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How much does window replacement cost?

Window replacement costs $450 to $1,500 per window installed, averaging about $850. A 12-window home typically lands between $8,000 and $18,000. Vinyl is the value pick; wood and fiberglass cost 50–150% more.

National average

$850

Typical low

$450

Typical high

$1,500

Per window installed

$450 – $2,500

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12 windows

Estimated project cost

$5,400 $12,000

Most homeowners pay around $8,700

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Cost by material

Installed pricing per window installed.

OptionInstalled cost
Vinyl$450 – $1,200
Composite$650 – $1,500
Aluminum$500 – $1,400
Wood$800 – $2,200
Wood with aluminum cladding$950 – $2,600
Fiberglass$900 – $2,400

Cost by window style

Installed cost per window, standard size.

StyleTypical installed costNotes
Single or double hung$450 – $1,200Most common replacement
Slider$400 – $1,100Simple mechanism, wide openings
Casement$600 – $1,600Best air seal when closed
Picture / fixed$500 – $1,800Price scales fast with glass size
Bay or bow$1,800 – $6,500Structural framing and roofing involved
Egress basement$2,500 – $6,000Includes cutting and window well

Whole-home window replacement

Number of windowsVinylFiberglass or wood-clad
5 windows$2,300 – $6,000$4,800 – $13,000
10 windows$4,500 – $12,000$9,500 – $26,000
15 windows$6,800 – $18,000$14,000 – $39,000
20 windows$9,000 – $24,000$19,000 – $52,000

Where the money goes

A typical project budget, broken down by line item.

  • Windows (material)60% · $510
  • Labor28% · $238
  • Trim, caulk & finish8% · $68
  • Disposal & permit4% · $34

Cost by region

Labor markets move the number more than any other single factor.

Northeast metro

$540 – $1,800

+20% vs. national average

West Coast metro

$531 – $1,770

+18% vs. national average

Mountain West

$468 – $1,560

+4% vs. national average

Midwest

$450 – $1,500

At the national average

South & Southeast

$419 – $1,395

-7% vs. national average

Rural nationwide

$396 – $1,320

-12% vs. national average

Common add-ons

Line items that show up on most quotes but rarely in the headline price.

Bay or bow window

Each

$1,500 – $4,500

Egress window + well

$2,500 – $6,000

Rotten frame or sill repair

Per opening

$150 – $800

Exterior capping / trim wrap

Per window

$75 – $250

Interior trim replacement

Per window

$100 – $350

Permit

$75 – $400

DIY vs. hiring a pro

Hire a pro

$450 – $1,500

Do it yourself

$250 – $700

Insert installs are doable for an experienced DIYer, but manufacturer warranties usually require certified installation.

Ways to save

Practical levers that lower the bill without cutting quality.

  • Do the whole house at once — per-window labor drops sharply after the first few openings.
  • Choose insert installs when the existing frames are sound; that alone saves 25–35%.
  • Claim the 25C federal tax credit: 30% of cost, up to $600 per year for qualifying ENERGY STAR windows.
  • Standard sizes and stock colors cost far less than custom shapes or dark exterior finishes.
  • Buy in winter — window companies discount hardest in their slow season.

Questions to ask your contractor

  1. 01Is this an insert or full-frame install?
  2. 02What U-factor and SHGC are the quoted windows?
  3. 03Is exterior capping and interior trim included?
  4. 04Is the labor warranty separate from the glass warranty?

Frequently asked questions

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Window Replacement cost by city

Local labor rates, permits and climate change the number. Pick your city for prices near you.