Window replacement costs in Coastal Carolina can range from $5,000 for a small partial job to well over $40,000 for a full whole-home impact project. Here's what actually moves the number:

• Material: Vinyl is the most affordable and most popular. Fiberglass performs better in coastal humidity and salt air but costs more. Wood carries the highest price tag and requires more upkeep — it's rarely recommended for oceanfront homes.
• Impact vs. standard glass: Impact-rated windows can add 45–60% to window cost. However, many homeowners recoup part of that through reduced insurance premiums and by eliminating the need for hurricane shutters.
• Project size: Whole-home replacements typically cost less per window than replacing one or two at a time because installation labor and mobilization are spread across the full project.
• Installation conditions: Older homes in coastal areas often have wood rot or soft framing around window openings. Finding and fixing that during installation adds cost — but it has to be done correctly or your new windows won't seal or hold properly.
• Product tier within each material: Even within vinyl, there are entry-level, mid-range, and premium product lines with meaningfully different performance specs and price points.

The best way to get a firm number is a free in-home assessment. That's where we measure every opening, check for hidden issues, and give you a real price — not a range.

• Window product cost (materials and hardware)
• Professional installation labor
• Standard interior and exterior trim and casing
• Haul-away and disposal of old windows
• Caulking and weather sealing at install
• Manufacturer product warranty
• Wallaby Windows installation workmanship warranty
• Free 23-month post-installation inspection

These are the most common reasons a final quote comes in higher than a ballpark estimate:

• Wood rot or structural damage discovered around the window frame during removal — common in older coastal homes and almost always needs to be repaired for the new window to seal properly
• Non-standard or custom window sizes that can't be filled with a stock product and require a special order
• Upper-floor or difficult-access windows that require scaffolding, extended ladders, or more setup time
• Interior finish upgrades — custom trim profiles, jamb extensions, or wrapping that go beyond standard casing
• Permit fees depending on your municipality or HOA requirements
• Material or glass package upgrades — obscure glass, specialty colors, or a higher-performance SHGC/U-factor package

Our free assessment is specifically designed to catch all of these upfront, so there are no surprises on install day.