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Top-Rated Egress window pros in Sumter - Updated Nov 2026

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Egress Windows FAQs, answered by experts

Adding windows to a house is expensive. Budget roughly $5,800 to add a single window, and double or triple that to add two or three. In some cases, adding a single window can exceed $20,000, depending on the type of exterior wall, the size of the window, the type of window, local permit costs, and other factors.

Basements are generally required to have windows for your safety. At a minimum, windows should provide an egress in the event of a fire. But basement windows do more than offer a way out; basement windows also offer natural light and ventilation in an area of your home that is otherwise dark and musty.

Expect excavation below grade, creating a well for access, weatherproofing, and thorough inspections during setup.

Because egress windows are meant for emergency exiting and entering, they need to be an accessible size. The smallest an egress window is allowed to be is 15 inches in width and height, with an opening of around 4 square feet.

Yes, with modifications or the use of adapter kits for tricky placements.

The Sumter, SC homeowners’ guide to egress window services

From average costs to expert advice, get all the answers you need to get your job done.