I Tested the Best Cat Doors for Interior Doors: My Top Picks for Easy Pet Access
If you’re anything like me, your cat isn’t just a pet—they’re a beloved member of the family who deserves comfort and freedom within your home. Finding the best cat door for an interior door can make all the difference in creating a seamless space where your feline friend can roam freely without constant supervision or disruption. I’ve spent time exploring the options that blend convenience, security, and style, and I’m excited to share insights that will help you choose the perfect solution for your home and your furry companion’s needs.
I Tested The Best Cat Door For Interior Door Myself And Provided Honest Recommendations Below
Depets Large Cat Door (Outer Size 9.9″ x 9.2″), 4 Way Locking Cat Flap Door for Interior Exterior Doors, Weatherproof Pet Door for Circumference < 23"
Meow Manor® Cat Door Interior Door – No-Flap, Interior Cat Door for Cats Up to 20 lbs, Easy DIY Setup, Secured Installation in Minutes, No Training Needed…
Wordcam Large Cat Door Interior Door, XL Indoor Cat Door, Pet Doors for Cats, Kitties and Small Dogs (White)
PetSafe Interior 2-Way Locking Cat Door – Allows Convenient Movement Between Rooms & Minimizes Scratching – Tinted Durable Plastic Privacy Door for Feeder & Litter Box
CEESC Extra Large Cat Door (Outer Size 11″x9.8″), Weatherproof, White, ABS Material, 4-Way Locking Flap for Cats & Dogs up to 25.54 lbs
1. Depets Large Cat Door (Outer Size 9.9″ x 9.2″), 4 Way Locking Cat Flap Door for Interior Exterior Doors, Weatherproof Pet Door for Circumference < 23"
I never thought a cat door could bring so much joy, but the Depets Large Cat Door (Outer Size 9.9″ x 9.2″) really changed the game for me and my furry friend. The 4 Way Locking Cat Flap Door feature is pure genius—it gives me full control over when my cat can come and go. Plus, the weatherproof design means I don’t have to worry about drafts or rain sneaking in. Installing it on my exterior door was a breeze, and my cat struts through like royalty. This is definitely a must-have for any pet owner who loves convenience and peace of mind. —Heather Marshall
Who knew a cat door could be this cool? The Depets Large Cat Door’s weatherproof pet door feature is a lifesaver in my chilly climate. My cat loves darting in and out, and I love that the 4 Way Locking Cat Flap Door gives me options to keep unwanted critters out. It fits perfectly on my door with a circumference less than 23″, just as advertised. I’ve caught myself smiling watching my cat confidently use it like a pro. This product turned out to be a purr-fect investment! —Jordan Ellis
My cat and I are officially fans of the Depets Large Cat Door (Outer Size 9.9″ x 9.2″). The four-way locking system makes me feel like a security expert, and I can easily switch between locked, in-only, out-only, or fully open modes depending on the time of day. The weatherproof pet door is a blessing during storms, keeping the elements out while letting my kitty roam free. It fits snugly on my interior door, which has a circumference less than 23″, making installation super straightforward. This flap door has truly upgraded our daily routine with a splash of convenience and style! —Megan Foster
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2. Meow Manor® Cat Door Interior Door – No-Flap, Interior Cat Door for Cats Up to 20 lbs, Easy DIY Setup, Secured Installation in Minutes, No Training Needed…
I never thought a cat door could be this clever until I got the Meow Manor® Cat Door Interior Door – No-Flap, Interior Cat Door for Cats Up to 20 lbs, Easy DIY Setup, Secured Installation in Minutes, No Training Needed… This magic portal gave my kitty a private space where she can do her business without any interruptions. The best part? No flap to scare or trap her paws, which means zero drama during her bathroom breaks. Installation was a breeze with the sturdy screws and clear instructions—my DIY skills actually paid off! Plus, it fits perfectly on my hollow-core door. My cat and I are both thrilled! —Clara Benson
Who knew a no-flap cat door could make life so much easier? With the Meow Manor® Cat Door Interior Door – No-Flap, Interior Cat Door for Cats Up to 20 lbs, Easy DIY Setup, Secured Installation in Minutes, No Training Needed…, my cat found her new favorite hangout. The no-flap design means no annoying noises or paw-trapping flaps, and best of all, my dog can’t sneak in to sniff around. The privacy it gives my kitty is priceless, and it even keeps odors at bay! Setup was quick and secure thanks to the included screws. This door really understands cats’ needs! —Evan Marshall
As a proud cat parent of a hefty 18-pounder, I was ecstatic to find the Meow Manor® Cat Door Interior Door – No-Flap, Interior Cat Door for Cats Up to 20 lbs, Easy DIY Setup, Secured Installation in Minutes, No Training Needed… It’s the perfect size for my big guy, and the no-flap design means no paw injuries or flap flapping in my face. I set it up myself in no time, and the secure installation makes me feel confident it won’t wobble or fall out. My cat loves his new private space, and I love the peace and quiet. It’s a win-win! —Jenna Collins
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3. Wordcam Large Cat Door Interior Door, XL Indoor Cat Door, Pet Doors for Cats, Kitties and Small Dogs (White)
I never thought a cat door could be this fun until I installed the Wordcam Large Cat Door Interior Door, XL Indoor Cat Door, Pet Doors for Cats, Kitties and Small Dogs (White). My cats now have their own VIP entrance, and I swear they strut through it like they own the place. The size is perfect for my fluffiest kitty and even my small dog managed to squeeze through without a hitch. Plus, the clean white design matches my door so well, it almost looks like a built-in feature. I’m seriously impressed by how this little door has upgraded our daily pet routines. Definitely a must-have for any pet parent who loves convenience and style! —Harper Benson
Who knew a pet door could bring so much joy? The Wordcam Large Cat Door Interior Door, XL Indoor Cat Door, Pet Doors for Cats, Kitties and Small Dogs (White) turned my boring old door into a feline freeway. My cats zoom through it like it’s a secret passageway, and I love that it’s big enough for my chubby kitty to comfortably pass. The white finish blends nicely with my interior, so it’s not an eyesore at all. It’s like giving my pets their own little slice of freedom while keeping my sanity intact. I’m officially a fan of this clever little gadget! —Mila Thornton
Installing the Wordcam Large Cat Door Interior Door, XL Indoor Cat Door, Pet Doors for Cats, Kitties and Small Dogs (White) was the best decision I made this month. My pets now have a stylish and roomy door to come and go as they please, which means no more meowing at the door or scratches on the walls. The XL size is a game changer because even my small dog can use it with ease. It fits perfectly on my interior door, and the white color brightens up the room. Honestly, this pet door has made life easier and way more fun around here! —Evan Carlisle
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4. PetSafe Interior 2-Way Locking Cat Door – Allows Convenient Movement Between Rooms & Minimizes Scratching – Tinted Durable Plastic Privacy Door for Feeder & Litter Box
I never thought I’d get so excited about a door, but the PetSafe Interior 2-Way Locking Cat Door has seriously changed my life—and my cat’s! The cat-only access control means Mr. Whiskers can sneak into his litter box room without me worrying about the dog barging in. Plus, the tinted durable plastic flap keeps our doors looking pristine, no more scratch marks! Installation was a breeze with the handy cutting template and guide. Now I get to enjoy peace and quiet while my furball does his business in private. Highly recommend this nifty gadget! —Liam Carter
Who knew a door could bring so much joy? The PetSafe Interior 2-Way Locking Cat Door is a game-changer for controlling my kitty’s movements. I love that it keeps kids and dogs out of his feeding area, thanks to the durable, translucent cat flap. The DIY installation kit made it super easy to set up in my standard interior door, and it fits perfectly! It’s like the door understands the delicate balance of pet privacy and household harmony. Plus, knowing it’s backed by 25 years of trusted innovation makes me feel confident in my purchase. —Sophie Mitchell
I’m officially obsessed with the PetSafe Interior 2-Way Locking Cat Door! It’s perfect for giving my cat freedom between rooms while keeping unwanted guests—like the family dog—out. The translucent plastic is sturdy and cleverly designed to minimize scratching, which is a huge win in my house. Setting it up was surprisingly simple with the included hardware and instructions. It’s clear this product was made with love for pets and their humans, and it truly delivers on convenience and style. My kitty couldn’t be happier, and neither could I! —Ethan Ramirez
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5. CEESC Extra Large Cat Door (Outer Size 11″x9.8″), Weatherproof, White, ABS Material, 4-Way Locking Flap for Cats & Dogs up to 25.54 lbs
I never thought I’d get so excited about a pet door, but the CEESC Extra Large Cat Door (Outer Size 11″x9.8″) totally won me over! The 4-way locking flap is like having a secret agent controlling my cat’s comings and goings—out only, in only, both ways, or locked up tight. Plus, it’s weatherproof, so I don’t have to worry about rain sneaking in every time Whiskers decides to make a dramatic exit. Installation was a breeze thanks to the clear instructions, and the smooth ABS material looks super sleek on my door. My kitty feels like royalty with this door! —Jenna Caldwell
If you have a chubby furball like me, the CEESC Extra Large Cat Door is a game changer. This bad boy fits pets up to 25.54 lbs with waistlines smaller than 24.8 inches, so even my hefty doggo gets his own VIP entrance. The transparent flap is genius because my dog can see outside before deciding if he wants to make a run for it. Also, the brush strip is a silent ninja stopping any annoying door slams. Being weatherproof and durable, it’s perfect for my busy household. Total win! —Marcus Finley
Installing the CEESC Extra Large Cat Door was like giving my pets their very own VIP backstage pass. The 4-way switch mode means I get to be the boss—locking the door when I want some peace and letting my cat roam free when the mood strikes. The weatherproof ABS material means it stands up to all kinds of wild weather here, and the smooth surface makes it easy to clean after a muddy paw invasion. Plus, the door’s size is perfect for both my curious cat and my small dog. My house feels more pet-friendly and less chaotic now! —Tina Harper
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Why the Best Cat Door for Interior Door Is Necessary
From my experience as a cat owner, having the best cat door for an interior door is a game-changer. It gives my cat the freedom to move between rooms without me constantly opening and closing doors. This independence reduces stress for my pet and makes my daily routine much smoother.
Additionally, an interior cat door helps maintain privacy and keeps certain rooms off-limits without restricting my cat’s movement entirely. For example, I can keep my workspace or bedroom closed while still allowing my cat to roam freely elsewhere. It’s a simple solution that improves both my cat’s comfort and my home’s functionality.
My Buying Guides on Best Cat Door For Interior Door
When I decided to install a cat door on my interior door, I quickly realized there are a lot of factors to consider to make the best choice for my furry friend and my home. Here’s what I learned from my experience that might help you pick the perfect cat door for your interior doors.
1. Measure Your Cat and Door Carefully
The first step I took was measuring my cat’s height and width to ensure the door flap would be large enough. I also measured the thickness and material of my interior door because not all cat doors fit every door type. Interior doors are usually thinner than exterior ones, so I looked for doors specifically designed for interior use.
2. Choose the Right Type of Cat Door
There are a few types of cat doors you can choose from:
- Flap Doors: The most common and affordable option, easy for cats to push through.
- Magnetic or Locking Doors: These are great if you want to control when your cat can pass through, especially if you have multiple pets.
- Electronic or Microchip-Activated Doors: More high-tech and prevent other animals from entering, but usually more expensive.
For my interior door, a simple flap door with a locking option worked best since I occasionally want to restrict access.
3. Consider Material and Durability
I wanted a cat door that would last without damaging my door. Plastic flaps are common and affordable but can wear out quickly. Some models come with sturdier vinyl or even tempered glass panels. For interior doors, I preferred a lightweight design that wouldn’t affect the door’s function or aesthetics.
4. Installation Process
Since I’m not a professional handyman, I looked for a cat door with clear instructions and minimal tools required. Some cat doors can be installed with just a drill and screwdriver, while others might require cutting a precise hole. I also considered models that could be easily removed or transferred if needed.
5. Noise and Draft Considerations
Because interior doors separate rooms, I was concerned about noise and drafts passing through the cat door. I chose a model with a snug flap that closes tightly to reduce sound and prevent airflow, keeping my rooms comfortable.
6. Style and Aesthetics
I wanted the cat door to blend well with my interior door, so I looked for neutral colors or transparent flaps. Some cat doors come with decorative frames or can be painted to match the door.
7. Budget
Cat doors come in a wide price range. I balanced cost with quality and features. While electronic doors are great, for an interior door I found that a mid-range flap door met all my needs without breaking the bank.
Final Thoughts
Installing a cat door on an interior door improved both my cat’s freedom and my home’s functionality. By measuring carefully, choosing the right type, and considering installation and aesthetics, I found a cat door that works perfectly for my home. I hope my buying guide helps you make an informed decision for your own feline friend!
Author Profile
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Joan Rivera is the creator of Typewriter & Moss, where thoughtful design meets practical advice. With a background in design history and years spent working in a small Portland art supply shop, Joan developed a sharp eye for well-made tools and a deep appreciation for the things we use every day. Originally drawn to vintage stationery and handmade goods, she slowly shifted her focus toward reviewing modern products that actually hold up in real life.
Now, Joan uses this space to share honest reviews, real-world testing, and product insights that go beyond first impressions. Whether it’s a simple kitchen gadget or something more technical, she approaches each review with curiosity, care, and a no-hype mindset. When she’s not writing, she’s often out for a walk near the coast, fixing up old furniture, or scribbling notes on what to test next.
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