Window Seal Perished
The rubber seals around windows have hardened, cracked, or fallen away, letting in draughts and rain.
What Is Causing This?
- 1UV exposure degrading the rubber over years
- 2Cheap or thin seals failing prematurely
- 3Seals not replaced when windows were last serviced
How Urgent Is This?
This should be fixed in the coming weeks. Leaving it may allow the problem to worsen and cost more to repair.
What Needs to Be Done
A window fitter will remove the old seals, clean the groove, and fit new rubber gaskets matched to the window profile. This restores the weathertight seal.
How Much Will It Cost?
National average estimate
Labour: £173 – £425 | Materials: £663 – £2,200
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Prices are estimates based on typical UK rates. Actual costs depend on the specific issue, accessibility, and your location. All quotes from tradespeople on Tradesfolk are completely free.
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Ask a QuestionHow to Prevent This
Have seals inspected every 5 years. Clean seals with soapy water rather than solvents. Replace before they crack fully to avoid water damage.
Related Problems
Cold air blowing in around a closed and locked window, making the room feel cold near the window.
Misting or fogging between the two panes of a double-glazed unit, which cannot be wiped away.
Soft, crumbling, or discoloured wood around a window frame, sometimes with paint flaking away.
Other Window Fitter Problems
Misting or fogging between the two panes of a double-glazed unit, which cannot be wiped away.
A window that will not shut fully, leaving a gap, or that requires excessive force to close and lock.
Cold air blowing in around a closed and locked window, making the room feel cold near the window.
A window handle that has snapped, come loose, or no longer engages the locking mechanism.