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Last update on June 05, 2026

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Avatar for JES Foundation Repair
JES Foundation Repair
4.1(
607
)

Serving Ferrum, VA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1993

Free estimates

Warranties offered

"Upon discovering that when our now four-year-old home was built, the support beams in our crawlspace had not been properly installed, nor had adequate ventilation been provided resulting in the stability of our home being in jeopardy. We began a search for a reputable company to address our issues. We found JES. We were fortunate to have Charles Logan as the representative to assess our needs. Charles was very thorough in determining what needed to be done. Zachary Conner and Michael Kimberlin were assigned to perform the work. They were very conscientious in taking the steps that were needed and keeping us well informed along the way. Charles, Zachary, and Michael were very professional, very pleasant, and respectful of our property. Thank you for putting our minds at ease and in making our home feel safe."
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Egress Windows questions, 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.

Egress windows require regular maintenance to ensure they function correctly. This includes cleaning the glass, inspecting the frame and well for debris, and making sure the cover or well drains properly. It is also important to check that the window sills and wells are watertight and to inspect and repair any damage to the window frame or seals to prevent leaks and maintain functionality.

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.

The average cost to install an egress window is approximately $3,900, with a typical range between $2,500 and $5,300, though costs can be higher. The final price is influenced by several factors, including the window's size, type, material, and glass quality. Other variables include labor costs, location, excavation needs, and whether permits or a structural engineer consultation are required. The price of the window itself often depends on the number of panes:

  • Single-pane: $100–$400

  • Double-pane: $200–$500

  • Triple-pane: $300–$800

Additional features like window wells or covers will also increase the total project cost. It is advisable to obtain multiple quotes from professionals to get a comprehensive understanding of the expenses for your specific project.

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.

The Ferrum, VA homeowners’ guide to egress window services

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