Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Replacement Across Coral Gables
Window replacement in Coral Gables typically runs $1,800-$4,500 per opening for full-frame impact-rated units, with insert replacements starting around $950-$1,800 per window. Most projects require 4-8 weeks from measured survey to installation once both the Building Division permit and Historic Preservation Board Certificate of Appropriateness are in hand. Call (786) 321-3319 to schedule your free measured survey, and we’ll hand you the written price before any work starts.
We serve Coral Gables from our Miami office, with crews working locally through neighborhoods like the Country Club Section, Cocoplum, and the Alhambra corridor. Our Window Replacement team knows the difference between a standard Miami-Dade NOA permit job and one that must also clear historic review. That distinction matters here more than almost anywhere else in Florida.
Why Sightline Windows & Doors Kendall Is Coral Gables’s Preferred Window Replacement Company
Sightline is independently owned and operated under the Haven Standard, which has governed every one of the 18,000+ windows and doors we’ve installed since 2012. In Coral Gables, that standard means something specific: we don’t order a single sash until we’ve confirmed both your Building Division permit path and your historic district status. The homeowner keeps the measured survey. The written quote cannot differ from it.
Our technicians are background-checked, uniformed, and identified by license number before arrival - Haven Clause 3, Verified Crews. Live phone coverage is available 24/7 at (786) 321-3319, not a voicemail queue or callback window. We’ve built our Coral Gables reputation on documented photo records, not verbal assurances.
We offer a free second opinion on any written estimate from another contractor. Bring us their scope and we’ll review it at no charge, line item by line item.
Our Window Replacement Services in Coral Gables

Full Frame Replacement
Full frame replacement in Coral Gables means removing the entire window unit down to the rough opening, inspecting the framing, and installing a new jamb, sill, and sash as one assembly. On Merrick-era homes, this almost always reveals something: undersized original framing, failed waterproofing, or oolite limestone that requires special anchoring rather than standard fasteners. We build inspection time and material allowances into the contract before we touch a wall. Any surprise is priced and approved in writing, per Haven Clause 1 - the measurement and the quote are the same document.

Insert Window Replacement
Insert replacement fits a new window into the existing frame, preserving interior and exterior trim. In Coral Gables, this works when the original frame is sound and the opening is reasonably square. But many Mediterranean Revival homes have settled frames or arched tops that rule out standard inserts. We measure sightlines and frame squareness to determine if an insert will perform, or if full frame is the honest recommendation.

Vinyl Replacement Windows
Vinyl windows in Coral Gables must carry Miami-Dade NOA approval for high-velocity hurricane zones, and they must survive our salt-laden air. We specify vinyl frames with multi-chamber construction and proper thermal breaks, not the commodity-grade products that chalk or warp within a few seasons. For historic district properties, we source vinyl or vinyl-clad units with applied muntins and custom exterior colors that approximate original wood profiles.

Energy-Efficient Upgrade
Coral Gables’s cooling load is substantial eight months of the year. We specify low-E coatings, argon fill, and U-factors below 0.30 where the opening allows, with SHGC tuned to your home’s orientation. The right glazing package can reduce HVAC runtime measurably. We document the before-and-after performance specs in your written scope so you have evidence for wind mitigation and energy rebate applications.

Window Maintenance & Care
Maintenance on older Coral Gables windows often reveals the real condition of the assembly: corroded balances, failed weatherstripping, or glazing compound that has hardened past sealing. Our maintenance visits include a documented photo record of what we find, with a written recommendation on whether repair or replacement is the sounder investment. Sometimes maintenance extends service life by years. Sometimes it confirms that the unit has reached end of useful life. We say which, and we show our work.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Before
AfterTrusted Brands We Service in Coral Gables
We draw from eight verified manufacturer lines, specifying by what the opening requires rather than what is in stock. For Coral Gables’s historic and impact-rated demands, we regularly deploy PGT and CGI for impact-rated aluminum and vinyl systems with NOA documentation ready for permit submission. Therma-Tru and ViewLux cover entry door and sliding and patio door specialty applications where sightline and divided-lite authenticity matter. We do not stock inventory in a warehouse and hope it fits. We measure, we specify, we order - and the product arrives with the documentation the Building Division and Historic Preservation Board expect to see.
Common Window Replacement Problems We See in Coral Gables Homes

- Off-the-shelf impact windows failing historic review. Big-box impact units may carry Miami-Dade NOA approval but lack the muntin profiles, true divided lites, or exterior finishes the Historic Preservation Board requires. We source custom or semi-custom products with architectural documentation before ordering.
- Separate approval tracks causing mid-job halts. A Building Division permit does not constitute historic approval. Jobs have been stopped mid-installation for missing the Certificate of Appropriateness. We pull both tracks before fabrication begins.
- Salt corrosion on standard aluminum frames. Coral Gables’s Biscayne Bay proximity accelerates hardware and finish failure on aluminum without proper thermal breaks and marine-grade coatings. We specify finishes rated for this environment.
- Non-standard rough openings from original construction. George Merrick-era homes feature arched, radius-top, and irregular casement openings that are almost never catalog sizes. Custom fabrication is standard here, not exceptional.
Pricing for Window Replacement in Coral Gables, FL
| Service Type | Typical Range per Opening | Notes |
|---|---|---|
| Insert replacement, vinyl, standard size | $950 - $1,800 | Existing frame sound; NOA product |
| Full frame replacement, vinyl or aluminum | $1,800 - $3,200 | Includes new jamb, sill, flashing |
| Full frame, custom/architectural grade | $2,800 - $4,500 | Historic district; true divided lites; radius-top |
| Energy-efficient upgrade package | Add $180 - $340 per opening | Low-E/argon; documented U-factor/SHGC |
| Window maintenance & inspection | $180 - $340 per visit | Documented photo record included |
These ranges reflect Coral Gables’s market specifically: custom fabrication for non-standard openings, dual-track permitting, and marine-grade finishes add cost compared to inland municipalities. What moves the number within the range is frame condition, opening geometry, and the product tier required. We do not quote over the phone. The measured survey we conduct and you keep becomes the basis for the written price. Call (786) 321-3319 to schedule yours - estimates are free.
We Also Serve Cities Near Coral Gables

Our crews work throughout the Miami metro area, with Window Replacement in Coral Gables as a core service territory. Scheduling and dispatch are coordinated from our Miami office, with local installation teams deployed to Coral Gables properties daily.
Serving Coral Gables, FL - Our Local Coverage Area
We’re based in the Coral Gables area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Window Replacement in Coral Gables

Yes. Even like-for-like replacements in Coral Gables’s designated historic districts require a Certificate of Appropriateness from the Historic Preservation Board before installation begins. The Building Division will halt work if this document is not on file, regardless of whether a building permit was already issued. We verify your district status and pull both approvals before ordering any product. Call (786) 321-3319 and we’ll confirm your property’s requirements during the free measured survey.
Coral Gables sits within the Miami-Dade high-velocity hurricane zone, so every replacement window must carry a current Notice of Acceptance (NOA) from Miami-Dade County’s product control division. No exceptions exist for residential properties. We specify only NOA-documented products and include that documentation in your permit package. Call (786) 321-3319 for a written quote on approved products.
Yes, but it requires custom fabrication. Standard catalog sizes do not accommodate the arched and radius-top openings common in George Merrick-era Coral Gables homes. We measure the exact sightline and rough opening, then source impact-rated custom units from manufacturers like PGT and CGI with laminated interlayers and true divided lites that match original profiles. The lead time is longer - typically 6-8 weeks versus 3-4 for standard rectangles - and the price reflects the custom shop work. Call (786) 321-3319 for an exact quote.
They can. Florida insurers offer wind mitigation credits for documented impact-rated openings that meet or exceed the Florida Building Code. We provide the product documentation, installation photographs, and written scope that your inspector or agent needs to file for credits. The amount varies by carrier and policy. We do not guarantee a specific premium reduction, but we do guarantee the documentation will be complete and accurate. Call (786) 321-3319 to discuss how we structure the evidence package.
Coral Gables’s oolite limestone walls are extremely hard and brittle, requiring specialized anchoring techniques rather than standard wood-frame fasteners. On a 1926 Mediterranean Revival on Alhambra Circle, our crew opened the wall around a radius-top casement and found the original wood framing undersized and the oolite limestone needing special anchoring. We pulled both the Building Division permit and a Certificate of Appropriateness, then sourced a custom PGT impact-rated unit with true divided lites and a laminated glass interlayer that matched the original profile. After we shimmed, anchored, and flashed the new jamb, the homeowner passed historic review and saw their wind mitigation credits increase on their next insurance renewal. Coral rock adds labor time and requires experienced crews. We build both into the written scope. Call (786) 321-3319 for an estimate.
Ready to see exactly what your Coral Gables window replacement will cost? Call (786) 321-3319 to schedule your free measured survey. We’ll hand you the written price before any work starts, and the quote we give you is the same document that governs the installation. No change orders. No surprises. Haven Clause 1.
Written by Sonia Raman, Owner at Sightline Windows & Doors Kendall, serving Coral Gables under the Haven Standard since 2012.










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