North London Cat Flap In UPVC Door

We Fit Cat Flaps in UPVC Doors – Expert Cat & Dog Flap Installation Service Across North London

Looking to install a cat flap or dog flap in a UPVc door? At Catflap Fitter North London, we specialise in professional cat flap installation for UPVc, composite, and wooden doors throughout the North London. Whether your door has mouldings, recesses, or support braces, our experienced fitters ensure a precise, damage-free installation that keeps your home secure while giving your cat the freedom to come and go.

Why Choose Catflap Fitter North London for Cat Flap Installation?

Expert Installation Without Compromise

Installing a cat flap in a UPVc door requires precision. DIY attempts can easily damage door frames, braces, or mouldings. Our team has the tools and experience to install your cat flap cleanly, preserving both the strength and appearance of your door.

Fast Quotes – No Site Visit Required

Simply send us a few clear photos of your door, and we’ll provide a personalised quote—no need to wait for a site survey. We’ll also recommend the most suitable cat flap options for your specific door type and your pet's needs.

Wide Range of Cat Flaps to Suit Every Home

We stock a selection of standard and high-tech cat flaps, including:

Hassle-Free Installation Day

Once you choose your cat flap, we’ll arrange a convenient date for installation. After fitting, we carry out a full check to ensure everything works smoothly—and that your cat is happy with the results.

Benefits of Installing a Cat Flap in a UPVc Door

  • Convenience: Your cat or Dog can move freely in and out without you needing to open the door.

  • Freedom for Your Pet: Encourages natural behaviour like roaming and outdoor play.

  • Security: With microchip and lockable options, you can control who enters your home.

  • Ideal Location: Doors are often the easiest and most practical place for a cat flap—simpler and less disruptive than walls or windows.

Professional Pet Door Installation Services Across North London

We install pet doors in various surfaces, including:

From standard pet flaps to premium custom solutions, you can choose the size, style, and functionality that suits your home and your cat best.

Get Started Today

Interested in installing a cat flap in a UPVc door? Contact Catflap Fitter North London today to discuss your requirements or get a fast, free quote. Our team is ready to help you choose the perfect cat flap and book your expert installation.

Cat Flaps in Wooden Doors - Cat Flaps in Glass & Double Glazing - Dog Flaps

Reliable & professional fitters

Reliable & professional fitters

Fitting a cat flap or dog flap requires specialist tools and expertise. All our North London cat flap fitters are fully qualified and trained in the latest tools, equipment and installation techniques as part of our comprehensive services.


Get a free quotation immediately over the telephone or via WhatsApp

What information do you need to accurately quote?

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 for the example measure edge of glass from left to right and top to bottom, this should give us enough information to provide you with an accurate price which we will confirm once on site and measure 100%.

Installation process

What our customers say

Sure flap video

Discover how to program your cat's microchip into the SureFlap Microchip Cat Flap. Have some tasty treats on hand for your cat to make the process easier and follow the steps in this easy-to-follow video.

One of the most popular cat flaps 

With SureFlap microchip cat flaps being one of the most popular brands to buy today, we are delighted to be a recommended supplier and fitter for your ease of use. Most people will employ a company like ours if you are installing a cat flap into glass, double glazing, or a metal door.

The microchip cat flaps allow only your cat(s) into your property and will restrict unwanted visitors from neighboring homes.

Recommended Sure Flap Cat flap fitters in North London are reachable on 0207 096 3749.

Watch video
Sure flap video

Frequently asked questions

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!

  1. We would arrange to visit your home or property at a convenient time to get an exact measurement of the current double glazed unit in the door, check what pattern you have and offer a like for like or an alternative if the glass is no longer manufactured.
  2. We would then cut 2 new pieces of 4mm float glass (plain or pattern of your choice) to the exact size as measured, cut a hole in both pieces of glass for the cat flap and then have the glass toughened. (What is toughened glass).
  3. Approximately 2-3 day later the cat flap glass will be ready to collect from the toughening plant.
  4. We will then create a sealed doubel glazed unit which will have the hole perfectly placed for the installation of the cat flap.
  5. We will then arrange a convenient time with you to replace your current double glazed unit with the new cat flap ready double glazed sealed unit.
  6. The cat flap is installed once at the property

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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