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Last update on June 25, 2026

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Groundworks
4.4(
341
)

Serving Williston, SC and surrounding areas

Approved (Corporate)

In business since 1986

Free estimates

Emergency services offered

"Carnell & John were professional & efficient! Work was explained & questions answered."
Foundation
Foundation
Foundation
Foundation
Foundation

+13

Response time1 day
109 neighbors recently requested a quote
Recommended by88%of homeowners
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Egress Windows questions, answered by experts

Costs depend on window size, type, material, and labor. Custom shapes or sizes typically incur higher expenses; full installation includes removing old windows.

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.

There are a few ways to save money on egress window installation. First, choosing pre-fabricated windows instead of custom windows can help dramatically reduce the overall cost. In addition, skipping window extras, like customized frames or window film, can help save money on the price tag without sacrificing the window itself. You should also shop around to multiple window installers to find the best installation deal without sacrificing the quality of the window.

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.

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

The Williston, SC 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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