10 Best Cat Flaps for Windows in the UK 2025
Updated on 29/07/2025
#1
Recommended
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- Four locking options available
- Durable construction with a high-quality white aluminum and thermoplastic finish
- Easy installation process
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- Four locking options available
- Durable construction with a high-quality white aluminum and thermoplastic finish
- Easy installation process
#2
Value for Money
11% Off
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- Microchip or RFID collar tag compatibility for pet identification
- Selective entry system to keep out unwanted animals
- Versatile installation options for doors, windows, or walls
- One-button programming to store up to 32 pet IDs easily
- Long-lasting battery life of up to 12 months, requires 4 AA batteries
- Includes a 3-year warranty for added assurance
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- Microchip or RFID collar tag compatibility for pet identification
- Selective entry system to keep out unwanted animals
- Versatile installation options for doors, windows, or walls
- One-button programming to store up to 32 pet IDs easily
- Long-lasting battery life of up to 12 months, requires 4 AA batteries
- Includes a 3-year warranty for added assurance
#3
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- Ideal for small to medium-sized cats
- 4-way locking mechanism for versatile usage: in/out, in only, out only, or locked
- Constructed from highly durable super-tough polymer
- User-friendly and tamper-proof design
- Operates silently for a discreet experience
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- Ideal for small to medium-sized cats
- 4-way locking mechanism for versatile usage: in/out, in only, out only, or locked
- Constructed from highly durable super-tough polymer
- User-friendly and tamper-proof design
- Operates silently for a discreet experience
#4
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- Allows easy access for cats and small dogs, providing freedom to move in and out without assistance.
- Features four lock modes for controlling access: Free In & Out, Fully Locked, Out Only, and In Only, preventing unwanted animals from entering.
- Designed without a tunnel for seamless installation in various door types, accommodating pets with waist circumferences under 50cm.
- Constructed from durable ABS plastic, ensuring longevity while minimizing drafts, pests, and odors.
- Includes installation kit with clear instructions, screws, and double-sided tape for straightforward setup.
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- Allows easy access for cats and small dogs, providing freedom to move in and out without assistance.
- Features four lock modes for controlling access: Free In & Out, Fully Locked, Out Only, and In Only, preventing unwanted animals from entering.
- Designed without a tunnel for seamless installation in various door types, accommodating pets with waist circumferences under 50cm.
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#5
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- 4-way locking mechanism allows control over pet entry and exit: open, locked, in-only, and out-only modes.
- Transparent flap design enhances visibility for pets; waterproof exterior seal and brush strip minimize closing noise for a quieter operation.
- Designed for cats and small dogs up to 13 pounds, ensuring safe access while preventing unwanted intrusions by other animals.
- Constructed from durable ABS and UV-stabilized polycarbonate for long-lasting use and pet safety.
- Simple installation process suitable for various wall types, ensuring an effective and secure pet door solution.
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- 4-way locking mechanism allows control over pet entry and exit: open, locked, in-only, and out-only modes.
- Transparent flap design enhances visibility for pets; waterproof exterior seal and brush strip minimize closing noise for a quieter operation.
- Designed for cats and small dogs up to 13 pounds, ensuring safe access while preventing unwanted intrusions by other animals.
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#6
35% Off
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- Designed for large cats or small dogs with a shoulder height up to 360mm, this flap allows pets to move freely.
- Features a secure 4-way locking system to control access: in-only, out-only, both ways, or fully locked.
- Equipped with low-noise doors and brush strips to reduce sound, promoting a quiet environment.
- Constructed with magnetically closed flaps that are draft and weather-resistant for durability.
- Compatible with UPVC, metal, and wooden doors, with self-lining capability for thickness up to 50mm.
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- Designed for large cats or small dogs with a shoulder height up to 360mm, this flap allows pets to move freely.
- Features a secure 4-way locking system to control access: in-only, out-only, both ways, or fully locked.
- Equipped with low-noise doors and brush strips to reduce sound, promoting a quiet environment.
- Constructed with magnetically closed flaps that are draft and weather-resistant for durability.
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#7
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- Designed for easy access, allowing cats and small dogs to move freely without feeling trapped.
- Offers four adjustable lock modes: Free In & Out, Fully Locked, Out Only, and In Only, providing control over pet access and minimizing stray animal intrusion.
- Minimal installation required with a slim profile of 2 cm, compatible with various surfaces including windows, wooden doors, and sliding glass doors. Suitable for pets with waist circumference under 50 cm.
- Constructed from durable ABS plastic, weatherproof design helps to keep out pests and maintain indoor climate, effectively reducing heat loss in winter and cold air in summer.
- Easy to install with included detailed instructions, screws, and double-sided tape, compatible with multiple door types and locations such as wood, metal, glass, and even walls.
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- Designed for easy access, allowing cats and small dogs to move freely without feeling trapped.
- Offers four adjustable lock modes: Free In & Out, Fully Locked, Out Only, and In Only, providing control over pet access and minimizing stray animal intrusion.
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#8
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- Allows cats and small dogs to enter and exit quietly and independently.
- Features four lock modes for controlling pet access and preventing entry by strays.
- Constructed from durable ABS plastic with sealing strips and magnets to prevent bugs and odors.
- Ideal for pets with a waist circumference under 40cm and fits various door types and locations.
- Includes installation instructions, screws, and adjustable tunnel depth for easy DIY setup.
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- Allows cats and small dogs to enter and exit quietly and independently.
- Features four lock modes for controlling pet access and preventing entry by strays.
- Constructed from durable ABS plastic with sealing strips and magnets to prevent bugs and odors.
- Ideal for pets with a waist circumference under 40cm and fits various door types and locations.
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#9
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- 4 adjustable locking modes for easy control of pet’s access: out only, in only, both ways, and fully locked.
- Features a quiet design with flip-up magnets to prevent disturbances for both pets and owners.
- Includes all necessary installation components: detailed instructions, screws, caps, double-sided tape, and screwdriver.
- Constructed from durable, weather-resistant ABS material with a smooth surface; transparent flap allows pets to see through, and the brush strip minimizes noise when closing.
- Large size suitable for various doors and windows, with external dimensions of 9.8 x 9.2 x 2.08 inches and internal dimensions of 7.48 x 7.08 inches, ideal for thin panels.
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- 4 adjustable locking modes for easy control of pet’s access: out only, in only, both ways, and fully locked.
- Features a quiet design with flip-up magnets to prevent disturbances for both pets and owners.
- Includes all necessary installation components: detailed instructions, screws, caps, double-sided tape, and screwdriver.
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#10
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- Robust PC construction offers a sturdy, weather-resistant door that's easy to clean.
- Locking mechanism provides four operational modes: fully open, locked, entry-only, and exit-only, eliminating the need for constant door management.
- Clear design integrates seamlessly with glass applications, enhancing aesthetic appeal while allowing pet access.
- Flap size accommodates most small pets up to 13 lbs, including various cat breeds and small dogs.
- Brush strips minimize noise during pet entry and exit, ensuring a quiet experience for both pets and owners.
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- Robust PC construction offers a sturdy, weather-resistant door that's easy to clean.
- Locking mechanism provides four operational modes: fully open, locked, entry-only, and exit-only, eliminating the need for constant door management.
- Clear design integrates seamlessly with glass applications, enhancing aesthetic appeal while allowing pet access.
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