Several factors can affect the costs of window glass repair in Stratford. Mostly, it depends on upon the damage, what part of the window is damaged and the labor cost. Fixing a window glass frame can cost from $25 to $40. If the sill is damaged, it can be replaced for $90 to $250 including the material. If the frames have to be removed and rebuilt, it can cost you around $300 to $800. If there is broken glass that needs to be replaced, it can cost you around $3 to $18 per square foot. If the sash is damaged and needs to be replaced too, expect to pay between $50 and $300. Labor cost can be around $100 to $300.