7 of the Best Cat Flaps for Glass Doors

Written by Shayle Follows

Here are 7 of the best cat flaps for glass doors. It’s not just us humans that love to go outside! If you’re out and about on adventures you might need a cat flap for your pet to be able to go in and out freely.

In this article, we provide you with 7 of the best cat flaps for glass doors so you won’t have to worry about letting your pet in and out while you’re out exploring!

Best Cat Flaps For Glass Doors

1. PetSafe Staywell 4 way locking Classic Cat Flap for glass doors

PetSafe Staywell 4 way locking Classic Cat Flap for glass doors

This cat flap for glass doors is really easy to install and comes with a cutting template, installation guide and each half simply screw together for a simple but precise fit. It boasts a flexible four-way locking system and provides your Cats with the freedom they love whilst keeping you in control and giving you the option to set it to in only, out only, in or out, fully locked.

For installation into thicker doors, the 917EF model Cat Flap includes a fixed tunnel for applications up to 5 cm thick. For an adaptable fitting to any depth of the wall, the 919EF model offers attachable tunnel extensions available separately.

PetSafe Staywell 4 Way Locking Classic Cat Flap, Easy Install, Durable, Pet Door for Cats - (Tunnel Included), White
  • EASY INSTALL - The Classic Cat Flap comes with a cutting template, installation guide and each half simply screws together for a Fast and Precise fit
  • INDEPENDENCE - The flexible 4 Way Locking system gives your Cat a greater area of exploration and freedom; catering to their curious nature and keeping them active
  • MULTIFUNCTIONAL LOCKING - The 4 Way Locking Classic Cat Flap provides your Cats with the freedom they love whilst keeping you in control and giving you the option to set it to in only, out only, in or out, fully locked.

2. Cat Mate 4 way locking glass fitting cat flap

Cat Mate cat flap for glass and UPVC doors

This cat flap is suitable for small to average-sized cats it has a 4-way lock control: in and out, in only, out only or locked. It’s extremely durable as it is made from super-tough polymer.

Easy to use, tamper-proof and our favourite feature is the silent action. All Pet Mate cat flaps are fully brush sealed with magnetic closures for total weatherproofing and minimum energy loss from your home.

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Cat Mate 4 Way Locking Glass Fitting Cat Flap (Medium)
  • Suitable for small to average-sized cats
  • 4-way lock control: in and out, in only, out only or locked
  • Extremely durable, made from super-tough polymer

3. PetSafe manual-locking cat flap for glass and UPVC doors

Petsafe cat flap for glass doors

Made of plastic, this manual-locking cat flap can be installed in most materials (wood, PVC, brick, metal and glass) and with the two magnetic latch points system, it will keep unwanted guests outside. These two magnetic latch points help increase insulation and energy efficiency. Sounds complicated? Well, it’s actually really easy to install. This classic style of cat flap comes with a cutting template and installation guide; the cat flap is easily installed with just a few simple steps.

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Manual Cat Flap - White
  • Easy installation: this modern cat door comes with a cutting template and an installation guide; the cat door is easily installed with a few steps
  • 4-mode locking: the flexible 4-mode locking system gives your cats the freedom they need
  • Energy-efficient: a durable seal and two magnetic locking points help maintain insulation and energy efficiency.

4. Fdit Cat Flap

Simple Cat Flap for a glass or plastic door

This cat flap has four locking modes, always open, only entry, only exit, fully locked which makes it easy to control your pets. The sleek transparent design is ideal for windows or sliding glass doors. The brushes on this cat flap prevent the door from making noise, the rubber interior protects your cats from injury. This is made from durable ABS plastic, weatherproof, comfortable and easy to use; the robust construction resists UV rays; thanks to 100% polycarbonate the cat flap is practically indestructible.

Fdit Cat Flap Door for Cats Dogs Pet, Large Cat Flap Door for Windows Sliding Glass Doors With 4 Locking Possibilities (Round Transparent)
  • 🐾 【4-way block (entry, exit, entry / exit, open)】 cat flap with four locking modes: always open, only entry, only exit, fully locked, makes it easy to control your pets in a simple and clean way; with a cat flap you no longer have to close and open the door to wait for your pets.
  • 🐾 【Glass Effect】 Transparent design to match the glass, ideal for windows, sliding glass doors; ideal for all types of glass; your pets will immediately fall in love with their beautiful overhead door flap.
  • 🐾 【Quiet and Comfortable】 Glass cat flap with two protections; the brushes prevent the door from making noise, the rubber interior protects your cats from injury; the silent opening does not scare pets and does not disturb the owner, so the cat can go to his toilet.

5. Cat Mate microchip cat flap with digital timer & LCD display

Cat Mate Elite microchip cat flap

If you want to keep strays our the CatMate Elite Microchip Cat Flap is great because it reads your cat’s unique microchip or Cat Mate ID Disc. Therefore you can let your pets come and go as you please. The convenient 4-way lock allows you to control access. An LCD display shows the entry and exit lock status as well as the location and time since the last use of the flap for up to 3 cats. Want to keep all of your pets in at night? The programmable timer function will control access for all pets over certain periods. The battery-operated cat flap uses 4 x AA batteries (not supplied). Includes a low battery indicator

Cat Mate Elite Microchip Cat Flap with Digital Timer & LCD Display for up to 9 Cats, White
  • The Cat Mate The Cat Mate Elite Microchip Cat Flap works by reading your cat’s unique microchip or Cat Mate ID Disc when flap pushed. Lets your programmed pet come in (not dual scanning) with the convenient 2-way lock that allows you to control access
  • Now you no longer have to keep track of which pets are allowed in or out of your home. An LCD display shows the entry and exit lock status as well as the location and time since the last use of the flap for up to 3 cats
  • Want to keep all of your pets in at night? The programmable timer function will control access for all pets over certain periods (no individual settings function). The battery-operated cat flap uses 4 x AA batteries (not supplied). Includes a low battery indicator

6. SureFlap cat flap with microchip identification

SureFlap cat flap with microchip identification

This cat flap prevents strays from coming into your home. It is compatible with all common microchips and RFID collar tags. You can store up to 32 pets with simple one-button programming. It requires four AA batteries which last up to a year. It can be installed in glass doors, windows or brick walls and accessories are available.

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Sure Petcare SureFlap Microchip Cat Flap, RFID Collar Tags and Microchip Compatible, One-Button Control, Install in Doors, Windows and Walls, White, 4 x AA Batteries Required, Not Included
  • MICROCHIP AND RFID COLLAR TAG IDENTIFICATION: Opens for your pet's unique microchip ID or Sure Petcare RFID Collar Tag
  • SELECTIVE ENTRY: Prevents intruder animals from entering your home
  • EASY TO INSTALL: Can be installed into a door, window or walls (fitting accessories sold separately)

7. PetSafe extreme weather pet door

Extreme Weather Cat Flap for glass doors

The Extreme Weather Pet Door maintains the climate of your home with the unique insulating centre flap. It is energy efficient as it ensures a robust, weather-tight seal, the Extreme Weather Pet Door boasts being 3.5 times more energy-efficient than a traditional cat flap thanks to the dual PVC flaps and the centre insulating fabric flap. It features a snap-on closing panel which allows you to keep your pet from using the pet door; use a second closing panel (sold separately) on the outside for an additional layer of weather protection. It might sound fancy but it is actually very easy to install. With the help of the simple installation guide and cutting template a precise fit can be achieved quickly and easily, this pet door fits most doors 4.1 – 5.7cm thick.

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PetSafe Extreme Weather Pet Door Medium, Easy Install, Insulating, Weather Proof, Energy Efficient, 3 Flap System
  • Revolutionary 3-flap system with 3 flaps, the flap for extreme weather conditions maintains the ambient temperature of your home, thanks to a unique insulating central shutter
  • Insulated Robust, waterproof and weather resistant, the animal door for extreme weather conditions offers 3.5 times more energy savings than a conventional cat door
  • Insulated Robust, waterproof and weather resistant, the animal door for extreme weather conditions offers 3.5 times more energy savings than a conventional cat door

We hope this article has helped you to pick a cat flap suitable for your home.

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