Cat Mate Standard Locking Cat Flap - White 304W
Product Description
Cat Mate 304W Standard Locking Cat Flap – White
The Cat Mate 304W Standard Locking Cat Flap is a reliable, high-quality cat door designed for thin wooden doors, panel doors and screens up to 13mm thick. Finished in white with a clear weather-resistant flap, this classic Cat Mate cat flap provides your cat with independent access while allowing you to secure your home whenever required.
Ideal for internal and external thin doors, the Cat Mate 304W features a simple and dependable 2-way slide locking system that allows you to choose between fully open or fully locked.

Perfect for Thin Doors
The Cat Mate 304W has a self-lining tunnel designed for doors and panels up to 13mm (½ inch) thick, making it an excellent choice for:
- Thin timber doors
- Internal doors
- Panel doors
- Garden sheds
- Utility room doors
- Screen doors
If you require a cat flap for thicker doors, walls or double glazing, we also stock a full range of Cat Mate wall and glass fitting models.
Simple 2-Way Locking System
The easy-to-use sliding lock allows you to quickly control your cat's access.
- Open – Your cat can come and go freely.
- Locked – Prevents entry and exit when required.
The robust locking mechanism is simple to operate and ideal for everyday use.

Key Features
- Genuine Cat Mate 304W cat flap
- Classic white finish
- Clear weather-resistant flap
- Simple 2-way locking system
- Designed for doors up to 13mm thick
- Self-lining frame
- Easy DIY installation
- Suitable for most cats and small pets
- Strong, durable construction
- Ideal replacement for older Cat Mate 304 models
Product Dimensions
Overall Frame Size
192mm × 200mm (7⅝" × 7⅞")
Cut-Out Size
165mm × 174mm (6½" × 6⅞")
Maximum Door Thickness
13mm (½")

Easy Installation
The Cat Mate 304W has been designed for straightforward installation into suitable timber and panel doors. The self-lining construction provides a neat finish while maintaining the strength and appearance of the door.
All fixings and screw caps are supplied inside the box.
What's in the Box?
- Cat Mate 304W White Cat Flap
- Clear flap
- Fixing screws
- Decorative screw caps
- Installation instructions
Frequently Asked Questions
Is the Cat Mate 304W suitable for double glazing?
No. This model is designed for thin timber and panel doors up to 13mm thick. Glass installations require a dedicated glass-fitting cat flap.
Can it be fitted into a uPVC door?
Yes, provided the panel section of the door is no thicker than 13mm. It is not suitable for reinforced uPVC panels without modification.
Does it lock?
Yes. The Cat Mate 304W features a simple two-position slide lock allowing the flap to be either fully open or fully locked.
What size cat is it suitable for?
The flap is suitable for most domestic cats and many smaller pets such as rabbits.
Is this a genuine Cat Mate product?
Yes. We supply genuine Cat Mate products complete with manufacturer packaging and instructions.
Download the Product Manual
Download the Cat Mate 304W Installation Manual (PDF)
Fast UK Delivery
We normally dispatch orders within 24 hours. Smaller parcels are sent via Royal Mail, while larger orders are shipped using Parcelforce on a standard 48-hour service.
Orders over £50 qualify for our free UK delivery option.
-
0%
-
0%
-
0%
-
0%
-
0%
Reviews Over Cat Mate Standard Locking Cat Flap - White 304W
- (0)
Total Reviews (0)
click here write review to add review for this product.
-
(0)
-
(0)
-
(0)
-
(0)
Report this review.
When you order from catflaps.com, you will receive a confirmation email. Once your order is shipped, you will be emailed the tracking information for your order's shipment. You can choose your preferred shipping method on the Order Information page during the checkout process.
The total time it takes to receive your order is shown below:
The total delivery time is calculated from the time your order is placed until the time it is delivered to you. Total delivery time is broken down into processing time and shipping time.
Processing time: The time it takes to prepare your item(s) to ship from our warehouse. This includes preparing your items, performing quality checks, and packing for shipment.
Shipping time: The time for your item(s) to travel from our warehouse to your destination.
Shipping from your local warehouse is significantly faster. Some charges may apply.
In addition, the transit time depends on where you're located and where your package comes from. If you want to know more information, please contact the customer service. We will settle your problem as soon as possible. Enjoy shopping!
