We fit cat flaps (& dog flaps) into:
As North London cat flap fitters & North London dog flap fitters / pet flap fitters, we pride ourselves on delivering exceptional service, with rapid turnaround times including double glazing installations.
At cat flaps North London we can supply and fit / install a new cat flap or catflap in your single glazed door.
Question: I need a cat flap fitted in a single glazed door. How long does this take and what happens?
Answer
1. We would arrange to visit your home or property at a convenient time to get an exact measurement of the current glass in the door, check what pattern your glass currently is and offer a like for like or an alternative if the glass is no longer manufactured.
2. We would then cut a new piece of 4mm float glass (plain or pattern of your choice) to the exact size as measured, cut a hole for the cat flap and then have the glass sent away to be toughened.
3. Approximately 2-3 day later the cat flap glass will be ready to collected from the glass toughening plant at which point we will then arrange a convenient time with you to call back and replace the current piece of glass with the glass ready for a cat flap installation.

Call us for an informal chat at North London
Cat Flap Fitting Services in North London and surrounding area's
We specialise in professional cat flap installations for a wide range of surfaces, including:

Over 30 Years of Industry Experience
Call Us: 0207 096 3749
Email Us: sales@catflapfitternorthlondon.co.uk
We’re experienced in installing a variety of flaps, including:

If you need a cat flap in a double-glazed unit, we’ll replace the glass with a new custom-made double-glazed unit. This process takes 3–5 working days from measurement to fitting. All units are manufactured at our factory to ensure the highest standards.
Contact us today to discuss your requirements or to get a free, no-obligation quote!
If you got your cat as a kitten, six months is the perfect age to train her to use a cat flap. At this stage, cats should be vaccinated, and mature enough to go outside on their own. But you can follow these tips with a cat of any age; just be prepared to be a bit more patient with older cats who may not have used a cat flap before. These five steps should soon help your pet overcome any initial feline nerves and get them using the cat flap with confidence
1. Introduce the cat flap
Initially, keep the cat flap locked, and begin by simply feeding and playing with your cat nearby. Anything you can do to create positive associations with the cat flap, such as leaving food treats in front of it, is helpful.
2. Open the cat flap
Prop the cat flap open with heavy-duty tape to make an inviting opening for your cat to move through. Timid cats, especially, will appreciate being able to look out and see what awaits them on the other side.
3. Use rewards
With a person on either side of the open cat flap, use high-value food treats (perhaps some chicken or fish, or other favorite snack) to entice your cat in or out. Alternatively, you could use a toy to tempt her through the opening.
4. Take it slowly
Repeat the above a few times a day, for a week or so. Some cats will quickly become confident moving through the cat flap, while others may take longer to get used to the idea. Never force your cat through the opening, especially if you sense resistance from her. As with all training , practice makes perfect. This is really about creating natural confidence in your cat.
5. Drop the cat flap door
As your cat becomes more familiar with the opening, you can then drop the flap, so that she has to push lightly to open it. Once she’s comfortable doing this, she should be able to come and go as she pleases whenever you leave the cat flap unlocked.
Cat Flaps in Wooden Doors - Cat Flaps in UPVc Panels - Cat Flaps in Glass & Double Glazing - Dog Flaps
Cat flaps come with a kit that includes a paper template that guides you exactly where to drill. With the help of markings, drill a hole in to each corner of the template. Once you have done with drilling the holes, you can get the shape of your cat flap accordingly. These are great for wooden, UPVC/plastic and metal doors, but would recommend a professionaal for anything to do with glass.
Yes - as cat flaps come in different sizes, models, automatic etc. it is best to talk to us first in order that you can ask all the questions you require answered on the most popular brands. We offer a selection of cat flaps and pet doors, we highly recommend that you take a brief look at the options prior to making a decision. We have added a link from our site to some of the most popular brands.
We're afraid not as the glass is already toughened when you try to cut it and the glass would break into hundreds of thousands of pieces!
By providing a photo of the glass we can give you the exact price. If you are unable to provide a photo of the glass, then kindly provide some rough dimensions. Please measure from edge of glass to edge of glass you can see left to right and top to bottom.
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