Evolith schrieb:
Then just take a look online at some floor plans, I’m afraid there was no shortage of those.
Evolith schrieb:
Symmetry on the outside is absolutely overrated! Our house has zero symmetry, but it still looks harmonious (at least I think so). Apparently, besides those with color vision deficiencies, there are also people who hardly perceive proportions. If they still want to aim for aesthetics, they rely on symmetry—simply hoping that something balanced will result. Those with this perceptual limitation can’t even park their small car in an 8 m (26 ft) long parking space. That also raises doubts about whether 5.5 m (18 ft) in front of the garage are enough.
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Symmetry aside, it can also be nice.
But now some self-reflection is needed. What you can’t do should be left to a professional.
However, I see the dilemma: no matter how excellent and award-winning an architect delivers their services here, a handyman will make things worse in a futile attempt to improve them, simply because something doesn’t seem right to them or a contingency hasn’t been considered.
But now some self-reflection is needed. What you can’t do should be left to a professional.
However, I see the dilemma: no matter how excellent and award-winning an architect delivers their services here, a handyman will make things worse in a futile attempt to improve them, simply because something doesn’t seem right to them or a contingency hasn’t been considered.
S
schustrik11 Dec 2017 19:12So, another four months have passed.
I would like to review the room layout with you.
Please do not comment on the south side or the garage location. There is still a southeast terrace, which can be extended further to the south.
Could you simply evaluate the room layout and share some thoughts with me?
Distances, door swings, room layout, room arrangement, etc.
Thank you all.

I would like to review the room layout with you.
Please do not comment on the south side or the garage location. There is still a southeast terrace, which can be extended further to the south.
Could you simply evaluate the room layout and share some thoughts with me?
Distances, door swings, room layout, room arrangement, etc.
Thank you all.
Still no architect involved?
Now no sauna either...
The staircase... well, it could be more spacious.
I don’t see a wardrobe spacious enough for at least 5 people in the larger section.
A wardrobe in the granny flat... well. The dining table is a sad little one, and there’s no direct access to a terrace from the living areas of the granny flat either.
The utility room is somewhere way down south, and nothing else is planned for the whole complex. What about the electrical distribution in the granny flat? Also, the heating system shares a room with a bathroom… what’s that for?
Garage side room... do you really need a door directly into the house and another one leading outside near the front entrance?
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I would still prefer my version... the central garage section can easily be extended by 130 cm (about 4 feet 3 inches) — that would bring my currently planned total width from 23.6 m (77 feet 6 inches) to 24.9 m (81 feet 8 inches).
Then there is a sauna, three equally sized children’s bedrooms, a sauna with garden access on the ground floor, and a master bedroom upstairs with a walk-in closet.
Plus, the granny flat is truly separate (and thus suitable for rental to outside tenants), with a properly assigned guest room, an entrance area with ample storage, and terrace access.
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Your wings on the bottom and top of the plan don’t have consistent alignment on the left and right sides either… I’m also curious about the roof design.
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For reference:

Now no sauna either...
The staircase... well, it could be more spacious.
I don’t see a wardrobe spacious enough for at least 5 people in the larger section.
A wardrobe in the granny flat... well. The dining table is a sad little one, and there’s no direct access to a terrace from the living areas of the granny flat either.
The utility room is somewhere way down south, and nothing else is planned for the whole complex. What about the electrical distribution in the granny flat? Also, the heating system shares a room with a bathroom… what’s that for?
Garage side room... do you really need a door directly into the house and another one leading outside near the front entrance?
-------------------------
I would still prefer my version... the central garage section can easily be extended by 130 cm (about 4 feet 3 inches) — that would bring my currently planned total width from 23.6 m (77 feet 6 inches) to 24.9 m (81 feet 8 inches).
Then there is a sauna, three equally sized children’s bedrooms, a sauna with garden access on the ground floor, and a master bedroom upstairs with a walk-in closet.
Plus, the granny flat is truly separate (and thus suitable for rental to outside tenants), with a properly assigned guest room, an entrance area with ample storage, and terrace access.
------------
Your wings on the bottom and top of the plan don’t have consistent alignment on the left and right sides either… I’m also curious about the roof design.
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For reference:
schustrik schrieb:
Could you please just assess the room layout and share some thoughts with me? Don’t take this the wrong way, but the first thought that came to my mind was: "Find someone who knows architecture," and "I wouldn’t want to live there or invest a single cent."
I know that sounds harsh, but you asked for my thoughts. To keep it brief: The kitchen at the top of the plan is 181.5cm (72 inches) wide. Subtracting 3.5cm (1.4 inches) for plaster and 65–70cm (26–28 inches) for kitchen cabinets/countertop leaves about 110cm (43 inches), meaning on an L-shaped layout you wouldn’t even fit two 60cm (24 inch) units on the short side. It’s more like a kitchenette than a proper kitchen. That’s too small for me. I also don’t understand the connecting room. Overall, it feels inconsistent, with many awkward pathways and no spaces that invite you to stay. Altogether, it just feels cramped, cramped, and cramped. That’s my first impression. Sorry for the bluntness.
I find @kbt09’s design MUCH more successful, although I would leave out the kitchen island at the top of the plan. Even though I really like kitchen islands, in this case, it leaves too little living room space and puts the dining table too close to the sofa.
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