New Window Installation Cost - Written Price Before Anything Is Ordered

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How Much Does New Window Installation Cost in Lantana?

New window installation in Lantana, FL typically costs between $420 and $1,850 per window, installed, depending on size, glass type, and frame material. Most Lantana homeowners replacing a standard double-hung or casement window in an existing opening land somewhere between $550 and $900 per unit when impact-rated glass is included – and in Palm Beach County, impact-rated glass isn’t optional for most permit-pulling jobs. A full-house project (8 to 14 windows in a typical Lantana ranch or older block home) runs $5,200 to $18,000 depending on the product line and scope.

New Window Installation Cost Breakdown (2026)

New window installation in Lantana costs between $420 and $1,850 per window installed. Most single-family homes in Lantana fall in the $550-$900 range per opening when using impact-rated products. Below is how the numbers break down by window type and scope as of 2026.

A few things push the number in either direction. Labor in Lantana runs slightly higher than inland Palm Beach County because every window crew working here needs to understand high-velocity hurricane zone (HVHZ) installation protocol – the county inspection process is strict, and a missed sealant step or an improper anchor spacing fails the inspection and requires a re-inspection fee. Product cost is the largest single variable: a non-impact vinyl double-hung from a builder-grade line and an impact-rated casement from CGI or PGT can be separated by $400 a unit before a tool is lifted. Frame condition matters too. Older Lantana homes – particularly the 1960s and 1970s CBS (concrete block structure) construction common in the neighborhoods east of I-95 – often have openings that read square on the outside and are not. A measured survey that catches a half-inch twist before the product is ordered saves a week’s delay and avoids a custom-cut charge.

At Sightline Windows & Doors, the measured survey the technician conducts is the same document that becomes the written price. Nothing changes between that survey and the final invoice – that’s Haven Clause 1 (Have It in Writing), and it’s how we’ve operated every one of the 18,000+ openings we’ve touched since 2012.

What Affects New Window Installation Pricing in Lantana

Lantana’s pricing environment has some specific drivers that a generic national cost guide won’t tell you. Here are the six factors that move the number most in this market.

• Impact vs. non-impact glass: Palm Beach County requires impact-resistant windows or a combination of impact glass and shutters for most permitted residential work. In Lantana specifically – which sits in a Coastal High Hazard Area – impact-rated glazing is the standard expectation for any full-window replacement job. PGT, CGI, and CWS impact lines run $100 to $400 more per unit than standard insulated glass, but they satisfy the hurricane protection requirement and typically eliminate the need for accordion or panel shutters on those openings.
• Frame material and profile: Vinyl frames are the most common choice in Lantana’s climate because they don’t corrode in salt-air environments the way aluminum can over time – particularly for homes within a mile of the Intracoastal. Aluminum frames cost less upfront ($30 to $80 per unit savings) but may require more maintenance over a 20-year window life in a coastal ZIP. Fiberglass frames from lines like ViewLux cost more initially but carry the lowest long-term corrosion risk.
• Opening size and shape: Standard residential openings (24″x36″ to 36″x60″) stay within the standard price ranges above. Oversized openings – anything above 72″ wide or requiring a mulled unit – typically add $150 to $400 per unit in product cost. Custom geometric shapes (arched, trapezoidal, radius-top) used in some of the newer construction along Hypoluxo Road or in the Lantana Heights area are quoted individually; they don’t fit standard price tables.
• Number of windows ordered at once: Material costs drop measurably at volume thresholds. Ordering 10 or more windows from a single manufacturer line typically saves $50 to $120 per unit compared to ordering 2 or 3. This is one of the clearest reasons to plan a full-house project rather than phasing it one room at a time.
• Existing rough opening condition: Lantana’s older block homes – especially those built before 1985 – frequently have out-of-square openings, degraded buck framing, or original aluminum windows that have been painted into their frames. Correcting a buck or sistering a header adds $90 to $250 per opening in labor. This work only becomes visible during the measured survey, which is why a thorough on-site measurement – not a phone quote – is the only reliable way to price a Lantana job.
• Permit and inspection requirements: Palm Beach County requires a permit for window replacements that change the frame, glass type, or opening size. The permit application, NOA (Notice of Acceptance) documentation, and county inspection add time and a flat fee ($75 to $220 depending on project value). Some contractors quote without permit costs; make sure you’re comparing apples to apples when reviewing written estimates.

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The Lantana Climate Factor: Why Impact Glass and Low SHGC Matter Here

Lantana sits roughly 40 miles north of Miami in a climate zone that combines serious hurricane exposure with year-round solar heat gain. The Atlantic is close – the town’s eastern edge is less than two miles from the coast – and summer humidity and salt air affect window and frame longevity more here than they would in a central Florida inland market like Kissimmee or Ocala.

Two product specifications matter more in Lantana than most installers mention on pricing pages.

First: SHGC (Solar Heat Gain Coefficient). This number measures how much solar heat a window lets in. In South Florida, a lower SHGC – ideally 0.25 or below – keeps interior temperatures more stable and reduces cooling load. Florida Building Code requires a maximum SHGC of 0.25 for windows in Climate Zone 1 (which covers Lantana and all of Palm Beach County). Products from ECO Window Systems and ES Windows are built specifically for this climate and hit that threshold without a significant price premium over builder-grade lines.

Second: U-factor. This measures how well the window insulates against heat transfer. Florida homes don’t need the ultra-low U-factors that Minnesota homes require, but a U-factor below 0.50 still reduces air-conditioning load and improves comfort near glass. Most impact-rated lines at the mid-market price point ($620 to $950 per window) meet or beat this threshold.

A glazier who doesn’t ask about your SHGC or review the Florida Product Approval number on the window spec sheet isn’t doing a proper job. Every window we install at Sightline carries a documented spec sheet with both values noted on the written scope – that’s the Evidence clause of the Haven Standard, and it’s how a customer can verify years from now that the right glass was installed.

How to Save on New Window Installation in Lantana

There’s no mystery to saving money on windows. The savings come from decisions made before any product is ordered, not from negotiating after the fact. Here’s how Lantana homeowners consistently spend less without compromising on what matters.

Do the whole house at once. The largest single lever on cost is order volume. A Lantana homeowner replacing 12 windows in one project will pay $60 to $120 less per unit than one replacing 3 windows at a time over four years – and they’ll pay one permit fee, one inspection, and one site setup instead of four. On a 12-window project, that volume difference can total $720 to $1,440 in product savings alone.

Match the product to the opening, not to the upsell. A standard bedroom window on the south side of a Lantana home doesn’t need the top-of-the-line CGI 500 series. An impact-rated mid-line product from CWS or ES Windows satisfies Florida Building Code, passes the Palm Beach County inspection, and costs $100 to $200 less per unit. Reserve the premium product lines for the openings where it matters: large west-facing sliding windows, openings near the saltwater Intracoastal, and any custom or oversized unit where frame longevity is the deciding factor.

Get a written price before anyone measures. A phone quote is not a price. Contractors who give ballpark numbers over the phone and then “adjust” after the site visit are the single largest source of surprise invoices in the residential window market. Under Haven Clause 1, Sightline’s measured survey and the final invoice are the same document – the number on the survey is the number on the check.

Use our Free Second Opinion on any written estimate. If you’ve received a written quote from another Lantana window contractor, bring it to us. We’ll review it at no charge – checking the product spec against the price, confirming permit costs are included, and flagging any scope gaps. There’s no obligation. Call (561) 461-2062 and we’ll set it up.

Ask about manufacturer rebates and Florida utility programs. FPL (Florida Power & Light) periodically offers rebates for qualifying energy-efficient window replacements. The rebate amounts and eligibility windows change, so we won’t print a specific dollar figure here – but when you request your written estimate, ask whether the products specified qualify and whether the rebate paperwork is included in our scope. We check this on every energy-efficient window project we quote in Lantana.

Schedule during the slower booking window. In Lantana and the broader Palm Beach area, the busiest installation period runs from late May through October – homeowners rushing to get hurricane protection in place before and during storm season. Jobs quoted in January through March typically have shorter lead times and more scheduling flexibility. The price on a well-specified job doesn’t change by season, but the scheduling timeline does.

What the Installation Process Looks Like (and Why It Matters for Price Accuracy)

A lot of Lantana homeowners ask why we insist on an on-site measured survey before quoting. The short answer: a window installation price that isn’t based on actual field measurements isn’t a price. It’s a starting position.

Here’s what a proper new window installation project looks like from survey to signed inspection.

Measured survey (Day 1). A background-checked, uniformed Sightline technician – identified by license number under Haven Clause 3 before arrival – arrives with a measuring kit and a camera. Every opening is measured in three horizontal and three vertical positions to catch any taper or rack. Frame condition, sill condition, and rough opening material are documented. Photos are taken at every opening. The customer receives this document.

Written price (same visit or within 24 hours). The measured survey becomes the written scope and the written price. Line items include product, labor, permit fees, removal and disposal, and any identified rough-opening repairs. The number on this document is the number on the final invoice – Haven Clause 1, written into every job.

Product ordering and permit application. For most Palm Beach County residential permits, the application is submitted with the Florida Product Approval (NOA) for the specific window being installed. Lead times for impact-rated products currently run 3 to 6 weeks from most manufacturer lines, depending on product complexity. Custom and geometric windows can run 8 to 10 weeks.

Installation day. Installation teams arrive in uniform, on schedule, and with the documented scope in hand. Old window units are removed and disposed of. New windows are set, shimmed, anchored to spec, and sealed per HVHZ protocol. Every opening is photographed before and after – this is the Evidence clause of the Haven Standard, and those photos are part of the customer’s permanent job record.

Inspection and closeout. The Palm Beach County inspector reviews the installation against the permit and the product NOA. When the inspection passes, the permit card is signed, and the job is closed. The 365-Day Done Right Promise starts from that date: if anything isn’t right – a sash that binds, a seal that doesn’t seat, a frame that shows a gap – we come back and fix it. That’s not a courtesy. It’s stamped on the job record.

Comparing Product Lines: What Sightline Uses in Lantana and Why

Sightline specifies from eight manufacturer lines. In the Lantana market, four of those lines come up most often on residential window projects, and they’re specified by what the opening requires – not by what’s in stock or what carries the best margin.

PGT Innovations is the most commonly specified line for Lantana impact windows at the mid-to-upper price point. PGT manufactures in Florida, has a long track record of passing Palm Beach County inspections, and its WinGuard aluminum and vinyl series are well-suited to the coastal environment. Installed pricing for a standard PGT WinGuard double-hung runs $680 to $920 per unit in the current Lantana market.

CGI Windows & Doors is specified when the project calls for heavy-duty impact performance, larger openings, or Intracoastal-adjacent installations where frame longevity in salt air is the priority. CGI’s aluminum extruded frames carry a strong track record in high-humidity coastal environments. Expect $750 to $1,050 per unit for standard casement or double-hung configurations.

CWS (Custom Window Systems) is our most common mid-market specification for Lantana residential projects where impact glass is required but the budget is firm. CWS products meet Florida Building Code, carry proper NOA documentation, and install cleanly into standard openings. Installed pricing runs $550 to $780 per unit for standard sizes.

ECO Window Systems and ES Windows are specified for energy-efficiency-focused projects. Both lines are engineered specifically for Florida’s climate zone and consistently meet the SHGC 0.25 threshold required by Florida Building Code. If a Lantana homeowner’s primary goal is reducing cooling bills – common in homes with west-facing exposures on streets like Lantana Road or along the older neighborhoods south of Hypoluxo – these lines are where we start the conversation.

ViewLux enters the picture for fiberglass-frame specifications, custom shapes, and projects where the homeowner is prioritizing a 30-year maintenance-free window life. Pricing is at the higher end of the range – $850 to $1,500+ per unit installed – but the material performance in a salt-air coastal environment is the strongest argument for that investment.

You can review the full scope of what we install in Lantana on our New Window Installation in Lantana service page, or head to the home page to see the complete range of window and door services we offer across South Florida.

FAQs – New Window Installation Cost in Lantana

How much does it cost to install a single window in Lantana, FL?

A single impact-rated window installed in Lantana typically costs $520 to $1,050 depending on size and product line. Standard openings with a mid-market impact line like CWS or PGT land in the $620 to $880 range. Custom shapes, oversized units, or premium lines like CGI push above $1,000. Call (561) 461-2062 for a written price on your specific opening – estimates are free and based on an actual measured survey, not a phone guess.

Is impact glass required for new windows in Lantana?

For permitted window replacements in Lantana, yes – Palm Beach County and Florida Building Code require that new windows in residential construction either use impact-rated glazing or be paired with a compliant shutter system. In practice, most Lantana homeowners choose impact glass at installation because it satisfies the code requirement, may lower homeowner’s insurance premiums, and removes the need to deploy shutters before a storm. Non-impact windows can be installed in unpermitted situations, but any full-frame replacement pulled to permit in Lantana will require impact compliance documentation and a Florida Product Approval (NOA) number.

How long does new window installation take in Lantana?

For a standard 8 to 12 window project, the installation itself takes 1 to 2 full days once product is on-site. The longer timeline is the lead time between order and delivery: impact-rated windows currently run 3 to 6 weeks from most Florida manufacturers, with custom or geometric units at 8 to 10 weeks. Add permit processing time (typically 1 to 3 weeks for Palm Beach County residential permits) and a realistic timeline from signed contract to passed inspection is 6 to 10 weeks for a standard project. We tell you this upfront on the written scope – not after the product ships.

Is it cheaper to repair or replace windows in Lantana?

Repair is cheaper in the short term when the issue is limited to a failed seal (foggy glass), a broken sash lock, or a worn weatherstrip – typical repair costs run $85 to $280 per window depending on the issue. Replacement makes more financial sense when the frame is corroding (common in aluminum-framed windows near the Intracoastal), when the glass does not meet current impact or energy codes, or when the window is more than 20 years old and repair would cost more than 40% of replacement. In Lantana’s coastal environment, aluminum-frame windows from the 1980s and early 1990s that have been patched more than once are generally better replaced than repaired. Call (561) 461-2062 and we’ll give you a straight assessment – we’ll tell you when repair is the right call, because we’re not going to sell you a replacement you don’t need.

What does a Lantana window permit cost, and is it included in your quote?

Palm Beach County residential window permit fees typically run $75 to $220 per application based on project value. Yes – Sightline includes permit fees as a line item on the written price document before any work starts. Haven Clause 1 means the written scope covers every cost, including permit, inspection, removal, and disposal. If a permit fee changes between quote and application (county fee schedules do adjust), we notify you in writing before proceeding. There are no invoice surprises on a Sightline job.

Do new windows in Lantana reduce homeowner’s insurance premiums?

In many cases, yes. Florida homeowner’s insurance carriers frequently offer premium discounts for homes with fully impact-rated openings – meaning all windows and doors meet the impact standard. The discount varies by carrier and policy, but Lantana homeowners have reported savings of $200 to $800 annually after completing a full-house impact window project. The key is documentation: your insurer will ask for the Florida Product Approval (NOA) numbers on the installed windows and, in some cases, the passed permit inspection card. Both documents are part of the standard photo and paperwork record Sightline provides at job close – that’s the Evidence clause of the Haven Standard, and it’s included on every project.

Written by Sonia Raman, Owner at Sightline Windows & Doors Lantana, serving Lantana since 2012. Pricing reflects the Lantana, FL market as of 2026 and is based on installed costs from projects completed in Palm Beach County. Sightline Windows & Doors Lantana offers free, written estimates – call (561) 461-2062 to schedule your measured survey.