ᐅ Suggestions for Floor Plan Improvements for a Single-Family House on a South-Facing Slope
Created on: 5 Feb 2023 20:02
I
Indahaus
Hello everyone,
after purchasing the plot in February last year, which was fully serviced by the end of last year, we have been gathering inspiration and planning ever since. Despite rising costs and interest rates, we are excited about building our house, including some DIY work.
Development Plan / Restrictions
Plot size: 669 m² (7200 sq ft approx.)
Slope: South-facing slope, 3.90 m (12.8 ft) diagonal (approx. 7.3° incline at the street side)
Site occupancy index: 0.4
Floor area ratio: 0.7
Building window, building line and boundary: 3 meters (10 ft) or setback areas
Edge development: garage
Number of parking spaces: two per dwelling unit in front of garages, minimum 5 meters (16 ft)
Number of stories: 3 full stories (basement, ground floor, upper floor)
Roof style: gable roof with 35° to 45° pitch (if basement is not a full floor, then 15° to 25°)
Architectural style
Orientation: see draft sketch
Maximum heights / limits: wall height 6.50 m (21.3 ft) measured from finished floor level of the ground floor to the junction of wall and exterior roof surface
Additional requirements: garage roof as flat roof with green roofing, at least 40% photovoltaic panels
Homeowners’ Requirements
Style, roof type, building type: no decision yet on wood or masonry (affordable ecological)
Basement, floors: 2 plus basement suitable as living space
Number of occupants, age: 2 persons, both 26 years old
Space requirements on ground and upper floors: see draft sketch
Office: family use or home office? home office
Overnight guests per year: few
Open or closed architecture: rather open
Conservative or modern design: rather modern
Open kitchen, kitchen island: both desired
Number of dining seats: 8, preferably extendable
Fireplace: would be nice but too expensive
Music/Stereo wall: no
Balcony, roof terrace: roof terrace on garage for drying laundry, terrace, balcony-like at living/dining/kitchen area but with garden access
Garage, carport: double garage (possibly added later)
Utility garden, greenhouse: yes (greenhouse not planned at least for now)
Further wishes / special features / daily routine, please also reasons for inclusion or exclusion
House Design
Source of planning: do-it-yourself
What do you particularly like? Why? no bay windows, no spiral stairs, enough space in entrance area, access garage-house in entrance area, access garage roof/laundry room on the upper floor, level access to ground floor on north side and basement on south side, sight lines
What don’t you like? Why? staircase not located near living area, small main bathroom
Cost estimate according to architect/planner: not obtained yet
Personal price limit for house including fittings:
Preferred heating system: heat pump (underfloor heating possibly combined with cooled ceiling)
If you had to give up something, on which details/extensions
-you can give up: efficient sqm (unused areas), basement under garage or terrace
-you cannot give up: basement with large hobby workshop
Why is the design as it is now? For example:
Standard design from planner? No
Which wishes from the architect were implemented? No architect, we tried to implement our wishes ourselves on a compact footprint without feeling cramped
What makes it, in your view, particularly good or bad?
What is the most important/fundamental question about the floor plan in 130 characters?
Do you have any suggestions for improvement? What would bother you? Any tips on doing things similarly but more cost-effectively?
The basement plan is not finalized yet. In addition to utility rooms, storage, possibly a bathroom (for quick cleaning and a potential future granny flat), a space-intensive hobby needs to be accommodated here. We are considering adding a basement under the garage or terrace or both. If you have any preliminary tips or rough cost estimates, please share.
If you need further information, just ask.
Thank you all!
Indahaus





after purchasing the plot in February last year, which was fully serviced by the end of last year, we have been gathering inspiration and planning ever since. Despite rising costs and interest rates, we are excited about building our house, including some DIY work.
Development Plan / Restrictions
Plot size: 669 m² (7200 sq ft approx.)
Slope: South-facing slope, 3.90 m (12.8 ft) diagonal (approx. 7.3° incline at the street side)
Site occupancy index: 0.4
Floor area ratio: 0.7
Building window, building line and boundary: 3 meters (10 ft) or setback areas
Edge development: garage
Number of parking spaces: two per dwelling unit in front of garages, minimum 5 meters (16 ft)
Number of stories: 3 full stories (basement, ground floor, upper floor)
Roof style: gable roof with 35° to 45° pitch (if basement is not a full floor, then 15° to 25°)
Architectural style
Orientation: see draft sketch
Maximum heights / limits: wall height 6.50 m (21.3 ft) measured from finished floor level of the ground floor to the junction of wall and exterior roof surface
Additional requirements: garage roof as flat roof with green roofing, at least 40% photovoltaic panels
Homeowners’ Requirements
Style, roof type, building type: no decision yet on wood or masonry (affordable ecological)
Basement, floors: 2 plus basement suitable as living space
Number of occupants, age: 2 persons, both 26 years old
Space requirements on ground and upper floors: see draft sketch
Office: family use or home office? home office
Overnight guests per year: few
Open or closed architecture: rather open
Conservative or modern design: rather modern
Open kitchen, kitchen island: both desired
Number of dining seats: 8, preferably extendable
Fireplace: would be nice but too expensive
Music/Stereo wall: no
Balcony, roof terrace: roof terrace on garage for drying laundry, terrace, balcony-like at living/dining/kitchen area but with garden access
Garage, carport: double garage (possibly added later)
Utility garden, greenhouse: yes (greenhouse not planned at least for now)
Further wishes / special features / daily routine, please also reasons for inclusion or exclusion
House Design
Source of planning: do-it-yourself
What do you particularly like? Why? no bay windows, no spiral stairs, enough space in entrance area, access garage-house in entrance area, access garage roof/laundry room on the upper floor, level access to ground floor on north side and basement on south side, sight lines
What don’t you like? Why? staircase not located near living area, small main bathroom
Cost estimate according to architect/planner: not obtained yet
Personal price limit for house including fittings:
Preferred heating system: heat pump (underfloor heating possibly combined with cooled ceiling)
If you had to give up something, on which details/extensions
-you can give up: efficient sqm (unused areas), basement under garage or terrace
-you cannot give up: basement with large hobby workshop
Why is the design as it is now? For example:
Standard design from planner? No
Which wishes from the architect were implemented? No architect, we tried to implement our wishes ourselves on a compact footprint without feeling cramped
What makes it, in your view, particularly good or bad?
What is the most important/fundamental question about the floor plan in 130 characters?
Do you have any suggestions for improvement? What would bother you? Any tips on doing things similarly but more cost-effectively?
The basement plan is not finalized yet. In addition to utility rooms, storage, possibly a bathroom (for quick cleaning and a potential future granny flat), a space-intensive hobby needs to be accommodated here. We are considering adding a basement under the garage or terrace or both. If you have any preliminary tips or rough cost estimates, please share.
If you need further information, just ask.
Thank you all!
Indahaus
11ant schrieb:
The classification as a full storey is not related to whether you finish the basement with living spaces – it only depends on how much it protrudes above the original ground level. We are aware of that, so we have identified both variants from the development plan that apply.
11ant schrieb:
Being young does not mean you can continuously give full effort with your own work indefinitely. That is clear. We already have experience from various projects. As soon as the work is properly planned, it significantly reduces stress during execution. From coordinating the renovation of an existing heating system to planning, calculating, and installing a mezzanine floor with HEB beams for several tons of load.
We take the advice on board, but the plan with substantial owner participation remains unchanged.
11ant schrieb:
It is better to go to the architect with a wish list rather than detailed drawings – for such so-called “preparatory work,” there is absolutely no discount. We have already created a detailed list of requirements and have a draft from the architect. However, the draft is not only 50m² (540 sq ft) larger but also only meets a fraction of the points on the list.
To clearly specify the intended use of this basement space, an image is attached.
The space is needed, among other things, for the following equipment (only partially shown):
Panel saw (6m space requirement)
Planer/thicknesser
Clean air extraction system
Welding table
Welding machines
Welding fume extraction
CNC gantry milling machine
Wood miter saw
Metal miter saw
Workbenches
Screw compressor (possibly in the attic)
Compressed air tank at least 300 liters (80 gallons) (possibly in the attic)
Sandblasting cabinet
Bench drill press
FLM 3D printer
Anyone who has worked in a workshop knows how important sufficient clearance is, as you not only risk bumping into things but potentially more serious consequences. Therefore, the necessary movement space must definitely be provided.
These are high-quality machines that cannot be accommodated in a shed or similar. In addition, storing them in such a manner always carries the risk of damage from condensation.
Currently, the machines are used exclusively for private purposes, but a commercial use in the future cannot be completely ruled out. In order to operate them in a general residential area, noise control regulations (TA noise) and air quality regulations (TA air) must be observed, so the basement would be ideal for this purpose.
There is also a level access, which facilitates unloading, for example, wooden boards. The neighboring building also houses a commercial business in its basement.

The space is needed, among other things, for the following equipment (only partially shown):
Panel saw (6m space requirement)
Planer/thicknesser
Clean air extraction system
Welding table
Welding machines
Welding fume extraction
CNC gantry milling machine
Wood miter saw
Metal miter saw
Workbenches
Screw compressor (possibly in the attic)
Compressed air tank at least 300 liters (80 gallons) (possibly in the attic)
Sandblasting cabinet
Bench drill press
FLM 3D printer
Anyone who has worked in a workshop knows how important sufficient clearance is, as you not only risk bumping into things but potentially more serious consequences. Therefore, the necessary movement space must definitely be provided.
These are high-quality machines that cannot be accommodated in a shed or similar. In addition, storing them in such a manner always carries the risk of damage from condensation.
Currently, the machines are used exclusively for private purposes, but a commercial use in the future cannot be completely ruled out. In order to operate them in a general residential area, noise control regulations (TA noise) and air quality regulations (TA air) must be observed, so the basement would be ideal for this purpose.
There is also a level access, which facilitates unloading, for example, wooden boards. The neighboring building also houses a commercial business in its basement.
Indahaus schrieb:
We have already created a detailed list of requirements and have a draft from the architect. However, the draft is not only 50 m² (540 sq ft) larger but also meets only a fraction of the points on the list. b) then you should also share the draft,
a) that does not sound like an architect, but rather “architect.”
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
H
hanghaus20236 Feb 2023 15:59S
Schorsch_baut6 Feb 2023 16:0711ant schrieb:
b) then you should also show the design,
a) that doesn’t sound like an architect, more like an “architect.” Or maybe all the requirements just can’t be reasonably fitted into fewer square meters. When I look at the furniture planned for the children’s rooms, the dimensions don’t seem to match the reality of the designed space. Otherwise, I agree with most of the commenters here. The budget doesn’t align with the house and the planned site grading, even considering own labor.
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