Somewhere along the line the trade convinced everyone that a window with a fault is a window for the skip. A seal blows, a handle snaps, a hinge stiffens up, and the first quote through the door is for a full set of replacements running into thousands. It’s a good earner for the companies selling them. It’s very rarely the honest answer.
We repair windows and doors for a living, so you’d expect us to say that. But we also turn work away when replacement genuinely is the sensible move, because there’s no future in fixing something that’s beyond saving. So here’s a straight look at when a repair is the obvious choice, and when it isn’t.
The things almost always worth repairing
If the frames are sound, the vast majority of faults are repairs, not replacements. Your uPVC frame is the expensive, permanent part, and it tends to outlast everything bolted to it. The bits that fail are the components, and components can be swapped.
Misted or blown double glazing is the big one. The sealed glass unit has failed, but the frame is fine, so you replace the glass and keep the window. A snapped handle, a seized hinge, a door that won’t lock, worn weather seals letting a draught in, a dropped door catching on the frame, a failed lock mechanism: every one of those is a part that comes off and a new one that goes on. You’re talking tens of pounds, not thousands, and an hour of someone’s time rather than a fitting team and a skip.
The maths is usually stark. Replacing one misted unit might be £75-odd. Replacing the whole window because of it could be ten or fifteen times that. Same view out the window at the end of it.
When replacement honestly is the better call
We’re not going to pretend repair is always right, because it isn’t. There are a few cases where we’ll tell you to replace rather than throw good money after bad.
If the frame itself has failed, meaning the uPVC has gone brittle and cracked, or on an older timber window there’s real rot in the frame, then there’s nothing solid to repair back to, and a new unit is the sensible spend. If a window is single glazed and you want the warmth and the quiet of double glazing, that’s a genuine upgrade a repair can’t give you. And if frames are so old that parts are obsolete and no longer made, sometimes repairing gets awkward and a replacement is simply more practical.
Those cases are the minority, though. Far more often the frame has years left in it and only a component has worn out.
Age isn’t the same as “past it”
People often assume that because a window is fifteen or twenty years old, it’s due for replacement. Not necessarily. A uPVC frame in good nick at twenty years can happily carry on with a fresh sealed unit or a new mechanism. What matters isn’t the number of years. It’s the condition of the frame. If it’s straight, solid and not cracked, it’s a candidate for repair regardless of its age.
The one thing worth keeping in mind is that components fitted together tend to wear together. If one hinge or one sealed unit has gone, others of the same age may not be far behind. That’s not a reason to replace everything now. It’s just a reason not to be surprised if we’re back in a year or two for the next one.
How to work out which you’ve got
You don’t need to guess. The quickest way is to send us a photo of the window or door and a line about what it’s doing, whether that’s misting up, won’t lock, draughty or something else. We can usually tell straight away whether it’s a simple repair or one of the genuine replacement cases, and we’ll tell you which, even when the answer means less work for us.
The honest version
For most faults, on most windows, repair is cheaper, quicker, less disruptive and every bit as good as replacement, and it keeps a perfectly good frame out of landfill into the bargain. Replacement has its place, but it’s the exception, not the default. Anyone telling you otherwise about a sound frame is probably selling windows.
We’ve been repairing them around Wishaw and Lanarkshire for over thirty years, there’s no call-out charge, and we’ll give you the straight answer either way. Send a photo on WhatsApp or call us on 01698 604 278.
We travel as far as Livingston for this, and the answer we give does not change with the postcode.
If it turns out repair is the sensible option, our window repair page covers what we fix and roughly what is involved.
Related advice
- How long uPVC windows last
- Choosing a repair company
- What it costs to fix a misted window
- Yellowed uPVC frames
- Secondary glazing or new windows
See our window and door replacement page for what we do and where. You can also message us here.
Browse the rest of our window and door advice for around fifty guides on common window and door problems.
Written by the team at Wishaw Window Repairs. Over thirty years repairing uPVC windows and doors across Lanarkshire.