This change does not mean that you could add a third story to 50 of your house.
Does the attic count in far.
Step 1 create a rough sketch of your attic on a piece of paper.
With full home additions costing 75 000 minimum and usually far higher many homeowners search for creative ways to increase living space without overly decreasing their bank account.
Far 5 0 means that the floor area may be up to five times as large as the lot area.
One way is by working within the home s existing footprint and converting the attic into living space.
And far 0 5 that it may be no more than half the lot area.
Floor area ratio far is the measurement of a building s floor area in relation to the size of the lot parcel that the building is located on.
Attic allowance in lower density growth management areas.
An attic allowance is an increase of up to 20 percent in the maximum floor area ratio far for the provision of a pitched roof.
Though a floor area ratio affects volume shape and spacing of buildings on the land it does not determine a particular shape or spacing.
If there is no vapor barrier double it to one square foot of nfa for every 150 square feet of attic floor space half for intake half for exhaust.
Far is expressed as a decimal number and is derived by dividing the total area of the building by the total area of the parcel building area lot area.
The attic floor area would not count in far so long as that area it is no larger than 50 of the floor area immediately below the attic.
Normally an attic will not be counted as a storey by estate agents they count the floors beneath the roof level.
Square footage relates to the floor area only and does not factor in the height of the attic space.
Cellars are not usually counted either but a house will.
The allowance is available in r2x districts and all r3 and r4 except r4b districts.
Attic floor area and far.
With a tape measure and some simple mathematical formulas you can easily calculate your attic s square footage.