Not every window problem means replacement, and not every repair is worth doing. Here's a simple way to decide.
A single failed gasket, a worn roller, a stiff lock — these are cheap, quick fixes on an otherwise sound window. If the frame is in good shape and the issue is isolated, repair is the sensible call.
Recurring seal failures, a rusted steel frame, a rotted or warped wooden one, or condensation in multiple sealed units — these signal that the window is at the end of its life. Repeated repairs become throwing good money after bad.
Ask whether you're fixing an isolated fault on a sound window, or patching a window that's fundamentally aged out. The first is repair; the second is replacement. When in doubt, an honest assessment of the frame's condition usually settles it.
Repair an isolated fault on a sound frame; replace when the frame itself has aged out — rust, rot, or recurring seal failure across multiple windows.
Once rust has set in, repairs tend to be temporary. Replacement with uPVC is usually the sounder long-term move.
Assess the frame's overall condition. Isolated faults on a good frame favour repair; widespread or structural problems favour replacement.
Related guides covering this topic from other angles — different products, applications, or contexts.
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