ᐅ Built-up Area: Are garages or carports included in the built-up area?

Egon12 schrieb:
Shouldn't the values be considered separately?
1000 sqm (square meters) of which 180 sqm (square meters) is house, floor area ratio = 0.18

1000 sqm (square meters) of which 234 sqm (square meters) are outbuildings, floor area ratio = 23.4
since outbuildings may cover 50%, floor area ratio 23.4 / 2 = 11.7

total floor area ratio of 29.7, which would be just on the limit

No, that is not correct. With an allowed floor area ratio of 0.3, you may build 300 sqm (square meters) of house and 150 sqm (square meters) of outbuildings, which results in a floor area ratio of 0.45. Alternatively, you could build 200 sqm (square meters) of house and 250 sqm (square meters) of outbuildings, which also totals 0.45. However, the house itself must not exceed 300 sqm (square meters).

The phrasing "since outbuildings may cover 50%" is quite misleading.

Great, many thanks for the clear explanations!
Your examples really make the topic much easier to understand and follow.

Best regards
Martin

aha, another phrase that makes you wonder what the legislator intended to achieve thank you

As confirmed again by knallkörper, it really is that way. In our case, it was exactly the same in the building notification back then, and no one ever complained.
The main thing to focus on is the building footprint; for outbuildings, it may be possible to exceed 50% (especially with small plots and tight floor area ratio limits). However, this must be explicitly clarified with the authorities, etc.
Everything is explained in detail in the article mentioned on the previous page...

MartinL schrieb:
In conversations with different people, I have received varying statements

, all of which can be correct.

As payday already mentioned, the calculation method depends on the zoning plan. If the zoning plan makes no specifications on how to calculate the plot ratio / floor area ratio, the determination is based on the date when the zoning plan was made public. Specifically regarding the question of carports/garages, the 1990 Land Use Ordinance is decisive. For construction projects in areas covered by zoning plans that were published before this Land Use Ordinance came into effect, only the area of the main buildings is included in the calculation, so garages, carports, access paths, and ancillary buildings are excluded. From 1990 onwards, the method is as described by payday, whereby a terrace directly attached to the house is considered part of the main building and must therefore be added to the plot ratio.

For completeness, the earlier Land Use Ordinances from 1962, 1968, and 1977 should also be mentioned; these only have minor differences in calculation regarding balconies and loggias.

What exactly is meant by a "terrace directly adjacent to the house"? And where does it say that it is fully included in the calculations? Because according to the regulation mentioned, that is not stated there.