Cat Flaps & Dog Flaps
Welcome to Glaze It & Lock It, a trusted family-run window repair service
with over 20 years of expertise in the double glazing industry.
Call us now for a free no obligation quote on 020 3592 3491
Got a question?
Please fill out the form below and a member
of our friendly team will contact you.
Brand new choices of Dog & Cat Door Flaps
Glaze IT and Lock IT can fit dog flaps and cat flaps in a large variety of surfaces.
Such as: uPVC panels, single glazed & double glazed windows plus all types of doors etc.
Give us a call for free no obligation advice today!

Learn more from our FAQ
Moisture has gotten inside your sealed unit and the only remedy is a replacement glass unit, this is far less expensive than replacing the complete window or door.
There are 2 main reasons for this. Either the locking mechanism may need adjusting/replacing or the hinges may need replacing.
Most commonly, just an adjustment is required. But only if the door lock works when the door is in the open position.
This could be due to the handle being faulty, or the locking mechanism inside the window being broken, but both can be repaired, just ask us for a free quote and we will take care of it.
Yes, if you can tell us about your double glazing problems, we can normally diagnose the issue and supply you with a price over the phone. Same goes for other needed repairs.
All our works come with a 10 year insurance backed guarantee.
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5.0 out of 5.0
"We had issues with door handles. They came and fixed the handles for a reasonable price. A yr later the handles were..."
Emma Flaxman
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5.0 out of 5.0
"First class service from my initial enquiry to inspection and completion of broken double glazing. Lenny was very..."
patrick fitzgerald
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5.0 out of 5.0
"A big thank you to Lenny who arrived promptly and completed the job cleanly and efficiently and at a very reasonable price."
TC Coleman
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5.0 out of 5.0
"I found Glaze It & Lock It online whilst sourcing a firm to replace a broken aluminium window hinge. Lenny was..."
Paul Arden-Griffith
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5.0 out of 5.0
"Glaze it and Lock it came to the rescue to realign a door that was not opening with ease. Prompt response from..."
‘M’ Scott
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5.0 out of 5.0
"Lennie & team-mate located the UPVC sliding door issue and fixed the problem, charging the agreed price that Paul..."
robin sewoke
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