Double glazing (DGU) pricing is area times build - two glass panes with an insulating air gap. Price your windows here and see what silence actually costs.
Estimates include the sealed unit and glazing labour; frames are extra unless part of a new window.
How to use this calculator
- Enter the width and height of one opening in feet.
- Set the number of windows.
- Pick a quality tier that matches your spec.
- Choose your country - the estimate converts instantly.
- Read the range, then post your requirement for exact free quotes.
Indicative rates (India base)
| Quality tier | Rate / range |
|---|---|
| Standard DGU | ₹450 – ₹650 per sq ft |
| Toughened DGU | ₹650 – ₹900 per sq ft |
| Low-E premium | ₹900 – ₹1300 per sq ft |
Rates include material and installation. Pick your country in the tool above - estimates convert automatically with market-adjusted rates.
What changes the price
- Glass thickness (8/10/12 mm) and toughening
- Hardware brand - floor springs, patch sets, spigots
- Cutouts, holes and polish specification
- Frosting, films and designer finishes
- Height and access at the installation site
Use it anywhere in the world
This calculator is built for global use. Select your country inside the tool and the estimate switches to your local currency with typical market adjustment - useful whether you are budgeting a project in India, the UAE and Gulf, the United States, Canada, the United Kingdom, Europe, Australia, Singapore or South Africa. Rates are indicative; local quotes always win for accuracy.
Video guide
Frequently asked questions
How much noise does DGU cut?
A well-sealed DGU window drops traffic noise by roughly 60-70% versus single glass.
What is Low-E glass?
A microscopic coating that reflects heat - keeps AC cool in and summer out, ideal for west-facing rooms.
Can my existing windows be retrofitted?
Sometimes - uPVC and some aluminium frames accept DGU if the section depth allows; installers confirm on site.
Related calculators
Planning the work itself? See our installation service page or browse all cost calculators.