Connecticut Window Cost Calculator

Get instant estimates for your window replacement project with our Connecticut window cost calculator. Input your project details for an instant cost estimate, then contact our Connecticut window contractors for your official quote!

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Double Hung

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Slider

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Casement

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Awning

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Twin Casement

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Triple Casement

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Picture

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3 Lite Bay/Bow

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4 Lite Bay/Bow

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How Much Do New Windows Cost in Connecticut?

The average window replacement cost in Connecticut is between $10,800 and $17,820. An average-sized home in Connecticut has approximately 18 windows, one for every 100 square feet.

Average Window Replacement Costs in Your Area

City	Avg. Window Replacement Cost
East Lyme, CT	$10,800 - $17,820
Voluntown, CT	$9,600 - $15,840
Groton, CT	$9,600 - $15,840
Montville, CT	$9,600 - $15,840
New London, CT	$9,000 - $14,850
Norwich, CT	$8,400 - $24,394
Stonington, CT	$13,200 - $21,780
Mystic, CT	$13,200 - $21,780
Westbrook, CT	$13,200 - $21,780
Pawcatuck, CT	$10,800 - $17,820
New Haven, CT	$8,400 - $24,394
Hartford, CT	$6,600 - $19,166
Waterbury, CT	$8,400 - $24,394
New Britain, CT	$9,000 - $26,136
West Hartford, CT	$10,200 - $29,621
Meriden, CT	$8,400 - $24,394
Hamden, CT	$9,600 - $27,878
Milford, CT	$8,400 - $24,394
Stratford, CT	$9,000 - $26,136
Milford City, CT	$8,400 - $24,394
Middletown, CT	$8,400 - $24,394
West Haven, CT	$7,800 - $22,651
East Hartford, CT	$7,800 - $22,651
Wallingford, CT	$7,800 - $22,651
Southington, CT	$10,200 - $29,621
Branford, CT	$9,600 - $27,878

Connecticut window installers replacing old windows with modern designs

Replacement Window Cost Factors in Connecticut

Amount of Windows

The total cost of your window replacement project is directly influenced by how many windows you need to replace. More windows will require additional materials and labor, increasing the overall price.
Window Size

Larger windows are generally more expensive to replace due to the extra materials and installation effort required. Custom-sized windows can also drive up costs compared to standard sizes.
Window Style

The style of window you choose affects the price. Basic styles are more affordable, while specialty designs like bay or casement windows tend to come at a higher cost.
Frame Material

The frame material has a significant impact on the overall cost. Vinyl is typically the most budget-friendly, while composite materials are more expensive but offer enhanced durability and aesthetic appeal.

Average Window Replacement Cost by Style

Window Style	Avg. Per-Window Cost
Double Hung	$740 - $1,366
Casement	$1,020 - $1,560
Awning	$1,020 - $1,560
Slider	$740 - $1,366
Twin Casements	$1,450 - $2,392
Triple Casements	$1,983 - $3,420
Picture	$740 - $1,366
3 lite Bay/Bow	$3,900 - $8,700
4 lite Bay/Bow	$4,700 - $9,620

Average Window Cost By Frame Material

Window Frame Material	Per-Window Cost
Vinyl	$530 - $1,540
Fiberglass	$715 - $2,160

Northeastern U.S. window replacement cost factors

Window Replacement Cost by Number of Windows

The cost of replacing windows depends on how many are being installed. For instance, replacing 18 windows can cost between $10,800 and $17,820, influenced by factors such as window style and frame material. While larger projects often offer lower per-window pricing, the overall cost rises with each added window.

Number of Windows	Double Hung	Casement	Awning	Bay/Bow	Picture
1 Window	$870 - $1,387	$1,110 - $1,580	$1,110 - $1,580	$1,650 - $2,550	$870 - $1,387
2 Windows	$1,740 - $2,774	$2,220 - $3,160	$2,220 - $3,160	$3,300 - $5,100	$1,740 - $2,774
3 Windows	$2,610 - $4,161	$3,330 - $4,740	$3,330 - $4,740	$4,950 - $7,650	$2,610 - $4,161
4 Windows	$3,480 - $5,548	$4,440 - $6,320	$4,440 - $6,320	$6,600 - $10,200	$3,480 - $5,548
5 Windows	$4,350 - $6,935	$5,550 - $7,900	$5,550 - $7,900	$8,250 - $12,750	$4,350 - $6,935
6 Windows	$5,220 - $8,322	$6,660 - $9,480	$6,660 - $9,480	$9,900 - $15,300	$5,220 - $8,322
7 Windows	$6,090 - $9,709	$7,770 - $11,060	$7,770 - $11,060	$11,550 - $17,850	$6,090 - $9,709
8 Windows	$6,960 - $11,096	$8,880 - $12,640	$8,880 - $12,640	$13,200 - $20,400	$6,960 - $11,096
9 Windows	$7,830 - $12,483	$9,990 - $14,220	$9,990 - $14,220	$14,850 - $22,950	$7,830 - $12,483
10 Windows	$8,700 - $13,870	$11,100 - $15,800	$11,100 - $15,800	$16,500 - $25,500	$8,700 - $13,870

How To Save Money On Window Replacement in Connecticut

Act Quickly:
If your Connecticut home’s windows show signs of damage or aging, delaying replacement can lead to higher energy bills and increase the risk of further damage or security concerns.
Replace Multiple Windows at Once:
In Connecticut, replacing multiple windows at the same time can significantly lower the per-window cost. While the upfront investment might be higher, you'll see long-term savings in both installation and material costs.
Evaluate Window Configuration:
If you have several smaller windows in one area, consider combining them into a larger window. This can reduce installation costs and create a more open, visually appealing space in your Connecticut home.
Explore Financing Options:
Henderson Roofing offers financing plans to help spread the cost of your window replacement over time. If you have good credit, you may also want to explore options like personal loans or 0% APR credit cards to manage upfront expenses without high interest.