New Window Installation Cost - Written Price Before Anything Is Ordered

How Much Does New Window Installation Cost in Austin?

New window installation in Austin, TX typically costs between $650 and $1,850 per window installed in 2026, with most homeowners paying $9,500 to $22,000 for a full-house replacement of 10 to 14 windows. Vinyl windows run on the lower end at $450 to $1,100 per window, while premium fiberglass and impact-rated options from brands like PGT and CGI range from $1,200 to $2,800 installed. These ranges cover tear-out of the old window, professional installation, trim work, and haul-away.

Before we go further, know this: we hand every Austin homeowner a written price before a single screw turns. No revised invoices at the door. No surprises. Call (254) 322-3468 for a free, no-pressure estimate.

New Window Installation Cost Breakdown (2026)

Here’s what window replacement actually costs in the Austin metro area, broken down by window type and material. These prices include professional installation from a licensed, insured crew.

What pushes those numbers up or down? The big driver is the condition of the existing window opening. If a window has rotted wood framing around it (common in older Austin homes near creeks and greenbelts), expect to add $150 to $400 per opening for frame repair. The second driver is glass package. In Austin’s cooling-dominant climate, low-e glass (a thin coating that reflects heat back to the outside in summer while letting light through) is not an upsell, it’s the standard we recommend for nearly every home. Adding argon gas fill runs $40 to $75 per window and cuts heat transfer noticeably. Impact-rated glass, which meets Miami-Dade standards for wind and debris resistance, adds 35% to 60% to the window cost itself, but it’s the right call for many homes in areas that catch hailstorms from the Hill Country.

One more thing about our pricing: every number we give you is in writing before work starts. That’s the Kingswell Guarantee, and we don’t operate without it.

If you’re comparing bids, you’ll get the most useful numbers from a New Window Installation in Austin estimate that specifies the exact glass package, frame material, and installation method. Ours is free.

What Affects New Window Installation Pricing in Austin

Window pricing is not a mystery. It is a function of six specific things, and here they are with the context that matters for Austin:

• Frame material. Vinyl is the most affordable and works well in Austin’s climate. Fiberglass performs better against thermal expansion but costs 40% to 80% more. Wood-clad looks right on older Central Austin homes but needs more long-term care in our heat and humidity.
• Glass package. Single-pane is rarely installed anymore and honestly, we don’t recommend it. Double-pane is the baseline. Triple-pane exists but most Austin homeowners don’t need it – what they need is the right low-e coating. A standard low-e double-pane unit adds $80 to $150 per window over clear glass. In July and August, that pays back quickly.
• Window count and size. Bigger jobs don’t lower the per-window price much, but they do lower the fixed costs like mobilization and dump fees. If you’re doing 3 windows now and 8 later, you’ll pay slightly more per window on the small job. That’s just the math of sending a crew out.
• Installation method. A standard pocket replacement (new window set inside the existing frame) is faster and costs less. A full-frame replacement (old frame removed down to the studs) adds $200 to $500 per window but gives better insulation and lets us find water damage that’s been hiding behind the trim. In leaky spots like the east-facing walls of homes near Lady Bird Lake, full-frame is often the right call.
• Scope of prep work. Homes built before 1980 in Austin sometimes have aluminum single-pane windows with no flashing and questionable rough openings. Fixing the opening, adding flashing tape, and squaring the sill adds real labor. We’ll show you that in writing before we start.
• Permit requirements. The City of Austin requires a building permit for window replacement when the opening size changes. Standard same-size replacements generally do not require a permit, but if you’re cutting a bigger window into a wall or moving an opening, you’ll need one. Permit fees for residential window work in Austin run $100 to $350 depending on scope, and the inspection process adds a day or two to the timeline.

How to Save on New Window Installation

We are not going to tell you to buy cheap windows. That’s a false economy in Austin’s climate, where a cheap window can fail within five years and leave you with a fogged double-pane unit that no one will service under warranty. What we will tell you is how to get the best value without cutting corners:

• Do the whole wall or whole house at once. You avoid paying multiple mobilization fees, and the crew is already there. A single batch of 12 windows costs less per window than three separate jobs of 4.
• Keep the same rough opening size. If you don’t need a bigger or smaller window, don’t pay for it. Same-size replacements skip the permit process entirely.
• Choose vinyl with a quality low-e package. We install premium vinyl from brands that have real factory warranties and thermal performance numbers. You get the performance without the fiberglass price tag. We carry eight manufacturer lines – including PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux – so the product gets matched to your home, not the other way around.
• Don’t wait until a window is actively leaking. Water damage behind the frame is expensive to repair. Replacing a window before the flashing fails is dramatically cheaper than replacing it after the drywall is stained and the subfloor is soft.
• Get a written quote and hold it. We put our price in writing before any work starts. If we tell you $1,150 for a window, that’s what the invoice says when we finish. No door-step “discoveries” that balloon the bill. That’s part of the Kingswell Guarantee, and it’s the single biggest money-saver: you never pay for surprises.

Call us at (254) 322-3468 for a free estimate. You’ll get a real number from a real person, not a bot.

Window Brands We Install in Austin (and What They Cost)

We are not tied to one brand. That matters more than most homeowners realize. A contractor with one product line has one answer for every house. We carry eight manufacturer lines because different homes, different budgets, and different exposure levels call for different windows.

Which one is right for you depends on your home’s age, insulation, sun exposure, and whether you’re in a hail-prone area. We’ll tell you honestly what we’d put in our own house at your budget, and then the written price comes before the work.

What’s Included in a New Window Installation Quote in Austin?

When you get a window quote from us, here’s exactly what’s on it:

• The price for each window by type, size, and glass package – no lump sums you can’t audit
• The cost of tear-out and removal of existing windows
• Haul-away and disposal fees
• Trim work and interior finishing
• Exterior sealing and foam insulation
• Any frame repair identified during inspection
• Warranty terms for both the window and the labor

If a quote you get from anyone else doesn’t break it out this way, ask for the line items. A contractor who won’t show their math is a contractor who plans to revise the math later. We never do that. The Kingswell Guarantee means a written price before any work starts, a real arrival window, a clean job site, and a written guarantee on the completed work. If the repair fails within the guarantee period, Westlight comes back and corrects it at no charge. That’s our 365-Day Done Right Promise: if it’s not done right, we make it right.

Is It Worth Replacing Windows to Save on Cooling Bills in Austin?

The short answer: yes, but with the right windows and the right expectations. Austin’s cooling season runs from May through October, and a home with single-pane aluminum windows loses a measurable chunk of its cooled air through the glass and frames. Replacing with double-pane low-e vinyl or fiberglass typically cuts window-related heat gain by 45% to 60%. For a 2,000 sq ft home, that can mean $180 to $420 a year in cooling savings, depending on your AC’s efficiency and the home’s insulation.

That’s not enough to justify a $12,000 window project by itself. But combine those savings with comfort (no hot rooms on the west side of the house), noise reduction, lower UV damage to furniture and floors, and better resale appeal, and the math works. We don’t oversell the energy story, and we’ll tell you if there are bigger energy wins to chase first (attic insulation is often the better first move for older homes). Honesty is part of doing the job right.

FAQs – New Window Installation Cost

How much does a single window replacement cost in Austin?

In Austin in 2026, a single standard-size vinyl window replacement runs $450 to $1,100 installed, while a premium low-e vinyl window runs $700 to $1,400. Impact-rated windows from PGT or CGI run $1,100 to $2,800 each. Smaller jobs carry slightly higher per-window costs because of fixed crew and truck expenses. Call (254) 322-3468 and we’ll give you a line-item price for your exact window.

What’s the average cost to replace all windows in a house in Austin?

For a typical Austin home with 10 to 14 windows, expect $9,500 to $22,000 for vinyl or mid-range fiberglass, installed. Homes in Central Austin neighborhoods like Hyde Park, Mueller, or Zilker with older construction or custom window sizes may run higher. The best way to get an exact number is a free quote from our team.

Does window replacement require a permit in Austin?

In the City of Austin, replacing a window with the same rough opening size does not require a permit. Changing the size of a rough opening or cutting a new window into an exterior wall does require a permit, and fees run roughly $100 to $350 for scope review and inspection. We handle permit filing for you when it’s needed and tell you up front if your project requires one.

How long does new window installation take in Austin?

Most standard replacement jobs of 8 to 12 windows take 1 to 2 days on site. Full-frame replacements or projects requiring frame repair can take 3 to 5 days. Permitted projects add a day or two for city inspection. We give you a committed arrival window before work begins – that’s part of the Kingswell Guarantee – and we show up in the window we gave.

Are impact-resistant windows worth the cost in Austin?

In Austin, impact-rated windows cost 35% to 60% more than standard impact-resistant glass, with installed prices of $1,100 to $2,800 per window. If your home is in a hail-prone corridor east of I-35 or in an exposed area near the Hill Country, impact glass protects against wind-borne debris and hail breakage, and it can lower insurance premiums. For homes in more sheltered neighborhoods, good quality double-pane low-e glass is often the better value. We’ll give you honest guidance for your specific location and budget.

About Owen Satterfield and Westlight Windows Austin

Owen Satterfield has been in the window and door business since 2009, and he’s built Westlight Windows Austin around a simple idea: write the price down before the work starts, show up when you said you would, and come back for free if the work ever fails. That’s the Kingswell Guarantee, and it applies to every single job we do. Westlight is an independently owned and operated Kingswell location, and our team carries eight manufacturer lines so the product fits the home, not the other way around. Our people are background-checked and uniformed. Calls are answered by a live person 24/7, not a voicemail box. The name comes from west light – that late-afternoon sun that pours through a good window, bright and warm and worth doing right.

If you’re in the market for new windows, start with a home visit from a real person who’ll measure your openings, look at your existing frames, and hand you a written price. Estimates are free. The phone is answered. Call (254) 322-3468 today and get a number you can actually plan around.

Pricing reflects the Austin market as of 2026. Westlight Windows Austin offers free estimates – call (254) 322-3468. Written by Owen Satterfield, Owner at Westlight Windows Austin, serving Austin since 2009.