10 Best Large Cat Flap for Glass Door in the UK 2025
Updated on 26/07/2025
#1
Recommended
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- Accommodates large cats and small dogs with a shoulder height of up to 14 inches, including breeds like Yorkshire Terriers, Pekinese, and Dachshunds.
- Features a secure 4-way locking mechanism that allows for customizable access - in and out, in only, out only, or completely locked.
- Includes a fully brush-sealed flap that is draught- and weather-proof, equipped with a magnetic closure.
- Designed with a rain-proof seal to keep the interior dry.
- Operates silently for a non-disruptive experience.
- Ensure to check the diameter of pre-cut holes before purchasing.
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- Accommodates large cats and small dogs with a shoulder height of up to 14 inches, including breeds like Yorkshire Terriers, Pekinese, and Dachshunds.
- Features a secure 4-way locking mechanism that allows for customizable access - in and out, in only, out only, or completely locked.
- Includes a fully brush-sealed flap that is draught- and weather-proof, equipped with a magnetic closure.
- Designed with a rain-proof seal to keep the interior dry.
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#2
Value for Money
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- Adjustable pet door with four modes: out only, in only, both directions, and fully locked for easy control.
- Dimensions: Outer - 9.8" x 11" x 2.15", Inner - 7.9" x 8.7", Cut-Out - 8.3" x 9.5"; suitable for doors and thin walls for pets up to 27.54 lbs and waists under 24.8 inches.
- Transparent flap allows pets to see through the door, while the exterior rain seal provides waterproof protection and a brush strip reduces noise from closing.
- Comes with complete installation instructions for windows, doors, cupboards, panels, and walls.
- Constructed from durable, weather-resistant ABS material with a smooth finish.
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- Adjustable pet door with four modes: out only, in only, both directions, and fully locked for easy control.
- Dimensions: Outer - 9.8" x 11" x 2.15", Inner - 7.9" x 8.7", Cut-Out - 8.3" x 9.5"; suitable for doors and thin walls for pets up to 27.54 lbs and waists under 24.8 inches.
- Transparent flap allows pets to see through the door, while the exterior rain seal provides waterproof protection and a brush strip reduces noise from closing.
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#3
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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#4
26% Off
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- Provides pets with the ability to enter and exit freely, eliminating the need for scheduling breaks.
- Designed for easy installation; compatible tunnel extension available for thicker barriers.
- Features a 2-way door with a removable closing panel for added control of pet access.
- Suitable for various types of doors and walls; includes a cutting template for a straightforward setup.
- Offers a durable design backed by a 3-year warranty.
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- Provides pets with the ability to enter and exit freely, eliminating the need for scheduling breaks.
- Designed for easy installation; compatible tunnel extension available for thicker barriers.
- Features a 2-way door with a removable closing panel for added control of pet access.
- Suitable for various types of doors and walls; includes a cutting template for a straightforward setup.
- Offers a durable design backed by a 3-year warranty.
#5
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- 4-way locking system for controlling entry/exit: In, Out, In/Out, and Locked options for convenience.
- Designed with a brush strip to minimize noise during operation, ensuring a quiet experience for pets and owners.
- Transparent structure allows pets to see through the door, making it suitable for installation in glass doors and windows, including sliding types.
- Constructed from premium, weather-resistant ABS plastic, this durable door features a smooth, safe design and self-closing flap to reduce maintenance and draughts.
- Spacious flap dimensions (20x18cm) accommodate all cat breeds and small dogs up to 6kg (13lbs).
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- 4-way locking system for controlling entry/exit: In, Out, In/Out, and Locked options for convenience.
- Designed with a brush strip to minimize noise during operation, ensuring a quiet experience for pets and owners.
- Transparent structure allows pets to see through the door, making it suitable for installation in glass doors and windows, including sliding types.
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#6
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- 4-way locking system for controlling pet access: always open, allow entry only, allow exit only, or fully locked.
- Transparent design seamlessly blends with glass windows and doors, enhancing aesthetics while providing easy access for pets.
- Designed for quiet operation with noise-reducing brushes and injury-preventing rubber components, ensuring a safe environment for pets.
- Constructed from durable ABS plastic and weatherproof materials, this cat flap is resistant to UV rays and built to last.
- Accommodates all cats and small dogs up to 6 kg, providing pets with convenient access while enhancing their living space.
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- 4-way locking system for controlling pet access: always open, allow entry only, allow exit only, or fully locked.
- Transparent design seamlessly blends with glass windows and doors, enhancing aesthetics while providing easy access for pets.
- Designed for quiet operation with noise-reducing brushes and injury-preventing rubber components, ensuring a safe environment for pets.
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#7
17% Off
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- Four locking modes (in, out, in/out, locked) provide flexibility in controlling pet access without needing to open or close the door repeatedly.
- Designed for seamless integration with glass surfaces, making it ideal for sliding doors and window screens; offers a stylish solution for pet owners.
- Features a quiet door operation and rubber protection to ensure the safety and comfort of pets while allowing them free access.
- Constructed with durable ABS plastic and UV-resistant polycarbonate for enhanced weather resistance and long-lasting performance.
- Flap dimensions of 7.25" x 8" accommodate various cat sizes and small dog breeds, creating a comfortable space for your pets.
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- Four locking modes (in, out, in/out, locked) provide flexibility in controlling pet access without needing to open or close the door repeatedly.
- Designed for seamless integration with glass surfaces, making it ideal for sliding doors and window screens; offers a stylish solution for pet owners.
- Features a quiet door operation and rubber protection to ensure the safety and comfort of pets while allowing them free access.
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#8
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- Outer dimensions: 9.25" x 9.84" x 2.15"; inner dimensions: 7.09" x 7.48". Suitable for pets under 13.23 lbs and with a waist size below 23.6 inches. Measure your pet to select the correct size.
- Features a 4-way locking mechanism with modes for free access, in only, out only, and fully locked. Easily adjust settings with a user-friendly switch.
- Brush-sealed design helps keep out rain and cold drafts, reduces noise when closing, and allows pets to come and go freely.
- Constructed from high-quality, weather-resistant ABS material with a smooth, durable surface. Safe and non-polluting. Remove protective film after installation for optimal visibility.
- Designed with silent flip-up magnets to prevent disturbance for both pets and owners. Automatically returns to closed position after use.
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- Outer dimensions: 9.25" x 9.84" x 2.15"; inner dimensions: 7.09" x 7.48". Suitable for pets under 13.23 lbs and with a waist size below 23.6 inches. Measure your pet to select the correct size.
- Features a 4-way locking mechanism with modes for free access, in only, out only, and fully locked. Easily adjust settings with a user-friendly switch.
- Brush-sealed design helps keep out rain and cold drafts, reduces noise when closing, and allows pets to come and go freely.
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#9
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- Prevents unwanted strays from entering by recognizing your cat's microchip or Cat Mate ID Disc.
- Simple one-button programming with LED indicator for easy registration of your cat's microchip.
- Durable construction with weatherproof and draft-resistant features for energy efficiency.
- Fits various door types, including metal up to 35 mm thick, and compatible with wall and glass installations with an adapter kit.
- Established in 1986, Pet Mate is known for reliable pet supplies, including cat flaps and feeders.
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- Prevents unwanted strays from entering by recognizing your cat's microchip or Cat Mate ID Disc.
- Simple one-button programming with LED indicator for easy registration of your cat's microchip.
- Durable construction with weatherproof and draft-resistant features for energy efficiency.
- Fits various door types, including metal up to 35 mm thick, and compatible with wall and glass installations with an adapter kit.
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#10
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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
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