Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Installation Across Coral Gables
Window installation in Coral Gables comes with a rule most contractors never mention: the window that clears Miami-Dade’s wind code and the window that clears Coral Gables’ Board of Architects are rarely the same stock unit. You need a product that carries a Miami-Dade County NOA for High-Velocity Hurricane Zone compliance and still presents the right divided-light profile, finish, and frame proportion for the city’s design review. That dual approval is the entire job here, and most crews don’t know it exists until a stop-work order shows up on the door. Winslow Windows & Doors has been navigating both standards since 2011. Call (727) 620-6983 and you’ll get Ed Winslow’s team, not a ticket number.
Key Takeaways for Coral Gables Homeowners
- Every exterior window needs a Miami-Dade County NOA. Full stop. Inspectors in Coral Gables treat HVHZ compliance as life safety, not a suggestion.
- Historic-district properties need a separate Board of Architects design-review approval, on top of the building permit. Skipping it can force you to restore original openings at your own expense.
- Salt air from the Coral Gables Waterway and Biscayne Bay corrodes zinc-coated steel hardware fast. Marine-grade stainless and Kynar-coated aluminum are not upgrades here; they’re what keeps the window in the wall.
- Typical impact window installation in Coral Gables runs $800-$1,500 per window, with large or custom openings reaching $2,500-$5,000. Board-compliant casements cost more than big-box double-hungs for a reason.
Why Winslow Windows & Doors Is Coral Gables’s Preferred Window Installation Company
Ed Winslow put his name on this business in 2011, and the name travels with every crew that pulls up to a Coral Gables job site. We’re not a franchise with a rotating cast of subcontractors. The technicians who install your windows are background-checked, uniformed, and employed by us, which means the person who measures the opening is accountable to the person whose name is on the invoice.
That matters more in Coral Gables than almost anywhere else in Miami-Dade. Homes here sit inside one of Florida’s strictest historic preservation regimes. The Board of Architects reviews window profiles, divided-light patterns, finish colors, and frame depths on Mediterranean Revival homes and in the city’s historic districts. A contractor who treats Coral Gables like Pinecrest gets your project red-tagged. We don’t. We know the review triggers, we know which products clear them, and we’ve done enough board-approved work in the Riviera Park area and along Alhambra Circle to know what gets signed off and what gets sent back.
Our Coral Gables customers call one number, (727) 620-6983, and a live person answers. No voicemail loop, no next-business-day callback. If you’ve got a window that failed a wind test or a casement that won’t seal before the next afternoon storm, we pick up.
Our Window Installation Services in Coral Gables
We install and replace every window type a Coral Gables home is likely to need, from the original steel and wood casements in George Merrick’s stock to the modern impact units required on new openings. Our Window Installation team measures, specs, and installs each type below with the same standard: a Miami-Dade NOA and a clean design-review pass where the city requires one.
Casement Windows
Casements are the workhorse of Coral Gables’ older housing stock. The original 1920s and 1930s steel casements found throughout the Golden Triangle and Country Club neighborhoods were built for an era before laminated impact glass. They rust, their hinges seize, and their frames lose their seal. We replace them with modern impact-rated casements that keep the narrow profile and divided-light look the Board of Architects expects, using thermally broken aluminum or Kynar-coated frames that survive the canal-zone salt air. The result is a window that looks like it belongs on the house and holds its Miami-Dade design pressure when a storm comes through.

Awning & Hopper Windows
Awning windows hinge at the top and open outward, which makes them a natural fit for the deep wall reveals common on Coral Gables’ coral-rock and early CBS construction. Hopper windows hinge at the bottom and often show up in basements and utility rooms. Both types need careful attention to the jamb depth and flashing detail, because a shallow install on a thick masonry wall creates exactly the kind of water path that rots sills and stains interior plaster. We set these units with extended jamb adapters and marine-grade fasteners so they seal tight against the wall, not just against the drywall.

Picture & Fixed Windows
Fixed picture windows give you the view without the operable hardware, but in Coral Gables the wind load is the same whether the sash moves or not. A picture window on an east-facing wall off Old Cutler Road gets hit with the full brunt of hurricane-driven rain. We spec these units with design pressures matched to the specific opening, using laminated or insulated glass packages that hold a Miami-Dade NOA for the size you actually have, not a generic rating from the back of a manufacturer’s catalog. Where the Board of Architects has jurisdiction, we keep the profile proportions and muntin patterns period-correct.

Horizontal Roller and 3-Panel Sliding Windows
For mid-century ranch homes and the later CBS construction scattered through south Coral Gables, horizontal rollers and 3-panel sliders do the heavy lifting. The weak point on these is almost always the track and the interlock at the meeting stile. We replace worn roller assemblies, rebuild the track bed, and set the frame so the sashes meet cleanly and lock under negative wind load. If your slider was installed without a NOA, the wind gets under the interlock and drives water into the wall cavity. We fix that with a proper replacement unit, not a bead of caulk.

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.
Trusted Brands We Service in Coral Gables
Winslow is an authorized installer for PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru. That lineup matters because Coral Gables jobs often need something specific: a PGT WinGuard unit one week, a CWS casement with a custom Kynar finish the next. We carry a working stock of common components and can source replacement parts for the brands we install without sending you back to a manufacturer’s call center. If you already have impact windows from one of those lines and something’s failed, we can help. If you need to know which of those brands clears Coral Gables design review for your particular street, we’ll tell you straight.
Common Window Installation Problems We See in Coral Gables Homes
- Corroded steel fasteners in masonry frames. Canal-zone homes within a few blocks of the Coral Gables Waterway eat zinc-coated hardware. The fasteners rust, expand, and crack the surrounding coral rock. We replace them with marine-grade stainless and the frame goes back in plumb.
- Sagging sashes on non-NOA double-hungs. A double-hung installed without a Miami-Dade NOA leaks air and water during routine afternoon thunderstorms, not just hurricanes. The sashes rack, the meeting rail gaps, and the wall cavity stays wet. We pull the old unit and install a rated replacement sized to the actual rough opening.
- Improper anchoring into deep coral-rock reveals. Coral Gables’ signature oolitic limestone is not standard CBS block. A crew that anchors a large-missile-rated frame with the wrong bit or the wrong embedment leaves the sash cocked, which means it won’t seal under negative wind load. We use masonry bits built for this material and build extended sub-sills where the reveal demands it.
- Stop-work orders on historic properties. A homeowner pulls a building permit, swaps the windows, and then gets a Board of Architects stop-work notice. The permit was never the only approval. We file the design-review paperwork as part of the job, so the install and the review happen in the right order.
What Window Installation Costs in Coral Gables
Impact windows in Coral Gables generally run $800 to $1,500 per window installed. A single impact-rated casement or single-hung with a standard opening falls in the $900 to $1,800 range. Large or custom openings, like a picture window on a living room wall or a bay assembly, run $2,500 to $5,000. Whole-home packages on a typical Coral Gables three-bedroom range from $8,000 to $25,000+ depending on opening count, frame material, and whether the property sits in a Board of Architects review zone.
What moves the number in Coral Gables more than anywhere else is the dual-approval cost. A board-compliant, impact-rated casement costs more than a big-box double-hung because the unit has to meet two standards at once: the Miami-Dade HVHZ wind-test gauntlet and the city’s aesthetic mandate for period-appropriate profiles, divided lights, and finishes. You’re not paying for a prettier sticker. You’re paying for the window that clears both agencies.
Call (727) 620-6983 and we’ll measure every opening, walk you through the options that actually pass in your part of Coral Gables, and hand you a written line-item quote. Estimates are free.
Pricing for Window Installation in Coral Gables, FL
Here’s the honest range, delivered without a sales pitch. A single impact window in Coral Gables, installed, starts around $800 and tops out around $1,500 for standard sizes. Double that for a large custom picture window or a 3-panel slider with tempered glass. If you’re on a canal or within a few blocks of the bay, expect to spend toward the upper end because the corrosion-resistant hardware and Kynar-coated frames that survive the salt air cost more up front, and any installer who quotes you the inland price is not building you a window that lasts.
The alternative is the classic Coral Gables trap: buy the cheap spec now, replace it in eight to ten years when the frames pit and the sashes seize. The coastal spec costs more today. The cheap spec costs more by the time you’ve paid for it twice. We quote both and recommend what we’d put on our own house.
Salt Air Decides the Materials, Not Just the Schedule
We lead every Coral Gables window conversation with the same question: how close are you to the water. Not because it changes the timeline, but because it changes which product in our catalog is actually correct. Homes within a few blocks of the Coral Gables Waterway, the Riviera Canal, or any of the tributaries that feed Biscayne Bay sit in salt-air conditions that corrode standard zinc-coated fasteners and factory hardware within a decade. The frame aluminum pits, the sash hardware binds, and the window that seals fine on a house off Bird Road leaks like a screen door on a canal lot.
So we specify differently down here. Anodized or Kynar-coated aluminum for the frames. Marine-grade stainless steel for every fastener, hinge, and operator. Sealed and flashed joints so the wind-driven rain from an afternoon thunderstorm doesn’t find a path into the wall cavity. The coastal-spec window often runs 20 to 30 percent more than the inland-spec version of the same size. That’s not a markup. That’s the cost of a window that doesn’t have to come out in 2035.
We see the failure in the 1930s houses all the time. Original steel casements, beautiful profile, rusted jamb behind the sill. The homeowners thought they were replacing windows. They were replacing what salt air had already taken. We’ve done enough of these across Riviera Park and along the water-facing streets of Tahiti Beach to know exactly what gives first and what to spec instead.
One True Coral Gables Insight
Here’s the thing that separates this city from every other market in Miami-Dade: Coral Gables is one of the few places where the visual impact of a window’s muntin profile must match the Mediterranean Revival aesthetic while the window still carries a Miami-Dade NOA for HVHZ compliance. Miami doesn’t enforce that. Pinecrest doesn’t. South Miami doesn’t. Coral Gables does.
That dual standard changes the product conversation. You can’t just order the cheapest impact window from a supply house and call it done. The divided-light pattern has to look right for a George Merrick-era facade. The finish has to match the existing hardware. The frame depth has to sit properly in a thick coral-rock wall with a deep reveal. If you get the wind compliance right and the board’s aesthetic wrong, the design review bounces you. If you get the aesthetic right and the NOA doesn’t exist, the building department won’t issue the permit. Sourcing a product that satisfies both is the entire job, and it’s why generic window pages don’t help you here.
On a 1930s coral-rock home in the Riviera Park Historic District, our crew replaced a failing original steel casement whose jamb had rusted through behind the sill. The homeowners wanted an energy-efficient impact-rated unit that would still pass Board of Architects review. We specified a low-profile CWS casement with a laminated glass interlayer, narrow divided lights, and a Kynar-coated bronze frame to match the existing hardware. Because the opening used oolitic limestone, our team used a hammer drill with masonry bits and built an extended sub-sill with marine-grade stainless fasteners. The project cleared design review because the profile and finish met period standards, and the NOA gave the architect confidence the system would hold its design pressure in a hurricane. That’s the standard we bring to every Coral Gables window job.
Florida Pays You Back
Florida offers real money back on impact window installation, and the stack is better than most homeowners realize. The My Safe Florida Home program provides matching grants up to $10,000 for qualifying wind-mitigation upgrades. Florida also exempts impact-resistant windows and doors from sales tax. The federal 25C energy credit covers 30% of the product cost, up to $600 per year on qualifying units. After a wind-mitigation inspection, which typically runs $75 to $150, many homeowners see windstorm-premium credits averaging around 25% on the windstorm portion of their policy. Programs and carriers set the final numbers, so we’ll point you to the documentation and let your insurer confirm what applies to your property.
We Also Serve Cities Near Coral Gables
Winslow Windows & Doors installs and replaces windows across south Florida, including Miami and Hialeah. If you’re in a neighboring city, our crews coordinate from the Miami (South FL) office and schedule the same way: live phone answer, written quote, background-checked technicians. Call (727) 620-6983 and we’ll confirm coverage for your street.
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 Installation in Coral Gables
Yes. For properties in a historic district, the Board of Architects requires a separate design-review approval for any exterior window or door alteration, and that review is entirely independent of the building permit. Contractors who skip it and pull only a standard permit routinely receive stop-work orders and can be forced to restore original openings at their own expense. We file the design-review paperwork as part of the job so the sequence is correct from the start. Call (727) 620-6983 for an exact answer on your property’s status and a free estimate.
Yes, in historic districts the Board of Architects can reject frame materials, finish colors, and divided-light patterns that don’t match the period character of the home. Vinyl frames and certain anodized finishes are frequently turned down on Mediterranean Revival and other architecturally significant properties. The board reviews the total window presentation, not just the performance rating. We spec products that hold both the Miami-Dade NOA and the aesthetic profile your district requires. Call (727) 620-6983 to talk it through.
Yes. Miami-Dade County requires a Notice of Acceptance for every window and door in the building envelope, not just the water-facing elevations. The requirement applies whether your home is on the Coral Gables Waterway, off Old Cutler Road, or inland near the University of Miami campus. The NOA tells the inspector the unit was tested and approved for installation in the High-Velocity Hurricane Zone. We install strictly per each NOA’s listed instructions, with no field substitutions. Call (727) 620-6983 for a quote on your specific openings.
A board-compliant impact casement with period-appropriate divided lights and a Kynar-coated finish typically runs 20 to 40 percent more than a standard big-box impact double-hung of similar size. The difference covers the narrower frame profile, the custom muntin pattern, the corrosion-resistant finish, and the additional design-review and documentation work. It’s the price of a window that passes both the city’s aesthetic review and Miami-Dade’s wind compliance. We quote both options and explain what each one gets you. Call (727) 620-6983 for a written line-item estimate.
Salt air. The original steel frames were not designed for constant marine exposure, and within a few blocks of the Coral Gables Waterway or any canal, the zinc-coated steel fasteners and hinge hardware rust, expand, and crack the surrounding masonry. The jamb rusts through behind the sill, the sash seizes, and the window stops sealing. We replace them with anodized or Kynar-coated aluminum frames and marine-grade stainless hardware, built to survive the same environment. Call (727) 620-6983 and we’ll assess your existing windows and recommend what actually lasts.
Get Your Coral Gables Window Installation Quote
Winslow Windows & Doors serves Coral Gables with a simple promise: Ed’s name is on the door, and the Done Right Promise is on every job. If it’s not done right, we make it right. You’ll get upfront pricing, a written line-item quote, and a live person on the phone when you call. No trip charge inside the home county. Free second opinions on written estimates. A standing 10% discount for seniors and veterans, and $40 off any repair over $200.
Call (727) 620-6983 today to schedule your free in-home measure and written estimate.
Written by Ed Winslow, Owner at Winslow Windows & Doors, serving Coral Gables since 2011.
Six Reasons Homeowners Choose Winslow Windows & Doors
Impact systems engineered to design pressures up to +/-100, matched to your wind zone - your openings hold when the storm arrives.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Florida homeowners average around 25% savings on the windstorm portion of their policy after protecting every opening - some homes qualify for more.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.










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