Reference for cost per square foot pricing on interior house painting projects for drywall, wall surfaces and trim areas of the home..HomeAdvisor’s Home Interior Painting Cost Guide surveys homeowners to reveal the average price for painting a home’s interior including painting a room..Nashville’s professional painters for exterior and interior house painting. Nash Painting proudly serves Middle Tennessee with top quality home painting..Painting the interiors of a home is often thought of as a DIY project, but the expense of professional services provides a high quality look and can free up your time .
Calculating Room Painting Costs. The cost to paint an average size room X ranges from $ $, not including ceilings, trim or cost of the paint. DIY, this can cost between $ $. When estimating the cost, painters will start with how much paint will be required to complete the job..According to the Craftsman Book Company, adding doors to any wall paint job costs between $ and $ per door inclusive of labor . If the walls require t., adding trim to any wall paint job costs between $ and $ per room..