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

Egress Windows FAQs, answered by experts

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.

They meet local code demands for escape routes, lighten basements, and aid in reducing overall humidity.

Yes, you can always make an existing window bigger, but the job complexity varies widely depending on the location of the window and the framing around it. Exterior walls are always load-bearing, so making windows wider will require structural changes that make for a more complex but doable project. Making windows taller often won’t require structural changes.

New window installation costs range from $300 to $1,500 per window, depending on size, material, and energy efficiency features.

Egress windows are typically required for basements with habitable space or living quarters. Not all basements or lower levels require egress windows. However, egress windows are required in homes with living spaces such as bedrooms and living rooms in a basement. The International Residential Code and International Building Code require sleeping rooms to have a specific size egress window. Check your local building codes to confirm the requirements in your area.

The Jefferson, SC homeowners’ guide to egress window services

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