All information is provided as is, with no guarantee of completeness, accuracy, timeliness or of the results obtained from the use of this information, and without warranty of any kind, express or implied, including, but not limited to warrantees of performance, merchantability and fitness for a particular purpose.
The total cost for painting an interior will run about $1.02 per square foot (about $390 for the for a 12x12 room) of wall space being painted.
The average cost to paint an interior is about $0.45 per square foot per coat of paint. Factors such as high ceilings can increase the cost slightly. Another factor that can i â¦ ncrease the cost is the condition of the substrate being painted.ne more very important factor is the amount of painting to be done. For example, if you're looking to have a room 12x12 painted. Let's say walls, ceiling, and baseboard only, with furniture to be moved and protected. The average total for this room would be about $2.5 x 144 sf = $360 materials & labor.