Welwyn Garden City / Potters Bar 01707 644454
Stevenage / Knebworth 01438 812100

Drummond Security, Hertfordshire Locksmiths Services

Upgrading My Windows & Doors!

Posted 10/06/2024 10:50:16


Upgrading My Windows & Doors!

As uPVC repair specialists, we can normally get most door locking problems resolved on our first visit and in under an hour. Should you notice that your door is becoming difficult and stiff to lock and you are having to force and hold the handle up, it is usually as a result of a misaligned hinge or keep, or a slightly dropped doors. In the short term it should be no cause for concern, but if it is left for too long it can lead to the actual mechanism failing altogether, leaving you unable to securely lock your door.

Why are my Window are not Unlocking?

Due to the weight of the glass in a double glazed window and if the glass is installed incorrectly the hinges can start to drop which causes the espagnolette to fail. This is a very common problem, especially on fanlight windows, and one that we have years of experience in repairing.

Why are my windows misty and foggy?

Misty and foggy double glazed windows are a clear indication the your sealed units have failed, whilst this has no adverse effect of the sound and weather proofing qualities of the window it can be very unsightly to look at.


At Drummond Security we can either offer a like for like replacement or you can take the opportunity to upgrade to a thermal insulated double glazed unit. Either way, we can save you thousands of pounds in replacing windows and doors.






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44, The Broadway, Potters Bar EN6 2HW & 1 Station Rd, Knebworth SG3 6AP

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