1. Per-sq-ft rates - material only vs installed cost
In 2026 the market still splits into two buckets: the raw uPVC profile you buy from a dealer, and the full-service quote that includes fixing, sealant, hardware and glazing. For a 1 sq ft opening the raw material costs are roughly:
| Type | Material-only (Rs./sq ft) | Installed (Rs./sq ft) |
|---|---|---|
| Sliding | Rs. 650 - 950 | Rs. 1,200 - 1,600 |
| Casement | Rs. 850 - 1,400 | Rs. 1,500 - 2,200 |
| Tilt-turn | Rs. 1,600 - 2,800 | Rs. 2,500 - 4,000 |
Raw material is cheap because you're only paying for the extruded profile and the basic glass. Once you add labour (usually Rs. 150-250 per sq ft), silicone sealant (Rs. 30-50), hardware (Rs. 100-250) and the glass pane (single clear glass Rs. 80-120, double IGU Rs. 250-400), the installed price jumps quickly.
Tip: If a dealer quotes Rs. 1,800 for a sliding unit, ask for a breakdown. Many contractors hide the glass cost in the "profile" line and then charge extra for sealant later.
2. City-wise pricing - metro vs tier-2
Transport, labour rates and local taxes create noticeable gaps. Below is a snapshot for a standard 32 sq in sliding window (4 ft x 2 ft) in the major metros and a typical tier-2 town like Mysore or Jamshedpur.
| City | Material-only (Rs.) | Installed (Rs.) |
|---|---|---|
| Delhi (NCR) | Rs. 8,800 - 12,800 | Rs. 16,000 - 22,000 |
| Mumbai | Rs. 9,200 - 13,500 | Rs. 17,500 - 24,000 |
| Bangalore | Rs. 8,500 - 12,500 | Rs. 15,500 - 21,500 |
| Hyderabad | Rs. 8,200 - 12,200 | Rs. 15,000 - 20,800 |
| Chennai | Rs. 8,600 - 12,900 | Rs. 15,800 - 22,300 |
| Pune | Rs. 8,700 - 13,000 | Rs. 16,200 - 22,600 |
| Kolkata | Rs. 8,300 - 12,400 | Rs. 15,200 - 21,000 |
| Tier-2 (e.g., Mysore) | Rs. 6,800 - 9,500 | Rs. 12,500 - 16,800 |
Why the gap? Labour in Delhi and Mumbai averages Rs. 250-300 per sq ft, whereas tier-2 towns hover around Rs. 150-180. Shipping of the profile adds Rs. 200-300 per unit to metro quotes. If you're on a tight budget, buying the profile in bulk from a regional warehouse (e.g., NCL VEKA's hub in Gujarat) and hiring a local carpenter can shave 10-15 % off the installed price.
3. Brand comparison - rates, thickness, warranty
Four brands dominate the Indian market: Fenesta, Encraft, NCL VEKA and Koemmerling. Deceuninck is a niche player but offers premium thickness. The table below uses the most common 32 sq in sliding unit as a benchmark.
| Brand | Material-only (Rs./sq ft) | Profile thickness (mm) | Warranty |
|---|---|---|---|
| Fenesta | Rs. 750 - 950 | 2.2 mm (standard) / 2.8 mm (premium) | 10 years (profile) + 5 years (glass) |
| Encraft | Rs. 820 - 1,050 | 2.1 mm / 2.7 mm | 8 years (profile) + 5 years (glass) |
| NCL VEKA | Rs. 700 - 900 | 2.0 mm / 2.5 mm | 12 years (profile) + 5 years (glass) |
| Koemmerling | Rs. 880 - 1,150 | 2.3 mm / 2.9 mm | 10 years (profile) + 5 years (glass) |
| Deceuninck | Rs. 1,150 - 1,400 | 2.5 mm / 3.2 mm | 15 years (profile) + 5 years (glass) |
What the numbers mean: Thicker walls improve R-value and resist warping in hot climates. Deceuninck's 3.2 mm wall is over-engineered for most Indian homes; you'll pay a premium for a marginal gain in thermal performance. NCL VEKA's 12-year profile warranty is the best bang for the buck - they stand behind the extrusion quality.
Colour coating is another hidden cost. Matte white is standard; a matte teak finish adds Rs. 150-200 per sq ft. If you want a custom colour, expect a minimum order of 10 sq m and a Rs. 2,500-3,000 colour-matching fee.
4. Installation cost breakdown - what to watch in "all-inclusive" quotes
Most contractors will give you a flat "all-inclusive" figure. Break it down yourself:
- Labour: Rs. 150-250 per sq ft for fixing, leveling and cleaning.
- Sealant: High-grade silicone (MS polymer) Rs. 30-50 per sq ft. Cheap silicone will crack in monsoon heat.
- Hardware: 304 stainless steel hinges, handles and rollers Rs. 100-250 per unit. Some low-cost suppliers use 201 steel; it rusts within a year in coastal areas.
- Glazing: Single clear glass Rs. 80-120, double IGU Rs. 250-400, low-E coated double glass Rs. 450-650 per sq ft.
- Transport & handling: Rs. 50-80 per sq ft for metro deliveries.
If a contractor says "Rs. 1,800 total for a sliding unit", ask for each line. A common fraud is to quote a low profile price, then add "extra Rs. 500 for hardware" after the job starts. Insist on a written itemised estimate before the first cut of the uPVC.
5. Glazing options - energy savings and payback
Single clear glass is cheap but lets heat in. Double IGU (air-filled) cuts heat transfer by about 30 %. Low-E (low-emissivity) coating adds a metallic layer that reflects infrared, improving the R-value by another 10-15 %.
Assume a 150 sq ft living-room window, 8 hours of sun per day, and an average cooling load of 1.5 kW. With single glass the AC works 2 hours extra each day, costing Rs. 6-8 per kWh. That's roughly Rs. 1,200-1,600 per month extra. Switching to double IGU saves about 30 % of that, i.e. Rs. 400-500 per month. The extra cost for double IGU is Rs. 250-400 per sq ft, so for 150 sq ft you pay Rs. 37,500-60,000. Payback comes in 6-12 months depending on usage.
Low-E adds another Rs. 200-300 per sq ft. If you live in a hot, humid city like Chennai, the 10 % extra saving can shave another Rs. 150 per month, pushing payback to about 10 months. In cooler places (e.g., Dehradun) the benefit drops to 5 % and the payback stretches beyond 2 years.
6. UPVC vs aluminium vs wood - head-to-head
| Material | Typical installed cost (Rs./sq ft) | R-value (approx.) | Lifespan | Monsoon performance | Coastal corrosion |
|---|---|---|---|---|---|
| uPVC | Rs. 1,200 - 2,200 | 0.30 | 15-20 years (good maintenance) | Excellent - water does not swell | None - PVC is inert |
| Aluminium | Rs. 1,500 - 2,800 | 0.20 | 20-25 years (if powder-coated) | Good - but thermal bridge can cause condensation | Possible if coating peels, especially in salty air |
| Wood (teak/mahogany) | Rs. 2,200 - 4,500 | 0.45 | 10-15 years (needs regular varnish) | Poor - swells, rots if not sealed | Very poor - termites and salt accelerate decay |
Cost-wise uPVC wins hands down. Aluminium looks sleek but you pay for thermal breaks or you'll get condensation on the interior pane. Wood looks premium but the upkeep kills the budget in humid Indian climates. For a house in Goa or Kolkata, uPVC is the only sensible choice - it won't corrode, won't swell, and the price gap is huge.
7. Checklist before you sign the contract
- Profile thickness: 2.5 mm or higher for sliding and tilt-turn. Anything below 2.0 mm is cheap and will sag on large openings.
- Hardware grade: 304 stainless steel. 201 or plain steel is a recipe for rust, especially in coastal zones.
- Colour coating: Powder-coat or UV-cured finish. Ask for a sample swatch and verify it's free of cracks.
- Warranty wording: Look for "profile" and "glass" separate. Some sellers bundle a 5-year warranty that excludes hardware - that's a trap.
- Glazing specification: Confirm whether you're getting single, double or low-E. Get the glass type written on the invoice.
- Installation crew credentials: Certified uPVC installers (e.g., NCL VEKA certified) are worth the extra Rs. 200-300 per sq ft. They know the correct sealant depth and screw torque.
- Post-installation inspection: Ask for a 30-day "settling" check. Loose hinges or mis-aligned rollers should be fixed at no extra cost.
Skipping any of these items usually ends in a surprise bill later - a classic fraud in the trade is to quote "hardware included" but then charge extra for the handles after the profile is fixed.
8. Real-world example - 2-bedroom flat in Bangalore
A 750 sq ft flat needed three sliding windows (32 sq ft each) and two casement doors (36 sq ft each). Using NCL VEKA standard 2.0 mm profile with double IGU glass:
- Material (sliding + casement profiles): Rs. 1,63,200
- Glazing (double IGU across all 168 sq ft of opening): Rs. 50,400
- Labour (across all 168 sq ft): Rs. 33,600
- Hardware (5 sets of hinges and locks): Rs. 750
- Sealant and finishing: Rs. 6,720
Total installed cost: Rs. 2,54,670 - roughly Rs. 1,516 per sq ft of opening. Compared with a similar aluminium set at Rs. 1,800 per sq ft installed, the saving is Rs. 47,830 for the whole flat. The double IGU upgrade adds Rs. 50,400 but pays back in 4-5 years thanks to lower AC bills.
9. Final word - which option should you pick?
If you're building in a humid, coastal or monsoon-prone zone, go with a 2.5 mm or thicker uPVC profile, 304 SS hardware and double IGU glass. The upfront cost is 20-30 % higher than single glass, but the energy bill drops enough to recover the spend in under a year. For a modest budget in a dry interior city, a 2.0 mm profile with single glass still beats aluminium on price and corrosion resistance.
My advice: buy the profile from a reputable brand (NCL VEKA or Fenesta), hire a certified installer, and never sign a contract that leaves the glass type or hardware grade vague. A clear, itemised quote protects you from the most common frauds and ensures your uPVC windows and doors last the next 15-20 years without turning into a leaky, rust-stained nightmare.
Related: uPVC Windows vs Aluminium Windows - Complete Comparison Guide 2026