ᐅ House and Garage – Seeking Ideas for Planning

Created on: 11 Feb 2018 08:11
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dimoe
Hello everyone,

A few weeks ago, my partner and I purchased a plot of land in a new residential development. It has an area of 555 square meters (about 5,974 square feet) and slopes gently towards the northeast (the elevation difference is almost linear, approximately 2 meters (6.5 feet) from the southwest to the northeast end – which makes it a bit hard for me to imagine how this 2-meter (6.5 feet) difference will be creatively bridged in the future). The plot is planned to be developed lengthwise from the eastern side with a single-family house — possibly with a basement — of around 150 square meters (1,615 square feet); if we build with a basement, about 130 square meters (1,400 square feet) would probably be sufficient.

The main “problem” we are facing right now is the placement of our (double) garage. Personally, I prefer what I would call a “tidy” and classic layout, with driveway access to the garage on the north side of the house, starting roughly from the middle of the longer side of the house, so that from the street side (streets run south and east since it’s a corner lot) the view of our beautiful house is not blocked. My partner, however, thinks that too much space on the south side (garden) would be lost in this case, because the house would have to be positioned further south. She would therefore prefer the garage to be placed in front of the house (essentially on the east side), so the house can be set further north.

We are thus looking for a (compromise) solution that appears both “tidy” and efficient or space-saving. The garage should not be placed directly on the eastern building boundary either, since there is a required minimum distance of 5 meters (16 feet) from the property line. That space seems a bit too narrow for a garage driveway (considering the car is 4.55 meters (15 feet) long).

The biggest challenge is that the driveway may only be located along the eastern edge of the property, and the plot itself widens towards the west. A double garage would be desirable for space reasons (we’ve also considered a single garage and carport, etc.), and also to have a dry place to work on projects. Having the garage in a potential basement is rather unlikely since that would require bridging a large height difference within the property for the driveway, which we want to avoid. But if anyone has creative ideas for this as well – please share, we are open to anything at this point. 😀

Any ideas? Feel free to include pictures, floor plans, etc. 🙂

Attached are our site plan and our first rough, spontaneous draft… Many thanks in advance for your feedback and suggestions!


Baugrundstücksplan mit blauen Grenzlinien, pinkem Bereich und Maßmarkierungen.

Grundrissplan mit grünen Haftnotizen auf kariertem Planpapier.
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ypg
11 Feb 2018 10:31
Since you have a sloped plot, it will likely make sense to have a basement level (UG), with the garage accessible at ground level on the right side of the driveway, which is on the north side.
We have a relatively recent thread in the floor plan discussion that reminds me of this planning. Maybe someone else can link it here? Tapatalk doesn’t support that 😉 It’s about the thread with the complex terrace design...
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dimoe
11 Feb 2018 10:33
ypg schrieb:
Quote: .....Regarding secondary structures, the following applies:
As far as buildings are concerned, within the planning area, subordinate secondary structures and facilities according to § 14 para. 1 of the Land Use Ordinance are limited to one per building plot in number and to a maximum gross volume of 22.5 m³ (795 cubic feet) per structure...

Incorrect quote if you refer to garages. This refers to garden sheds and chicken coops [emoji6]

Thank you for the feedback!

The question above was about secondary structures, which is why I quoted that part from the local development plan 🙂 but chicken coops or similar are not planned (for now) 😀
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dimoe
11 Feb 2018 10:36
ypg schrieb:
Since you have a sloped plot, it will likely and logically result in a basement level where the garage is accessible at ground level on the right side of the driveway, so on the north side. We have a relatively recent thread in the floor plan discussion that reminds me of the planning. Maybe someone else can link it here? Tapatalk doesn’t like that 😉 It’s about the thread with the complex terrace design...

I’ll take a look there and possibly join the discussion, thanks a lot… but if anyone else has further ideas, please feel free to share them here 😀
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Escroda
11 Feb 2018 10:50
Your green house measures 10m by 13m (33ft by 43ft), the garage 6m by 7m (20ft by 23ft), and the driveway 6m by 11m (20ft by 36ft). This means the house has a footprint of 130m² (1,399ft²). As a single-story building, that would result in about 104m² (1,119ft²) of living space; as a two-story building, 208m² (2,237ft²), both far from your target of 150m² (1,615ft²).

With a building envelope width of 17m (56ft), and after subtracting the garage, 11m (36ft) remain for the house. The maximum footprint would be 11m by 15m (36ft by 49ft) = 165m² (1,776ft²), resulting in approximately 132m² (1,421ft²) of living space for a bungalow. Alternatively, a target of 150m² (1,615ft²) living space corresponds to around 190m² (2,045ft²) of floor area. Spread over two stories, this means 95m² (1,022ft²) footprint. These are optimal conditions for a so-called city villa (10m by 10m (33ft by 33ft), two stories, hipped roof with 20° pitch).

The floor area ratio should not pose any issues. For the bungalow, it results in:
Floor area ratio 1 = 132m² (1,421ft²) / 555m² (5,974ft²) = 0.23
Floor area ratio 2 = 132m² (1,421ft²) + 42m² (452ft²) + 66m² (710ft²) = 0.43, permitted if §19 (4) of the Land Use Ordinance is not excluded by the development plan.

For the city villa, the situation is even more favorable.

Regarding the slope, I see no particular difficulties as the height difference in the building area is only 1m (3ft). I don’t see a basement as absolutely necessary here (although I would still consider adding one), since the plot is large enough for terrain adjustments.
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dimoe
11 Feb 2018 10:58
Escroda schrieb:
Your green house measures 10m by 13m (33 ft by 43 ft), the garage 6m by 7m (20 ft by 23 ft), and the driveway 6m by 11m (20 ft by 36 ft). So the house has a footprint of 130m² (1,400 sq ft). As a single-story, that would provide about 104m² (1,120 sq ft) of living area; as a two-story, 208m² (2,240 sq ft), both quite far from your target of 150m² (1,610 sq ft).

With a building envelope width of 17m (56 ft), subtracting the garage leaves 11m (36 ft) for the house. The maximum footprint would then be 11m by 15m (36 ft by 49 ft) = 165m² (1,780 sq ft), resulting in about 132m² (1,420 sq ft) of living space for a bungalow. Alternatively, 150m² (1,610 sq ft) of target living space corresponds to roughly 190m² (2,045 sq ft) of floor area; spread over two floors this means a footprint of 95m² (1,022 sq ft). These are ideal conditions for a so-called city villa (10m by 10m [33 ft by 33 ft], two stories, hipped roof with a 20° pitch).

The floor-space ratio should not pose any issues. For the bungalow, the floor-space index is
Floor-space ratio 1 = 132m² / 555m² = 0.23
Floor-space ratio 2 = 132m² + 42m² + 66m² = 0.43, permissible if §19 (4) of the Land Use Ordinance is not excluded by the development plan.

It gets even better for the city villa.

Regarding the slope location, I see no particular difficulties, since the height difference within the building’s footprint is only 1m (3 ft). I don’t consider a basement strictly necessary here (although I would include one), as the plot is large enough for terrain adjustments.

Thank you very much for the feedback!

Indeed, we planned the house size with some buffer, so we didn’t explicitly design the house dimensions to be 10 by 13 meters (33 ft by 43 ft), even though our model suggests that. The garage will be approximately the size mentioned, and we have planned the driveway with roughly those dimensions as well.

Regarding the additional information: we will definitely consider it; it sounds very helpful! Now we just need to figure out how to position our garage to preserve as much garden space as possible.
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ypg
11 Feb 2018 12:27
I would suggest making a sketch on graph paper regarding the slope, using the diagonal of the plot, meaning the cross-section from the front. Then, look at the building envelope / buildable area to see at what height you will end up once you place the double garage and the house on it.