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*The Angi rating for Egress Window Service companies in Union, MS is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Egress Window Service needs.

*The HomeAdvisor rating for Egress Window Service companies in Union, MS is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Egress Window Service needs.

Last update on April 21, 2026

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Egress Windows questions, answered by experts

Yes, you can install a bay window in an existing house. You’ll need to have a structural engineer draw up plans to add the necessary support to your exterior load-bearing walls and a general contractor to make the changes to the framing around the new wall opening. This will cost an average of $3,000. After that work is done, a window installer can set the new bay window in place.

Most professionals can enlarge a window in five to 10 hours, depending on the window location, the exterior wall material, how easy it is to cut through it, and how much buildback you’ll need after the installation is complete. However, more complex projects can take two to three days from start to finish.

You install a window well 8 to 12 inches deeper than the base of the window sill. After filling the well with drainage rock, the well should sit 3 inches below the bottom of the window. The top of the window well should also be at least 3 inches higher than the surface-grade ground. The window well should be about 6 inches wider than the window opening.

If improperly installed, an egress window can compromise your foundation’s structural integrity, so it’s important to work with a pro to ensure your foundation remains in good shape. Any money you may save on a DIY egress window installation may cost you in the long run if your foundation is damaged in the process.

Yes, you absolutely need a permit to add a window to your house. Your contractor can likely obtain this permit on your behalf. Ask about this when getting quotes from multiple window contractors.

The Union, MS homeowners’ guide to egress window services

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

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