ᐅ Floor plan single-family house 154 m² with basement on a sloped site

Created on: 14 Oct 2024 19:35
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oadna4711
Hello everyone,

I have been in the planning phase for some time now.
I created the floor plan myself based on model homes.
To get a professional opinion, I have already talked to a construction company.
The designer initially drew a plan that I didn’t like. At the next meeting, I showed him my proposal, which he liked quite a bit. We discussed some revisions, and that became the first draft.

I would appreciate any criticism or suggestions and look forward to your opinions.

Development Plan / Restrictions
Plot size: ~1000 m2 (not yet officially measured)
Slope: average incline 7 degrees (approx. 1.5m (5 feet) height over 10m (33 feet) length)
Floor area ratio: 2
Roof style: hip roof
Further restrictions regarding the development plan are unknown

Homeowners’ Requirements
Style, roof type, building type: bungalow with basement and hip roof
Basement, floors: basement + 1 floor
Number of occupants, age: 2 people (29 & 34)
Rooms needed in basement: garage (2 parking spaces), office, entrance area + wardrobe, laundry room (washing machine, toilet, possibly a small shower), utility room & storage
Rooms needed on upper floor: kitchen, living room, dining room, bedroom + walk-in closet, children’s room, office & guest room
Office: family use or home office: both family use + home office (both work from home, so 2 offices needed)
Overnight guests per year: approx. 4 times
Open or enclosed layout: rather enclosed; kitchen open to dining table
Conservative or modern style: rather modern preferred
Open kitchen, cooking island: open kitchen + cooking island
Number of dining seats: a dining table for 8 people should fit
Fireplace: not required
Music/sound system wall: no
Balcony, roof terrace: no
Garage, carport: garage, carport possibly later
Vegetable garden, greenhouse: no
Other wishes/special features/daily routine, including reasons why certain things are wanted or not:
We prefer the entrance in the basement since we travel by car about 90% of the time and therefore don’t need a door upstairs.

In the kitchen, we considered having a window as the backsplash (between the countertop and upper cabinets), as we really liked it in a model home. However, it somewhat disrupts the exterior appearance. We are still undecided whether this added value is worth it.

House Design
Who designed it: DIY
What do you like most? Why? We really liked the somewhat separated living room in a model home because it feels cozy. So, we incorporated it into our plan.
What do you dislike? Why? The arrangement of the windows from the outside
Estimated cost according to designer: For the ground floor: approximately 250,000 for the performance stage (shell + roof and windows), ready for interior finishing, which will be done by ourselves. Electrical, plumbing, and screed will be contracted separately.
Basement: no estimates yet
Personal price limit for the house, including fixtures: 600,000
Preferred heating system: geothermal heat with horizontal collectors

If you have to give up something, which details/extensions
- can you give up: guest room (could possibly be combined with an office)
- can you not give up: 2 offices for home office, with my office preferably being in the basement

Why is the design as it is now? For example
We first included all our wishes in this plan to get initial cost estimates.

Looking forward to your opinions.

Best regards from Austria
Basement floor: office, laundry room, utility, two storage rooms, stairs, garage for two cars

Ground floor layout with bedroom, children’s room, bathroom, kitchen, living room, office, guest room.

West view of a two-story white house with dark roof on a green slope.

South view of a single-story house with dark roof, central glass door and windows, on green area.

East view of a modern two-story house on a grass-covered embankment; sky with clouds.

North view of a two-story house, white facade, brown roof, three garages.
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hanghaus2023
16 Oct 2024 13:20
Is the site already connected to the necessary infrastructure?
11ant16 Oct 2024 13:31
hanghaus2023 schrieb:

@11ant but the plan shows north.
I meant the house plan.
oadna4711 schrieb:

Not that I know of. I integrated the garage into the house because I need the basement anyway to balance out the slope and to have direct, level access onto the terrace.
Theoretically, I could make a flat roof with a terrace on top of the garage. But I’m a bit hesitant about flat roofs.
I can’t see what the garage would have against a flat roof. If I understand correctly, you mainly liked that in the Hartl show home, the TV seating area is separated “around the corner” from the kitchen area. However, a U-shaped semi-atrium bungalow is already not suitable for the budget-conscious among home savers even on a flat plot. Now you are indulging in two more luxuries by combining the elevation on a recessed basement to adapt the dream house to a sloped lot *and* increasing the living area by about forty percent instead of choosing one or the other.

Therefore, I share the likely conclusion of your price inquiries and suggest that you kindly review how many of your dream house’s priority features can be achieved in an exterior shape that better fits the terrain. Maybe @ypg can come up with something nice, as the lot would suit a split-level house. The footprint of the show home is already a burden without scaling up the dimensions further, even though the width of the lot—if it weren’t for the slope—invites living extensively on one level.
oadna4711 schrieb:

I like the idea of having only two levels so that in old age I can drive behind the house and enter it at ground level.
By omitting the uphill entrance?
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
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hanghaus2023
16 Oct 2024 13:40
I sketched a basement level, 14.2 m (47 feet) by 8.8 m (29 feet).

2D floor plan of a house with office, bathroom, utility room, storage room, and technical room

Driving up the hill is hopefully a bad idea. In that case, the entire plan would need to be revised and the budget increased.

In which state or region will the building take place?
11ant16 Oct 2024 13:46
hanghaus2023 schrieb:

Unfortunately, the driveway won’t work then.
What exactly wouldn’t be possible there?
hanghaus2023 schrieb:

In which federal state is the building taking place?
Are you familiar with several regional building codes in Austria? I don’t know a single one.
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
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ypg
16 Oct 2024 14:22
oadna4711 schrieb:

Plot 1227 is family-owned but not designated as buildable land, meaning it is a meadow and is only accessed by agricultural vehicles.

The first thing to check would be whether you are actually allowed to build on the meadow.

I would definitely remove the garage from the plan. On the one hand, it’s not financially feasible, and on the other, there are issues related to thermodynamics.
You can build a half-basement with an upper floor. For the cost calculation, you should include the basement/lower ground floor since it will be finished living space. I don’t see a full basement as financially viable.

Hand-drawn graph sketch: rectangle on top labeled ERG, below hatched area and triangle.
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hanghaus2023
16 Oct 2024 14:53
ypg schrieb:

First, you would need to check whether building is even permitted on the meadow.
The inquiry referred to the neighboring plot to the south. The 1228 should be designated as building land.
11ant schrieb:

What exactly wouldn’t fit there?

My proposal places the garage in the way.
11ant schrieb:

Are you familiar with several state building codes in AT (Austria)? I don’t know a single one.
Neither do I. I just wanted to know roughly where that is.