ᐅ Possible Building Area / Living Space

I made a mistake with the floor area ratio; it is actually 0.5.

My brother and I are planning a duplex with 3 to 4 residential units to move in together with our parents, so we need as much buildable area as possible.

11ant schrieb:

What is more interesting regarding the site coverage ratio (in principle) is how much it may be exceeded if driveway areas, etc., are included. In the specific case of an effective lot size of 269 m² (2893 ft²) and a total floor area of 462 m² (4971 ft²), I can clearly see that a comfortably sized house is possible without nitpicking or tricks, unless the seventh child is not yet the last one.

Hausbau20mr schrieb:

My brother and I are planning a semi-detached house with 3 and 4 residential units respectively, to live together with our parents, so we need as much building area as possible.

When living together with your brother and parents, comfort is the priority, so square meters (square feet) are a less useful measure compared to what a land developer or builder of condominiums might focus on.

Hausbau20mr schrieb:

I misread the floor area ratio; it is actually 0.5.

A site coverage ratio of 0.35 and a floor area ratio of 0.5 are typical proportions for development limited to one full storey (floor). It is advisable to provide as many details as possible in this forum—not only those you already know you might have trouble interpreting correctly.

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Two full stories are permitted, with a maximum ridge height of 9.5m (31 feet). Up to three residential units are allowed per dwelling (for semi-detached houses, each half counts as one unit). The building area is located in Hesse.

Hausbau20mr schrieb:

My brother and I are planning a semi-detached house with 3 and 4 residential units, respectively, to move in together with our parents, so we need as much building area as possible.

It is important that more than two residential units are allowed to be built. Often they are limited to two units.
Then it must be clearly stated in the zoning plan whether ancillary facilities such as access roads and garages/parking spaces are allowed to double the floor area ratio.
Also, the number of parking spaces per unit is important. All of this needs to fit together.
What does the zoning plan say about the number of storeys and related regulations?

Hausbau20mr schrieb:

Two full stories are permitted, and the maximum ridge height is specified as 9.5 meters (31 feet). Up to three residential units per dwelling are allowed (in the case of semi-detached houses, each half counts separately). The building area is located in Hesse.

Sorry, I didn’t read that before I wrote.

As far as I know, the zoning plan does not specify whether secondary structures are allowed to be duplicated. Unfortunately, the plan cannot be uploaded here.

ypg schrieb:

It is important that more than two residential units are permitted. Often, they are limited to two.
Then it must be explicitly stated in the zoning plan whether the floor area ratio for secondary structures such as driveways and garages/parking spaces may be doubled.
Also, the number of parking spaces per residential unit is important. Everything has to fit together.
What does the zoning plan say about the number of storeys and such?