# Cat Mate 235W 4-Way-Lock Cat Flap with Liner

Cat Mate 235W is a four-way-lock cat flap with a liner, listed for small to average-sized cats. Its selectable in-and-out, in-only, out-only and locked settings provide control over access, while the supplied cut-out dimensions help assess fit before installation.

- [Original product page](https://bargainpostbox.co.uk/product/cat-mate-235w-4-way-lock-cat-flap-liner)
- [View offer](https://bargainpostbox.co.uk/visit/cat-mate-235w-4-way-lock-cat-flap-liner)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Cat Mate
- Model: 235W
- Category: Pet Supplies > Pet Toys & Accessories
- Price: 14.44 GBP
- Previous price: 16.99 GBP
- Discount: 15%
- Price checked: 2026-11-12T18:04:34.586Z
- Rating: 4.6 / 5
- Reviews: 5664

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Four manual settings allow entry and exit, entry only, exit only or fully locked access.
- Listed for small to average-sized cats, with a 145 mm by 145 mm flap opening.
- The listing names UPVC, metal and wooden doors, as well as walls, as installation options.
- Brush strips and magnetic closure are intended to help reduce draughts and rain ingress.

## Pros

- Four access settings let owners restrict movement without relying on an electronic control system.
- The listing provides cut-out, flap-opening and overall dimensions to help plan an installation.
- Customer feedback describes quiet operation and straightforward installation into existing pet-door holes.

## Specifications

### Identity
- Brand: Cat Mate
- Model: 235W
- Size: M
- Suitable pet: Cat
- Colour: White
### Dimensions and installation
- Cut-out size: 165 mm \(6 1/2”\) width by 174 mm \(6 7/8”\) height
- Flap opening size: 145 mm width by 145 mm height
- Overall size: 192 mm \(7 5/8”\) width by 200 mm \(7 7/8”\) height
- Weight listed: 0.85 Pounds
- Listed installation surfaces: Suitable for UPVC doors, metal doors, wooden doors, and walls
### Materials and protection
- Material listed: Super-tough polymer
- Closure type: Magnetic
- Weather-related design: Designed with brush strips and magnetic closure to help minimise draughts and rain ingress
### Access control
- Lock settings: in-and-out, in-only, out-only, or locked

## Before you buy

- The title says the liner suits thicknesses up to 50 mm, while detail fields give mattress thickness, maximum compatible thickness and minimum compatible thickness as 2 Inches. Those thickness descriptions are inconsistent, so confirm the intended panel or wall depth and liner fit before buying. The listing also describes the flap for small and average-sized cats but labels its size M and dog breed size Extra Small. The magnetic closure and brush strips are stated to help minimise draughts and rain ingress, not to guarantee a sealed opening. Customer feedback reports that some users find the locking mechanism painful to operate.

## A good fit for

- Owners of small to average-sized cats who want four manual access settings.
- Buyers replacing a flap in an existing opening who can compare it with the stated cut-out dimensions.
- Installations in a UPVC, metal or wooden door, or a wall, subject to confirming the thickness and required fitting method.

## Less suited to

- Buyers who need microchip-based access control, which is not listed for this model.
- Buyers who need confirmed compatibility with a particular wall or door thickness without checking the inconsistent thickness details.

## Customer feedback

Customer feedback highlights perceived quality, quiet operation, ease of use and installation into existing pet-door holes. Some customers report difficulty using the locking mechanism, so that trade-off matters if the four access settings will be changed often. These are customer impressions, while the opening dimensions and lock options are listing claims rather than evidence that the flap will fit a particular opening or feel comfortable to operate.
- Positive themes: Customers describe the flap as good quality and easy to install in existing pet-door holes.
- Positive themes: Feedback mentions quiet operation, straightforward use and cats learning to use the flap quickly.
- Positive themes: Some customers like its appearance and report that it blends with their décor.
- Negative themes: Some customers find the locking mechanism painful to use.
- Mixed feedback: Feedback on the locking mechanism is mixed, with reports that it works in both directions alongside difficulty operating it.

## Frequently asked questions

### What access settings does the Cat Mate 235W offer?
The listing describes four settings: in-and-out, in-only, out-only and locked.
### What opening and cut-out dimensions are listed?
The cut-out is 165 mm wide by 174 mm high, and the flap opening is 145 mm by 145 mm. Overall dimensions are 192 mm wide by 200 mm high.
### Which surfaces can it be installed in?
The listing names UPVC, metal and wooden doors, and walls. Confirm the installation method and panel depth for your chosen location.
### Does the listing clearly confirm the liner's compatible thickness?
No. The title states up to 50 mm, while detail fields report 2 Inches and do not consistently describe a minimum or maximum. Check the intended thickness with the listing before purchase.

## Alternative options

- [Cat Mate Cat Flap Adapter Kit for Walls and Glass Panels, White \| Compatible with Cat Mate 360B & 358, Includes Faceplates, Easy Installation, Suitable for Walls & Glass Panels](https://bargainpostbox.co.uk/visit/cat-mate-235w-4-way-lock-cat-flap-liner)
- [Cat Mate 4-Way-Locking Cat Flap for Small to Average-Sized Cats, White \| Secure Double Point Lock, Weather Resistant, Easy Installation, Silent Action, Ideal for Thin Panel Doors & Screens](https://bargainpostbox.co.uk/visit/cat-mate-235w-4-way-lock-cat-flap-liner)
- [Lessmon Cat Door, M, 4-Way Lock, Outer Size 5.98x5.7in \| 4-Way Lock for Pet Safety, Weatherproof & Durable, Easy DIY Installation, Fits Doors, Windows & Walls](https://bargainpostbox.co.uk/visit/cat-mate-235w-4-way-lock-cat-flap-liner)
- [Cat Mate Rotary 4-Way-Locking Cat Flap for Small to Medium Cats, White \| Weather Resistant, Easy Installation on UPVC, Wood & Walls, Silent Action, Suitable for Internal & External Doors](https://bargainpostbox.co.uk/visit/cat-mate-235w-4-way-lock-cat-flap-liner)
- [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" \(White\)](https://bargainpostbox.co.uk/visit/cat-mate-235w-4-way-lock-cat-flap-liner)
- [4 Way Locking Cat Flap Medium with Magnets, Extremely Durable, Black,M \| Easy Install Pet Door For Cats & Doggie, Silent Manual Pet Flap For Wall/Wooden/Upvc Door with Tunnel](https://bargainpostbox.co.uk/visit/cat-mate-235w-4-way-lock-cat-flap-liner)
- [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](https://bargainpostbox.co.uk/visit/cat-mate-235w-4-way-lock-cat-flap-liner)
- [PetSafe Magnetic 4 Way Locking Deluxe Cat Flap, White & Woodgrain \| Selective Entry for Secure Access](https://bargainpostbox.co.uk/visit/cat-mate-235w-4-way-lock-cat-flap-liner)
- [PetSafe Original 2 Way Pet Door, Small, White \| Manual Lock, Durable Frame](https://bargainpostbox.co.uk/visit/cat-mate-235w-4-way-lock-cat-flap-liner)
- [Whiskas 1+ Mixed Menu Adult Wet Cat Food in Jelly Pouches 84 x 85g](https://bargainpostbox.co.uk/visit/cat-mate-235w-4-way-lock-cat-flap-liner)

## Add-ons

- [Cat Mate Wall Liner Tunnel Section \(For 234,235 Flaps\), White \| Easy to Install and paintable, Can be cut down to your required length](https://bargainpostbox.co.uk/visit/cat-mate-235w-4-way-lock-cat-flap-liner)

## Images

![Cat Mate 235W 4-Way-Lock Cat Flap with Liner — 1](https://bargainpostbox.co.uk/i/wkMe6RwokwRLd14Y7mJFoHBj7VAY6SZoxk1gT0rCc1smdIQLhfGK9-110IN_3bWdiI545AkAg2eNzaW7KiGrL_oH8FCeuOYpjZ6gR4IBIOkIDM9ZvKEs3ARk.jpg)

![Cat Mate 235W 4-Way-Lock Cat Flap with Liner — 2](https://bargainpostbox.co.uk/i/JFfwGDLUJ1wUOqEizgSfIeDXY1NS25blvAxf4VACU4_IVrdY_ND5ovAn-Lk4SIj3xUmBzq9R-KK27xPgIt4w4WZM_dSVHgVuslMdJYjAWQHuoNlQRoL5PwCg.jpg)

![Cat Mate 235W 4-Way-Lock Cat Flap with Liner — 3](https://bargainpostbox.co.uk/i/llYSTdGaGbwvVCukP6F1-D4eLdcqWbvw4tYyDw0jOlZV7XVi6nkNvKcNurGD-GknlHlN_6sORSpDCRFOXoEG946taNcu1CEpslOQUorBjiE2-m3JJmRXremf.jpg)

![Cat Mate 235W 4-Way-Lock Cat Flap with Liner — 4](https://bargainpostbox.co.uk/i/f9x4dMQkvwkIReHyahuiyen9uZxryRi2pFc-Sri54WZfsF8fj_i6trQ-BYdAe1IaaQ9I9xg8O6KsAChQzDKDbW2GxgJwa8qYzNj7_cEm6f0g25AJ0F5twH_W.jpg)

![Cat Mate 235W 4-Way-Lock Cat Flap with Liner — 5](https://bargainpostbox.co.uk/i/qvhkbW7RXsdcN5Y27TdqWutX3ZAIGgfsB6o94_DO2u7qovxK7atNsiosk3bVElxntZf_zyTpGFDednJv3CygYiTQ0MVrlCjcvj2TCldXpKttk8YRZNR76WUi.jpg)

![Cat Mate 235W 4-Way-Lock Cat Flap with Liner — 6](https://bargainpostbox.co.uk/i/EJQGHSDbRUCz-xX8_fHWqr1KCWSvCkKVwkZ8fBKk-EU6yDU6VAmSHW08H5hvEY-yQpSjnL3ki3pSEr7MK8y8SeRViDPYCDCnALc4Q3qzfhON4iUt.jpg)

![Cat Mate 235W 4-Way-Lock Cat Flap with Liner — 7](https://bargainpostbox.co.uk/i/fzsIfOUcRIbZKIaQ5MAwJ5GObHulJn89FbTJ1IsKsS-FqcZUzoKMpO_4Bmv9YANgREpmao3VLc2Tr-uhtuG0aqDQLT3ysZWngS2n3HxK6k6ZCou0SULlekkw.jpg)