The average Dedham window washing charge goes from $3 to $8 per pane. As an alternative, a few companies change by the hour rate. It has been reported that the majority of homeowners are shelling out typically $270 to get an entire house window washing service that can consist of doors and screens. Despite the fact that window washing might sound like a relatively straightforward and easy job, there are factors which might have an impact on the final cost like exactly how stained could the glass be, the number of windows, accessibility, and whether it is an interior or exterior washing.