Windows · Bengaluru and Delhi NCR
uPVC Window Leaking? Causes & Repair Cost
A uPVC window is built to drain and seal, so a leak means one has failed.
₹1,710/ window starting price₹1,90010% off
The starting price for Window Water Leakage Repair, the commonest fix. One fixed price per window, supplied and fitted.
- Verified on-site measurement
- 2-year product warranty, 6 months on the work
- Professional site manager on every job
- upvc window leaking water
- upvc window leaking from bottom
The short answer
A leaking uPVC window usually has blocked drain slots, the small slots that let water out. A cracked joint where the frame meets the wall comes next. The sash, the part that opens, can also drop away from its rubber seals. Most are repaired in one visit, on the window you have.
Why it happens
Usually one of these 5 things, commonest first. Each one says how to tell, and what we do about it.
The drain slots in the frame are blocked
- How to tell
- Water gathers along the bottom of the frame in rain and spills over the inside edge. With the window open, you can see small slots along the bottom of the frame. If they are packed with dirt, the water has nowhere to go.
- What we do
- We clear the slots on the inside and the outside of the frame. Then we run water into the frame and watch it leave before we go.
Window Water Leakage RepairFrom ₹1,710 / windowSee this fixWater is getting in beside the frame, not through it
- How to tell
- The damp patch starts on the wall beside or under the frame. The inside of the frame itself stays dry. uPVC frames move slightly in heat, and hard filling around them cracks.
- What we do
- We test the outside of the frame with water to find the exact entry. We cut the cracked filling out and seal the joint with a sealant that flexes.
Window Water Leakage RepairFrom ₹1,710 / windowSee this fixThe gaskets have gone hard
- How to tell
- Gaskets are the soft rubber strips the sash closes against. Old gaskets feel hard, look shiny or have split at the corners. Driven rain then leaves a wet line along one edge.
- What we do
- We check the whole window first, because a blocked drain can look like a failed gasket. If the gaskets have truly worn, we price new ones before fitting them.
uPVC Window RepairFrom ₹1,350See this fixA hinged sash has dropped out of square
- How to tell
- This happens on uPVC windows that swing open. The sash rubs the frame as it closes, and the handle turns stiffly. A gap opens at one corner, and rain gets in there.
- What we do
- We lift the sash square on its hinges and adjust the catches in the frame. The sash then presses evenly on its gaskets all round.
uPVC Window RepairFrom ₹1,350See this fixA sliding uPVC sash is riding on worn rollers
- How to tell
- uPVC sliding sashes are heavy, and they sit on small wheels called rollers. Worn rollers let the sash drop and tilt. Water and dust come in at one corner, and the lock turns hard.
- What we do
- We fit rollers made for your track, and clean the track and its drain slots. Then we set the height so the sash meets its seals evenly.
uPVC Window Roller ReplacementFrom ₹935 / pairSee this fix
What you can check first
These checks are safe to do yourself. A photo or a short video of what you find helps us come prepared.
- Open the window on a dry day and look for small slots along the bottom of the frame.
- Pour a little water into the bottom of the frame and see whether it runs away.
- Press the rubber around the sash with a fingertip to feel whether it is still soft.
- Close the window on a sheet of paper at each corner and see if it pulls out easily.
- Notice whether the handle has become harder to turn, which points to a dropped sash.
What the repair costs
Every fix on this page, with its starting price before GST. We find which one you need, and you get a fixed price before any work starts.
| Fix | Starting price | How it is priced | Link |
|---|---|---|---|
| Window Water Leakage Repair | ₹1,710/ window | One fixed price per window, supplied and fitted. | See this fix |
| uPVC Window Repair | ₹1,350 | One visit covers travel and the work to fix the fault. Any parts are priced on their own line. | See this fix |
| uPVC Window Roller Replacement | ₹935/ pair | One fixed price per pair, supplied and fitted. | See this fix |
Not sure which one it is? Send a photo or a short video. We will tell you what it looks like, usually within minutes, before anyone comes out.
Chat on WhatsAppA photo or a video is enough to startCommon questions
Are uPVC windows meant to have slots at the bottom?
Yes. uPVC windows are made with drain slots, because a little rain gets into any frame. The slots let that water run back outside. Do not seal them shut, or the water will come inside instead.
Can a uPVC window cause damp on the wall under it?
It can, when the joint at a bottom corner leaks. But water from a cracked sunshade (chajja) or the floor above looks much the same. Our water test shows which one it is. Wall and sunshade leaks need a waterproofing contractor, which is a different trade from ours.
Why has my uPVC window started leaking when it used to stay dry?
Something has changed slowly. Dirt fills the drain slots, gaskets harden in sun, and a heavy sash settles a little. None of this shows until heavy rain tests the window. Each one can be repaired without changing the window.
Why does water come in at the bottom of my uPVC window?
The bottom of the frame is where rain collects before it drains out. When the slots block, that water rises and spills over the inside edge. A dropped sash can also leave a gap along its lower edge. Clearing the slots is usually where we start.
Related problems
Other problems with the same kind of door, window or fitting, and where to go next.
Windows
- Sliding Window Hard to Slide
- Window Leaking Rain Water
- Gap in Window When Closed
- Window Not Locking Properly
- Window Handle Broken or Loose
- Window Handle Stuck
- uPVC Window Not Closing Properly
- Sliding Window Off Track
- Sliding Window Making Noise
- Window Glass Rattling
- Window Glass Loose in Frame
- Window Glass Cracked
- Water in Sliding Window Track
- Cold Air Coming Through Window
- Window Whistling in Wind
- Traffic Noise Coming Through Windows
Get it fixed at your place
We come to you anywhere in Bengaluru and Delhi NCR. We find the cause, and give you a fixed price before any work starts.
- Certified toughened safety glass. It stays safe even if it ever breaks.
- Genuine branded fittings
- We buy authentic materials from reputable, established suppliers.
- We check the quality before we leave. Most jobs are done in 3 to 4 days.
- No hidden fees. GST is shown as its own line on the quote.
- Your details stay protected and confidential on a secure connection.
- You get dedicated support after fitting, from the same team every time. They are dependable.
- Easy and transparent from the first message. We work customer-first, so the job stays hassle-free.
