Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Impact Windows Across Coral Gables
Window Replacement in Coral Gables carries a compliance burden you won’t find in most of South Florida: a dual-track approval that runs through both the city’s Historic Preservation Board and Miami-Dade County’s NOA certification process. If you own a Merrick-era Mediterranean Revival home, you already know the arched openings and steel casements don’t accept off-the-shelf units. Winslow Windows & Doors handles the submittals, the product specs, and the install, so you don’t watch your openings sit boarded up while committees deliberate. Call (863) 251-5864 for a free estimate and we’ll walk you through what your specific home actually needs.
Why Winslow Windows & Doors Is Coral Gables’s Preferred Impact Windows Company
Ed Winslow’s name is on the door, and on every job we do. We’ve been installing impact-rated windows and doors since 2011, and we’ve worked on enough Merrick-era masonry homes to know that Coral Gables is not a standard market. The homes here have thick CBS walls, non-rectangular rough openings, and original steel or wood windows that have been out of service life for decades. We don’t send a sales rep who’s never touched a permit packet. We send crews who know what the Historic Preservation Board will ask for before they even see the submittal.
Our Coral Gables customers call us for two reasons: we answer the phone with a live person at any hour, and we don’t pretend the architectural review process doesn’t exist. Every quote we write for a contributing historic structure includes the HPB submittal timeline, the NOA spec sheets, and the fabrication lead time. No vague hand-waving. No change orders after the permit gets kicked back. Ed’s name is on the line with every arched PGT unit we custom-order.
When you call, you get a person. Not a voicemail loop. Not a call center. A person who knows Coral Gables and can tell you whether your home is in a contributing historic district, what that means for your window sizes, and how long review will realistically add. That’s the difference between a local owner-operator and a national chain that hands you a ticket number.
Our Impact Windows Services in Coral Gables
Custom Arched Impact Windows for Merrick-Era Homes
Coral Gables’s 1920s and 1930s Mediterranean Revival homes rarely have a rectangular opening that matches a stock impact unit. Arched tops, radius corners, and decorative surrounds are the norm, and the city’s architectural review demands the replacement match the original profile. We fabricate custom-radius and custom-arched units from PGT and CGI with laminated glass and reinforced frames that fit the existing masonry opening, glazing bar pattern and all. This is our bread and butter in the Country Club section, the Riviera, and the streets off Granada Boulevard.

Impact Casement and Awning Windows
Original steel casement windows on 1920s masonry homes are long past their service life, and replacements need to match both the profile and the operation. We install impact-rated casement and awning units that meet Miami-Dade NOA standards while keeping the sightlines your home’s architecture expects. The wrong rectangular insert leaves gaps that fail the large-missile rating. We measure every opening, not just a sample.

Full-Home Replacement Packages
When you’re replacing every window in a Coral Gables home, the sequencing matters. HPB review happens before the building permit, which means we file the historic submittal first, wait for sign-off, then pull the building permit and order fabrication. That keeps the job moving so you’re not waiting weeks with taped-up openings. Typical whole-home packages in Coral Gables run $8,000 to $25,000+ depending on opening count, floor height, and custom fabrication needs.

Impact Sliding Glass Doors and French Doors
Many Coral Gables homes have original arched French doors or wide sliding openings facing patios and gardens. Salt air from Biscayne Bay accelerates corrosion on aluminum frames, especially in eastern neighborhoods like Cocoplum, Gables Estates, and Snapper Creek. We install Sliding Glass & Patio Doors in Coral Gables and French door systems with thermally broken frames and Low-E glass that stand up to the marine environment better than standard aluminum.

What happens when you call
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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 Windows & Doors is an authorized installer for PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. For Coral Gables customers, the brand you pick matters less than the config: the unit has to carry a Miami-Dade County NOA, and the profile has to clear HPB review. We stock common parts for PGT and CGI units and can order custom fabrication from ECO Window Systems and Mr-Glass when the opening calls for something specific. Our relationship with these fabricators means we can quote accurate lead times instead of guessing.
Common Impact Windows Problems We See in Coral Gables Homes
- Contractors who file the building permit before HPB sign-off. This stalls the job 4 to 6 weeks while product specs bounce back for not matching the Merrick-era glazing bar pattern. We file the HPB submittal first, every time.
- Off-the-shelf rectangular units in arched rough openings. This is the most common and most expensive mistake we see in Coral Gables. The gaps fail the large-missile rating, the permit gets rejected, and the homeowner pays for re-fabrication.
- Salt-air corrosion on bay-facing aluminum frames. Homes east of Old Cutler Road, in neighborhoods like Cocoplum and Gables Estates, deal with accelerated pitting and seal failure. Fogging between the panes within a few years is a classic sign the wrong frame material was installed.
- UV degradation of seals and gaskets. Coral Gables sits between Biscayne Bay and Miami’s urban heat island, which means intense UV exposure. Cheap seals dry out and crack faster here than in Miami’s shadier neighborhoods, and impact windows with Low-E coatings handle that load far better.
Pricing for Impact Windows in Coral Gables, FL
Impact windows in Coral Gables generally run $800 to $1,500 per window installed for standard rectangular openings. Impact single-hung units run $900 to $1,800. Custom arched or radius openings, which are common in Merrick-era homes, run $2,500 to $5,000 per opening because the units are fabricated to your specific rough opening rather than pulled from a stock list. Whole-home packages across a typical Coral Gables masonry home run $8,000 to $25,000+. What moves the number: opening count, wind zone requirements, floor height (second-story installs cost more), frame material, and whether your home requires HPB review. Call (863) 251-5864 for a free in-home measure and a written line-item quote. No surprises on the invoice.
What Impact Windows Costs in Coral Gables
Beyond the per-window numbers above, here’s what actually drives cost in Coral Gables specifically. First, the opening shape. A 3-foot by 5-foot rectangular impact window is a stock unit. A 3-foot by 5-foot arched window with a true radius top is a custom fabrication, and that’s a different price bracket. Second, the wind zone. Coral Gables falls under Miami-Dade’s High Velocity Hurricane Zone, which means every unit needs a NOA product approval and design pressures matched to the opening. We never quote a unit with a design pressure above +/-100 PSF; the actual rating depends on the size, floor height, and exposure. Third, the frame material. Aluminum is standard, but for bay-facing homes in Cocoplum or Gables Estates we recommend thermally broken aluminum or vinyl to resist salt-air corrosion. The free in-home measure tells us exactly what your openings need and what the permit path looks like. Call (863) 251-5864 to schedule yours.
Florida Pays You Back
The incentives stack if you qualify. The My Safe Florida Home program offers matching grants up to $10,000 for qualifying wind-mitigation upgrades, and impact windows are a covered improvement. Florida also exempts impact-resistant windows and doors from sales tax, which shaves 6% off the material cost right away. On the federal side, the 25C energy credit returns up to $600 per year on qualifying energy-efficient units with Low-E coatings. And most Coral Gables homeowners see a windstorm-premium credit around 25% on the windstorm portion after passing a wind-mitigation inspection, which typically costs $75 to $150. Programs change and carriers set their own numbers, so we can’t guarantee a specific dollar amount. But the stack is real, and we’ll show you how to document the work so your credits actually come through.
The Coral Gables Approval Reality: HPB and NOA, Together
Here’s what makes Coral Gables different from Pinecrest, South Miami, or unincorporated Miami-Dade: if your home sits in a contributing historic district, you need two approvals running in parallel before the Building and Zoning Department will even issue a permit. First, the city’s Historic Preservation Board has to sign off on the replacement design, which means submittal spec sheets proving the new impact unit matches the original profile, glazing bar pattern, and finish. Second, the unit itself has to carry a Miami-Dade County NOA, which is a product-level hurricane-impact certification above the standard Florida Building Code. Contractors new to Coral Gables routinely get this ordering wrong. They pull the building permit first and watch it stall for 4 to 6 weeks while HPB bounces the specs. We file the HPB submittal first, order fabrication once the design clears, and pull the building permit as the second step. That sequencing is the difference between a job that moves and a job that sits half-finished waiting on a committee.
On a 1930s Merrick-era Mediterranean Revival home in the Country Club section, our crew custom-fabricated arched PGT impact windows with a laminated glass interlayer to match the original steel casement profile and wrought-iron grille details. We filed the HPB submittal packet with product spec sheets showing the replacement’s glazing bar pattern and finish, then coordinated the NOA permit so the arched non-rectangular openings never sat boarded up waiting on approval. The review added about five weeks to the calendar, which we had already built into the schedule before the first window came out. That’s how you do it in Coral Gables without leaving your home exposed.
Impact Windows vs. Hurricane Shutters in Coral Gables
Shutters do one thing: they cover an opening during a storm. Impact windows do that permanently, plus they cut cooling bills, reduce street noise, and never need to be hauled out of a garage at 2 a.m. when a storm track shifts. For Coral Gables homeowners, there’s another angle: the HPB review applies to the window units themselves, which means impact windows in a historically appropriate profile can clear review just as easily as any replacement. Shutters still leave your original single-pane windows behind, which means you’re deferring the replacement, not solving it. We don’t install hurricane shutters. We install impact windows that meet the NOA standard and look right on your Coral Gables home. One permanent fix, no panels to hang.
We Also Serve Cities Near Coral Gables
Our Impact Windows team serves Coral Gables and the surrounding South Florida communities, including Impact Windows in Coral Gables neighbors in Miami. If you’re in a nearby city and wondering whether the HPB process applies to your home, call us. Chances are it doesn’t, which changes the timeline, not the quality of the install.
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 - Impact Windows in Coral Gables
Yes, if your home is in a contributing historic district, the Building and Zoning Department will not issue a window or door permit until the Historic Preservation Board has signed off on the replacement design. That step runs before the building permit, and it typically adds 4 to 6 weeks to the timeline. Winslow Windows & Doors files the HPB submittal first and schedules around the review so you’re not left with exposed openings. Call (863) 251-5864 for a free estimate that includes the full approval timeline.
Usually not. Merrick-era masonry homes in Coral Gables were built with arched and radius rough openings, and the city’s architectural review requires the replacement to match the original profile. Standard rectangular units leave gaps that fail the large-missile rating and get rejected at permit review. We custom-fabricate arched and radius units that fit your openings and clear HPB review. Call (863) 251-5864 and we’ll measure every opening before we recommend anything.
The Miami-Dade NOA, or Notice of Acceptance, is a product-level approval certifying that a specific window or door configuration passed the county’s hurricane-impact testing. It’s a stricter standard than the Florida Building Code used elsewhere in the state, and Coral Gables is in the High Velocity Hurricane Zone, which means every replacement unit must carry one. A window without a NOA won’t clear the permit process, no matter what the manufacturer’s marketing says. We only install NOA-approved units.
Low-E impact windows cut solar heat gain enough that most Coral Gables homeowners see a measurable reduction in cooling costs, especially on west-facing and south-facing elevations. The exact amount depends on your existing glazing, home orientation, and tree cover, but replacing single-pane steel casements with Low-E insulated glass regularly drops peak cooling demand by double-digit percentages. Coral Gables’s position between Biscayne Bay and Miami’s urban heat island means the UV load on your seals is intense, and Low-E coatings also slow that degradation. Ask us for a breakdown when we do your free in-home measure.
In most cases, yes. After a wind-mitigation inspection, which runs about $75 to $150, homeowners see a credit on the windstorm portion of their premium, often around 25%. The final number comes from your carrier, not from us. But the NOA certification and the large-missile rating are exactly what insurance underwriters look for, and Coral Gables homes with impact windows consistently pass the wind-mitigation form at the highest credit tier. Call (863) 251-5864 and we’ll walk you through the documentation you’ll need.
Get a Free Estimate for Impact Windows in Coral Gables
If you own a Coral Gables home with original windows, you don’t need a sales pitch. You need someone who knows the HPB process, the NOA requirements, and what custom fabrication actually costs. That’s us. Ed Winslow has been running this business since 2011, and his name is on every job. Call (863) 251-5864 today for a free in-home measure and a written line-item quote. A live person answers. No voicemail. No call center. The one down the road.
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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