If you have spent any time on pet forums or social media lately, chances are you have seen them: beautifully constructed outdoor enclosures where cats lounge in the fresh air, watching birds from behind the safety of mesh walls. Catios, as they are lovingly called, have gone from a niche DIY project to one of the biggest trends in cat care for 2026. And honestly, it is easy to see why.
The idea is simple. Give your indoor cat the sensory richness of the outdoors without the risks that come with free roaming. But beyond the practicality, there is something deeper happening here. Cat owners are finding creative, thoughtful ways to honor their companions’ natural curiosity while keeping them safe. That feels very much like what companionship is all about.
I first started thinking about a catio after watching one of our cats spend an entire afternoon pressed against the window screen, nose twitching, ears swiveling at every sound. There was so much life happening on the other side of that glass, and it felt like a small kindness to find a way to bring some of it closer. The journey from “maybe we should try this” to actually building one was filled with research, a few mistakes, and a lot of measuring tape.
Why Catios Are Trending Right Now
The numbers tell part of the story. The catio industry was worth $325 million in 2024 and is expected to double by 2033. But what is driving the growth is not just spending. It is a genuine shift in how cat owners think about enrichment. More and more people are recognizing that indoor cats benefit enormously from access to fresh air, natural sounds, and the stimulation of watching the world go by.
On Reddit and TikTok, build diaries and before-and-after videos are inspiring cat owners who never thought of themselves as handy. One TikTok video of a simple DIY catio crossed 2.9 million views earlier this year, turning a backyard project into a global conversation. The beauty of it is that catios do not need to be elaborate. (For a closer look at different catio styles and how to make them feel like home, our guide to creating a safe outdoor space for your indoor cat goes deeper into the details.) Even a small window box enclosure can transform a cat’s daily experience.
Getting Started Without Getting Overwhelmed
The first decision is whether to build from scratch or use a kit. Both are perfectly valid paths. If you are comfortable with basic tools and enjoy a project, DIY plans are widely available and allow you to customize the size and shape to fit your space. For those who would rather skip the measuring and cutting, pre-made kits like the Eiiel DIY Catio Outdoor Cat Enclosure offer a modular system with platforms, doors, and weatherproof panels that snap together without specialized tools.
Location matters more than size. A spot near a window or door that your cat already gravitates toward is ideal. South-facing spots get the most sun, which many cats adore, but a shaded area works beautifully for warmer climates. The key is placing it somewhere your cat can access easily and retreat from just as easily when they have had enough.
What Makes a Catio Feel Like Home
The enclosure itself is just the starting point. What turns a catio from a cage into a sanctuary are the details inside. Shelves and platforms at varying heights give cats the vertical space they naturally crave. A cozy spot for napping, whether it is a weatherproof bed or a simple fleece blanket, invites longer stays. Some cat owners add cat-safe plants like wheatgrass or catnip to bring in natural scents.
With that in mind, the PAWING Cat Enclosure is another option worth exploring for anyone wanting a larger, expandable setup. It uses a detachable panel design that lets you start small and add sections over time as your cats settle in and you learn what they enjoy most.
Safety First, Always
The whole point of a catio is peace of mind, so the structure needs to be secure. Wire mesh or hardware cloth with openings no larger than one inch keeps cats in and predators out. All connections should be reinforced, especially if you live in an area with strong winds or curious wildlife. It is also worth checking that any wood treatments or paints used are pet-safe and non-toxic.
One thing that surprised us during our own build was how important the transition space is. A secure tunnel or flap connecting the catio to the house means cats can come and go on their own terms. That sense of choice, of being able to retreat inside whenever they want, is what makes most cats genuinely comfortable in their new outdoor space.
The Quiet Joy of Watching Them Discover It
Perhaps the most rewarding part of the whole process is the moment your cat steps into the catio for the first time. Some cats bolt right out, nose first, investigating every corner. Watching their body language during this moment is a beautiful thing, and if you would like to understand more of what those signals mean, our post on learning to read what your cat is really saying is a lovely companion piece. Others take it slowly, one cautious paw at a time, sniffing the air with wide eyes. Both responses are perfect. Both are exactly how they should be.
There is no rush, and that is the beauty of it. A catio is not a one-time event. It is an ongoing gift of sensory richness, a place where your companion can feel the breeze and watch the birds and simply exist in the warmth of the sun. In the end, that is what companionship looks like: finding gentle, thoughtful ways to make the world a little bigger for the ones who share our homes.
Frequently Asked Questions
How much does it cost to build a catio?
It varies widely depending on the size and materials. A simple window box catio can cost as little as $100 to $200 using a pre-made kit, while a larger walk-in enclosure might range from $500 to several thousand dollars. Many cat owners start small and expand over time as they learn what their cats enjoy most.
Will my cat actually use a catio?
Most cats take to catios once they have had time to adjust, though some need a few days or even weeks to feel comfortable. Placing familiar items like a favorite blanket or toy inside can help. If your cat already loves sitting by windows, they are very likely to enjoy having the real thing.
Do I need a permit to build a catio?
It depends on where you live and how large the structure is. Smaller window-mounted catios typically do not require permits, but larger permanent structures may need approval from your local building authority or homeowners association. It is always worth checking before you start building.
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