Window CostsVolume 1 · Issue 1 · June 2026
What Windows Really Cost in India
The per-square-foot rate is only the start. Glazing, hardware, installation, civil work, GST, and the extras nobody quotes upfront all move the final bill. This is the 12-guide cost library — prices by material and per sq ft, the big-ticket window types, replacement and maintenance, and the hidden costs that catch people out — all in real rupees for 2026.

Home Window Cost in India (2026): The Complete Price Guide
What home windows really cost in India in 2026: rate tables by material, the full cost stack from glazing to GST, a worked whole-home example for a 1,200 sqft home, and an economy-to-premium budget framework.
Read itWhat a window costs
Rates, per sq ft and by material
Per sq ft02Window Cost per Square Foot in India (2026): How to Read a Per-Sqft Quote
Read the rupees-per-square-foot window rate like a pro: the master material-by-glazing matrix, what the rate excludes, why small windows cost more per sqft, and how to convert a rate into a real budget with a worked example.
Estimating03How to Calculate Window Cost (India): A Step-by-Step Estimating Guide
A do-it-yourself method to calculate window cost in India: measure openings, pick the rate, add glazing, hardware, installation, civil and 18 per cent GST. With a worksheet and two worked examples.
uPVC04uPVC Window Cost in India (2026): Rates by Type, Glazing and City
What uPVC windows really cost in India in 2026: supply rates by budget, mid and premium tier, cost by window type, glazing add-ons, brand effect, install plus 18 per cent GST, and a worked 2BHK package.
Aluminium05Aluminium Window Cost in India (2026): Powder-Coated to System Profiles
Aluminium windows cost ₹350 to ₹3,000 per square foot in India. This cost deep-dive covers mill-finish to thermally-broken system frames, the thermal-break premium, glazing add-ons, install plus GST and a worked example.
Wood06Wooden Window Cost in India (2026): By Species, Plus the 20-Year Upkeep Bill
Wooden windows cost ₹500 to 1,500+ per sqft by species, teak highest. The reseal and repaint every 2 to 4 years makes timber the dearest window to own over 20 years. Worked cost example vs uPVC.
The big-ticket windows
Where the premiums live
Floor to ceiling07Cost of Floor-to-Ceiling Windows in India (2026): What Full-Height Glass Really Costs
What floor-to-ceiling windows really cost in India in 2026: why full-height glass runs ₹900 to ₹2,000-plus per sqft installed, a worked ₹1.7 lakh living-room glass-wall example, plus shading, safety glass, install and GST.
Bay08Cost of Bay Windows in India (2026): The Projection Premium Explained
A line-by-line 2026 cost breakdown of bay and bow windows in India: three units, specialty fitting at ₹500-800/sqft, structural support, waterproofing and the seat, with a worked living-room example plus GST.
Smart glass09Cost of Smart Windows in India (2026): Switchable Glass, Honestly Priced
Switchable PDLC glass runs ₹800-1,800/sqft and retrofit smart film around ₹1,000/sqft - before the controller, transformer and wiring. A worked 16 sqft panel and when switchable glass beats a blind.
Beyond the sticker price
Hidden, replacement and lifetime costs
Hidden costs10Hidden Costs of Window Installation in India (2026): The Extras That Blow the Budget
The hidden costs of window installation in India — structural work, waterproofing, glazing upgrades, hardware, removal, scaffolding and 18 per cent GST — with ₹ ranges, a checklist and a quoted-versus-actual worked example for an 18-opening home.
Replacement11Window Replacement Cost in India (2026): Retrofit vs New-Frame, Room by Room
Replacing old windows in India costs from ₹36,000 to ₹4.5 lakh for a 1,200 sqft home, most mid-tier uPVC and aluminium jobs ₹1.2 to 2.4 lakh. Retrofit versus new-frame, per-window rates, cost levers, and a worked room-by-room budget with 18 per cent GST.
Maintenance12Window Maintenance Cost in India (2026): The Lifetime Upkeep Bill by Material
The recurring upkeep bill for windows by material. Annual and 20-year maintenance costs in rupees for uPVC, aluminium, wood, steel and smart glass, showing why uPVC and aluminium are usually cheapest to own over a lifetime.
