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Home improvement

Window Replacement Cost Calculator

Estimate the cost of replacing windows, including installation and any structural work.

Your numbers

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Result

Total estimated cost $10,538
Average cost per window $878.17
Window units $5,760
Installation $3,120
Replacing 12 windows comes to about $10,538, $878.17 per window including installation and contingency.

Full-frame replacement costs considerably more than insert replacement, and rotted framing is rarely visible until the old unit is out. That is what the structural allowance is for.

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Questions

About this calculator

Do new windows pay for themselves in energy savings?

Rarely on energy alone within a reasonable period. They are usually justified by comfort, noise, security, appearance and resale value. Treat energy saving as a bonus, not the business case.

What drives the price difference between quotes?

Frame material, glazing package, and whether it is an insert or full-frame replacement. Compare the specification, not just the total.

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Estimating is the easy part

The jobs you never hear about cost more than the ones you mis-measure. BDEVY builds the marketing, systems and automation that bring them in.