Calculation of built-up space

  • Erstellt am 2017-04-08 10:44:37

mikiliki1232

2017-04-08 10:44:37
  • #1
Hello,

Can someone help me how to calculate the converted space?
I have a quote and now want to know how many m3 my floor plan has.

Key data house.
9.875 * 10.75 m floor area.
2 full floors
No basement
Concrete slab 0.25 m
Ground floor height 2.60 m
Ceiling upper floor 0.20 m
Upper floor height 2.72 m
Ceiling attic 0.18 m
Gable roof 30 degrees

Key data adjacent garage:
6.23 * 8.33 m floor area
Garage height 2.74 m

Does the attic have to be included? I've heard something about a factor of 0.5.

It would be great if someone knew how it works
 

toxicmolotof

2017-04-08 13:34:36
  • #2
You calculate the volume, nothing is halved.

But with the information given, no one can calculate the volume, as the floor slab and ceiling including the floor structure hardly have these measurements. Or are the room dimensions rough?
 

11ant

2017-04-08 14:00:59
  • #3


You're in the wrong place: the half-calculation concerns the area specifications in the floor plan, between 2 and 1 m height.

Instead of "built-up volume," people now talk about "gross volume." This GVI exists in classes a = enclosed / b = covered / c = open.

The calculation methods and weighting factors vary depending on the standard. For building permits, the actual floor height applies (room height plus ceiling thickness / roof thickness), but real estate financiers also use fixed factors (e.g., fictitious floor height 2.80 m for full floors, and different factors for attics depending on whether they are developed or not).

How "one" calculates it therefore also depends on who wants to hear the result. Without specifying the standard / calculation method used, the result figures cannot be interpreted.

Different calculation and weighting methods apply for the related question of the building mass number.

Unfortunately, linking is not allowed here, but you can find explanations under GVI and on elkage.de, and calculation sheets from several real estate agents / financiers.


then those are already correct; if from finished plastered measurements, 2% should be deducted.
 

toxicmolotof

2017-04-08 14:13:29
  • #4
So the ground floor is supposed to have a finished room height of about 2.45m?

Under the condition that the short side is the gable, the following calculation should fit:

BRI (total) = (9.875 * 10.75) * (0.25 + 2.60 + 0.20 + 2.72 + 0.18) + (9.875 * 10.75) * 2.85 / 2 + 6.23 * 8.33 * 2.74

Whether and to what extent this helps you... your choice.
 

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