window cat flap insert comparison - September 2026

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Last updated on 01.09.2026

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Ideal Pet Products Aluminum Sash Window Pet Door, Adjustable to Fit Window Widths from 27" to 32", Cat Flap 6-1/4” x 6-1/4” Flap Size

IDEAL PET PRODUCTS SINCE 1979

7% off

free shipping

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9,9

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PetSafe Manual-Locking Cat Flap, White | 4-Way Lock, Energy Efficient, Easy Installation

PetSafe

11% off

free shipping

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9,8

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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

SureFlap

free shipping

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9,5

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CEESC Large Cat Flap (Outer Size 11" x 9.8"), 4 Way Locking Large Cat Flap Door for Interior Exterior Doors, Weatherproof Pet Door for Cats & Doggie with Circumference < 24.8" (White)

CEESC

free shipping

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9,5

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Purrfect Cat Door - No-Flap Interior Door for Cats Up to 20 lbs, Easy DIY Setup, Secured Installation in Minutes, No Training Needed

Purrfect Portal

free shipping

To the product (1 offer)

9,5

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Compact Cat Door for Window,Fits 27"-32" Width Windows,Quick Install with No Damage,Aluminum Frame Pet Door for Window,Cat Window Door Insert with Tight Seal,4 Lock Modes to Control Pet Access

Petoasis

8% off

free shipping

To the product (1 offer)

9,5

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Liberty Cat Door for Sash Windows | Cat Door for Aluminum Frame Windows | Economical Sturdy Window Insert | White Frame | 32" - 33.5" Width Range

Liberty Pet Door

free shipping

To the product (1 offer)

9,4

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JUBITAIL Window Cat Door Insert for Vertical Sash Windows, 23.5-37.5 in | No-drill adjustable aluminum frame; clear-view panel; 4-way lock; weather seals; for apartments, rentals and catios

JUBITAIL

17% off

free shipping

To the product (1 offer)

9,4

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EASY JOY Large Cat Flap, 4 Way Locking with Magnets Cat Flap Door, White,L | Easy Install, Weatherproof Pet Door for Cats, Silent Manual Pet Flap for Wall/Wooden Door/Upvc Door

EASY JOY

free shipping

To the product (1 offer)

9,3

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Fdit Cat Flap Door for Cats Dogs Pet, Large Cat Flap Door for Windows Sliding Glass Doors With 4 Locking Possibilities (Round Transparent)

Fdit

free shipping

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9,3

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Adjustable Ventilated Pet Door for Window 28.3"-32.6" Wide, White Aluminum Frame + Stainless Steel Mesh | Breathable Bug-Proof | 4-Way Lock Magnetic Closure Cat Window Door,Cat Door for Window Insert

【Ventilated Window Cat Door】Features heavy-duty aluminum frame and stainless steel screen mesh, corrosion-resistant and more durable(supports up to 30lbs). The built-in lockable pet door combines 4-way security locks with magnetic auto-closing

£ 53.99 free shipping

To the product (1 offer)

LIBBEPET Cat Door for Window, Aluminum Window Cat Door Insert Fit Windows Width 27"-32", Cat Flap for Window with Magnetic Flap Opening 7.8 x 8.3 in, Tool-Free Install, Safety & Weatherproof, Medium

Safe Passage for Cats: LIBBEPET window cat door creates a safe passage for your cat to go out or come home. The reliable 4-way locking mechanism (2-Way Opening/Closure, Outward Opening, Inward Opening) allows you to freely control the cat's entry and exit permissions, while preventing foreign animals from entering.

£ 84.96 free shipping

To the product (1 offer)

Cat Mate Microchip Activated Cat Flap (360) for Cats & Small Dogs, White | Stores 30 Pet IDs, Weather Resistant, Selective Entry, Keeps Unwanted Animals Out, Easy Installation

MICROCHIP ACTIVATED ENTRY: Reads microchips or Cat Mate ID Discs, sold separately, allows access for up to 30 cats. Compatible with 15-digit ISO microchips and AVID microchips. Not compatible with 10-digit microchips or those containing letters

£ 44.91 free shipping

To the product (7 offers)

24% off

Kerbl Rustica Cat House, 57 x 45 x 43 cm

Kerbl Pet

£ 46.39 free shipping

Only:

22hrs

57min

22sec

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NIAOMAOGOU Cat Door for Window, Aluminum Cat Door Window Insert with 4 Secure Lock Modes, Magnectic Closure for Cats, Fit Window Width 32"-36", White

【EASY INSTALLATION】 This cat door for window is carefully designed and suitable for most sliding windows. Simply follow the instructions to quickly and tool free install it in minutes without damaging the window, providing instant access for pets.

£ 109.57 free shipping

To the product (1 offer)

45% off

Ferplast Swing 11 Universal Cat Flap for Dogs and Cats - 4 Selectable Closing Modes - Wind-Stopper System - Closing Shock Absorber - Magnetic Anti-Oscillation - Transparent Door - Brown

Ferplast

£ 26.44 free shipping

Only:

22hrs

57min

22sec

To the product (1 offer)

Cat Door for Window Weatherproof: Aluminum Frame Flap Pet Door Fit Window Insert - Easy Adjustable to Quick Fit Windows Width 31"-36" - 4 Secure Lock Modes with Magnetic Closure for Cats Dog

Multi-mode lock: The multi-mode lock provides four locking mechanisms: two-way closing, two-way opening, outward opening, and inward opening. You can freely adjust the operation mode of the door to make pets enter and exit freely without manual operation, which effectively saving your time and energy.

£ 133.16 free shipping

To the product (1 offer)

Wordcam Large Cat Door Interior Door, XL Indoor Cat Door, Pet Doors for Cats, Kitties and Small Dogs (White)

Wordcam

£ 22.62 free shipping

To the product (1 offer)

5% off

Pet Door for Glass Windows, 4-way Locking Cat Flap, Small Dog and Cat Entry

Cocoarm

£ 26.21 free shipping

To the product (1 offer)

Aluminum Cat Door for Windows - Adjustable to Fit Window Width 36"-40", Quick-Fit Cat Door Window Insert, Magnetic Suction Design, Perfect for Cats

Tool-Free Installation - The aluminum cat door fits most sliding windows (36"-40" wide) and installs/removes in minutes without damaging your window—ideal for renters or eco-conscious pet owners

£ 140.99 free shipping

To the product (1 offer)

Wingcat Removable Cat Flap for Sliding Bay Windows Large 240 cm

The soft cat flap for bay window An essential accessory for your cat's freedom Basically, a cat flap is an opening made in a door. It allows cats to be autonomous and to get in and out of your home as they please.

£ 80.00 free shipping

To the product (1 offer)

8% off

Door Buddy Cat Door Latch & Stopper. Adjustable Dog Proof Strap for Cats to Keep Dog out of Litter Box & Feeder. Simpler Pet Gate Alternative. No-Cut Interior Cat Door

Door Buddy

£ 21.97 free shipping

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