25 DIY Cat Door Ideas

When it comes to DIY cat door ideas, there are plenty of options to choose from. Whether you’re looking for a simple solution or a more elaborate design, there are many ways to create a cat door that is both functional and stylish. Some popular options include installing a cat door in an existing door, creating a custom cat door in a wall, or even repurposing an old piece of furniture. With a little creativity and some basic tools, you can create the perfect cat door for your furry friend.

3. DIY Cat Door

During cold and stormy weather, a homemade cat door can be a cost-effective solution to keep your furry friend happy and safe. Follow these instructions to create your own:

  1. Cut a hole in a door or window at the height of your cat’s chest.
  2. Attach a flap made of durable material, such as vinyl or rubber, to cover the hole.
  3. Install a locking mechanism to keep unwanted animals out.

By making your own cat door, you can avoid having to constantly let your cat in and out while keeping them safe from the elements. For more ideas on cat-related DIY projects, check out our article on 15 cat house ideas.

5. DIY Cat Passageway Door

If you’re tired of noisy and unsightly cat doors, consider creating a beautiful passageway for your feline friend. With a power saw and a 5×8 picture frame, you can create a finished look that adds to the aesthetics of your home. This DIY project allows your cat to come and go without disrupting the peace and style of your living space.

14. Create Your Own Interior Cat Door with the DIY Kitty Pass

Cutting access holes into doors can be a simple DIY project for any cat owner. However, with the DIY Kitty Pass, you can take it a step further and create a more polished look for your cat’s entryway. This easy-to-follow guide allows you to create a customized cat door that blends seamlessly into your home decor.

Some benefits of the DIY Kitty Pass include:

  • A customizable design that can match your home decor
  • A more polished look than a basic cut-out cat door
  • Easy installation with the included template and instructions

With the DIY Kitty Pass, you can provide your feline friend with a stylish and functional entryway while maintaining the aesthetic of your home.

9. DIY Kitty Cat Window Door

Transform a ground-level window into a stylish cat entrance with 22′ poster hangers and transparent sleeves. This DIY project provides step-by-step instructions for crafting a simple and easy-to-use cat door.

7. DIY Cat Pet Door

If you’re tired of your dog getting into your cat’s private space, a DIY cat pet door may be the solution. This simple yet genius idea can also be used for your back door to increase your cat’s security. With a few materials and some basic tools, you can create a custom pet door that fits your cat’s size. Here’s what you’ll need:

  • Plywood
  • Jigsaw
  • Sandpaper
  • Wood glue
  • Screws
  • Hinges
  • Latch
  • Paint

Follow these steps to create your DIY cat pet door:

  1. Measure your cat’s size to determine the appropriate size of the door.
  2. Cut the plywood to the appropriate size using a jigsaw.
  3. Sand the edges of the plywood to make them smooth.
  4. Apply wood glue to the edges of the plywood and attach the pieces together.
  5. Screw the hinges onto the plywood and attach the door to the frame.
  6. Attach the latch to keep the door closed when needed.
  7. Paint the door to match the color of your house.

Now your cat can enjoy their private space without any interruptions from your dog.

24. Kitty Pass Door

If you’re tired of your cat’s litter box being an eyesore, the Kitty Pass Door is the perfect solution. This DIY project allows you to hide the litter box while still allowing easy access for your furry friend. Install the pass in a wall or door to keep your home looking neat and tidy.

8. Install a Cat Door in 30 Seconds

Creating a pet passage for your cat can be done in just 30 seconds with this simple DIY. All you need is a saw and a template to create a four-inch opening off the floor, allowing your cat to easily pass through without discomfort. Follow these steps to install a cat door in no time:

  1. Create a template of the cat door size you want.
  2. Place the template on the door where you want the cat door to be.
  3. Use a saw to cut along the template lines.
  4. Sand the edges of the opening to remove any rough edges.
  5. Install the cat door according to the manufacturer’s instructions.

With these easy steps, your cat will have a comfortable and convenient way to move around your home.

10. Economy Kitty Door

Upgrade your cat’s door with this DIY project. Keep it simple and classy with clean lines, perfect for those on a budget.

25. Build Your Own Automatic Cat Door

With this DIY project, you can create an automatic cat door at a low cost. You’ll have the ability to control when your furry friend can go outside, while also keeping them safe from potential predators.

11. Concealed Feline Entrance in Panel Door

If you possess a wooden door, you may not want to install a conventional pet door as it could detract from the door’s appearance. Instead, you can create a swinging door by cutting out a section of the lower panel. This do-it-yourself project is simple and straightforward.

23. Paper Cat Door

If you don’t want to damage your door, you can create a lightweight and durable cat door using a flexible plastic board. Check out the DIY instructions provided for a less invasive technique.

12. DIY Tweeting Cat Door

You can now create your own high-tech tweeting cat door without the need for a computer. With just an iron and some time, you can assemble this DIY version. Follow the instructions provided to create your own tweeting cat door.

13. Temporary Cat Door

If you’re looking for a temporary cat door solution or don’t want to damage your back door with customized pet door options, consider using the first flow window as a makeshift cat door. This clever and cost-effective DIY solution is perfect for pet owners who want to provide their furry friends with easy access to the outdoors. Follow the instructions to create your own temporary cat door.

15. Painted Cat Door

To add some personality to your cat door, try painting it with fun colors and patterns. You can also add a cute ‘meow’ tag to make it even more adorable. Here are some tips and tricks to help you create a unique and colorful cat door:

  • Choose a color scheme that matches your home decor or your cat’s personality
  • Use painter’s tape to create clean lines and shapes for your design
  • Apply primer before painting to ensure the paint adheres well
  • Use outdoor paint to prevent fading and chipping
  • Add a clear coat to protect the paint from scratches and wear

With just a few simple steps, you can transform your plain cat door into a colorful and playful addition to your home.

16. Creating a Cat Pass Corner on Your Door

If you want to give your furry friends easy access to their space without drilling holes in your door, consider making an asymmetrical corner. Follow this DIY guide to create a cat pass corner that allows your pets to move around freely in their home.

17. Create Your Own Cat Flap Door

Make a hinged pet door that opens with a slight push, allowing your furry friend to come and go as they please without bothering you. Follow these simple DIY instructions to create your own cat flap door.

6. DIY Cat Door

If you have a specially-abled cat, a DIY cat door can be a great solution. This simple yet durable cat door features a magnetic hinge and a lightweight flap that moves easily. Here’s how to make one:

  • Materials needed: plywood, magnetic strips, screws, hinges, and a lightweight flap
  • Cut the plywood to the desired size and shape of the cat door
  • Attach the magnetic strips to the plywood and flap
  • Install the hinges and screws to attach the door to the wall or door
  • Your cat can now enjoy easy access to their favorite spaces without any trouble.

18. Adding a Cat Door to a Hollow Core Door

If you’re a cat owner, you know how important it is to give your furry friend easy access to their litter box or food without the hassle of opening doors for them. Installing a cat door in a hollow core door is a great solution to this problem. Here are some tips to help you get started:

  • Measure the size of your cat and purchase a cat door that fits their dimensions.
  • Use a template to outline the shape of the cat door on the door.
  • Cut out the hole with a jigsaw or reciprocating saw.
  • Sand the edges of the hole to prevent any sharp edges.
  • Attach the cat door frame to the door with screws and seal any gaps with caulk.

By following these steps, you can create a convenient and safe access point for your cat while keeping larger pets out of the room.

19. Installing a Cat Door

If you want to provide your geriatric cat with easy access to the outdoors, consider installing a cat door. A simple DIY method involves boring a hole in your back door and installing a flap. Here’s how:

  1. Measure your cat’s height and width to ensure the flap is the right size.
  2. Mark the spot on the door where you want the cat door to be installed.
  3. Drill a hole in each corner of the marked area.
  4. Use a jigsaw to cut out the marked area.
  5. Attach the cat door frame to the hole using screws.
  6. Attach the flap to the frame according to the manufacturer’s instructions.

Your cat will now be able to come and go as they please, without you having to constantly open and close the door for them.

2. Simple DIY Cat Door

Create a stylish and affordable cat door that won’t ruin the look of your door. Follow these steps:

  1. Cut a hole in your door to the size of your cat.
  2. Use a wooden frame to surround the hole.
  3. Attach a clear plastic flap to the inside of the frame to keep out drafts.
  4. Paint or decorate the frame to match your decor.

Your cat will love the freedom to come and go as they please, and you’ll love the added convenience.

4. DIY Cat Potty Door

If you have both cats and dogs, you know how important it is to keep their potty areas separate. This DIY project will teach you how to create an affordable cat door that will prevent dogs from accessing the kitty litter box. With this easy-to-follow guide, you can ensure that your pets’ eating patterns and hormonal balance remain undisturbed.

20. Cat Pass Wall-Mount Door

Installing a wall-mounted pet door is a great solution for creating an easy access point for your cat without compromising your main door’s aesthetics. With a 4 frame rough opening, you can follow the DIY instructions in the video below to install the Freedom Pet Pass Wall-Mount Door.

Some key benefits of this door include:

  • Easy installation with step-by-step instructions
  • No damage to your main door
  • Safe and secure for your pet
  • Fits a variety of wall thicknesses

Check out the video below to learn how to install the Cat Pass Wall-Mount Door for your feline friend:

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22. Convenient Cat Window Door

If you’re looking for a quick and easy way for your cat to come and go without disrupting the air conditioning, consider building a cat window door. This DIY project is simple and efficient, allowing your feline friend to enjoy the outdoors without hassle.

1. Classiest Cat Door

Create a beautiful cat door with a unique silhouette using decorative plywood, L-brackets, and paint. This DIY project is easy and inspired by the stunning cat door of Valencia.


When it comes to DIY cat door ideas, there are several options available. You can create a simple flap-style door using materials like cardboard or vinyl, or opt for a more elaborate design using wood and a locking mechanism. Other ideas include repurposing old cabinet doors or using a pre-made pet door insert for sliding glass doors. Whichever option you choose, make sure to measure your cat’s size and consider their safety before installing the door.

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