UPVC Double Glazed Window Repairs in Crawley
Sussex Double Glazing Repairs provides uPVC double-glazed window repairs in Crawley, fixing common problems including draughty or leaking windows, failed hinges and mechanisms, broken handles, and worn seals and gaskets. Covering Crawley and surrounding areas of Sussex, we offer free quotes for uPVC window repairs – call Dale at 07881 407 764 for a free quote.
Revitalise Your Space in Crawley with Expert Door and Glass Repairs
Draughty or Leaking Windows
If your double glazed windows have become draughty, it will usually be caused by one or all of the following issues:
- Failed hinge (Friction stay)
- Perished Seals or Gaskets
- Broken Mechanism (Espag)
Any drafty or leaking UPVC double-glazed window issue arising from broken handles, hinges, or seals can be easily fixed by us, with our van with new replacement parts.


Failed Hinge (Friction Stay)
A friction stay is the hinge mechanism that supports the window sash and controls how the window opens and closes.
As friction stays wear, the sash may stop sitting tightly against the frame. This can cause:
- Draughts around the window
- Water entering around the sash
- Difficulty opening or closing the window
Where the hinge is responsible for the problem, the failed friction stay can be replaced without automatically replacing the complete window.
Gaps appear, air and water penetrate in. Occasionally windows can’t shut at all, compromising safety. Not to worry, we have those universal hinge sizes on board for prompt replacement.
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Broken uPVC Window Locking Mechanism (Espag)
An espag is the internal mechanism operated by the window handle to help open, close and secure a uPVC window.
If the mechanism becomes damaged or stuck, you may notice that the window is:
- Difficult to open or close
- Difficult to lock
- Stuck in one position
- Not responding properly when the handle is turned.
Sussex Double Glazing Repairs can inspect the mechanism and replace faulty espag components where required.


Broken Window Handle
Don’t be shocked when UPVC double-glazed window handles give out – push buttons dislodging or entire handles snapping mid-turn.
But replacing them is simple for Sussex Double Glazing Repairs. And we carry ample handle supplies on our vans to fix issues promptly. For affordable repairs call Dale now: 07881 407 764.
Seals & Gaskets
Over time UPVC window seals bake brittle and cracked. Gaps trigger drafting/seepage. Component alignment is impacted next, spreading issues.
Have Sussex Double Glazing Repairs out promptly swapping new seals to cure problems.

Areas We Cover
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