Minimum Ceiling Height Attic Bedroom

The bca sets out the minimum ceiling heights for different rooms.

Minimum ceiling height attic bedroom.

Portions of a room with a sloping ceiling measuring less than 5 feet 1524 mm or a furred ceiling measuring less than 7 feet 2134 mm from the finished floor to the finished ceiling shall not be considered as contributing to the minimum required habitable area for that room. Room area is this case is calculated as the total floor space with walls at least 5 feet tall. The rest can be less than 7 feet. Living areas and hallways must have a ceiling height of 7 feet or more and bathrooms and laundry rooms must be at least 6 feet 8 inches tall.

The minimum ceiling height in rooms with sloped ceilings such as a finished attic space is 7 feet over at least 50 percent of the room area. However you can pay extra for it to be higher at 2 55m 2 7m or 3m when building. 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. Basements without habitable spaces and hallways shall have a minimum ceiling height of no less than 6 feet 8 inches.

You could get away with 210 cm 240 cm for studies bathrooms children s rooms etc. R304 4 height effect on room area. Minimum ceiling height for basements with no habitable spaces section r305 1 1. If a room has a sloping ceiling which is common in attics at least 50 percent of the room area must have a 7 foot ceiling.

Quite easily but i d recommend keeping above 240 cm for living areas and master bedrooms if you can. One way is by working within the home s existing footprint and converting the attic into living space. The standard ceiling height for most houses in australia is 2 4m. In other words if your attic has 200 square feet over which the ceiling is at least 5 feet high then for a minimum of 100 square feet 50 of 200 that is the ceiling height needs to be at.

210 cm 200cm if really pushing it standard ceiling height. As a result you can t choose to go lower than these requirements laid down by this code. In an attic room with a sloping ceiling or projection below ceiling line or non habitable room or similar a height that does not unduly interfere with the proper functioning of the room or space. In a stairway 2 0m measured vertically above the nosing line.

Section r305 1 1 indicates the minimum ceiling height for basements without habitable spaces and hallways.