The sizes of attics depend on the size of the roof and the house.
Average attic size.
According to the 2006 international residential code r807 1 attic access homes with combustible materials in the ceiling and roof construction must have an access to attic areas that exceeds 30 square feet and with a vertical height of 30 inches or greater.
For a single story house this is usually the same as the square footage of the house itself plus any attached garage area.
Minimum opening size the 2012 international residential code requires an attic access opening for attics with an area greater than 30 square feet and a vertical height in excess of 30 inches.
As answer 2 states or suggests average is subjective and relative.
Of living space measures 40 by 45 at the exterior.
Divide this number by two.
Because they fill up the space in the uppermost floor and the roof their shapes vary.
The national average cost for home remodelers to renovate an attic ranges from 15 000 to 85 000.
The attic is the space located below the pitched roof of a house.
In other places it is called the sky parlor loft or garret.
Measure the height of your attic in feet.
Assume for a moment that a house at 1800 sq.
20 x 50 1 000 sq.
Example 20 wide by 50 long attic.
One might then assume that the floor of the attic might approximate those same measurements.
Ceilings building codes stipulate that in rooms with sloped ceilings such as attics at least 50 of the square footage must have ceilings that are 7 feet or higher to be considered livable space.
While converting an attic into a living space can carry a hefty up front price tag the remodeling costs could end up being an investment that increases your home value.
To determine the size of your attic multiply the width by the length of the attic floor in feet.
The compact attic ladder requires a minimum height of 28 and minimum depth of 44 inside the attic above and behind the opening.
For example if the height of your attic is 8 feet then 8 2 4.