How do you accurately determine the cost to paint a Hall Room in Lucerne with including ceilings, 1 doors, and 2 windows, having dimensions 9m x 4m?

To determine the cost to paint a Hall Room in Lucerne accurately, considering including ceilings, 1 doors, and 2 windows, with dimensions 9m x 4m, you need to pay CHF 630.00.

*) The calculations are approximate, based on a room height of 2.4m, and include one coat of paint. The price covers only the labor, excluding any services or materials.