How to Choose the Right Catio Size for Your Cat (and Your Garden)
Choosing a catio size can feel surprisingly complicated. Go too small and your cat won't use it. Go too large and it may overwhelm your garden - or your budget. The good news is that there's a simple framework that makes the decision straightforward.
This guide covers the key factors to consider: the number of cats, their activity levels, your available space, and what to do if you think you might want to expand later.
Why Size Matters More Than You Might Think
Cats are territorial animals with an instinct to patrol and explore. A catio that feels cramped will quickly lose its appeal - your cat will sit by the door wanting out rather than using the space as intended.
A well-sized catio, on the other hand, becomes a genuine extension of your cat's world. They'll spend time in it voluntarily, explore different levels and corners, and return to it again and again. Getting the size right from the start makes all the difference.
Minimum Recommended Space Per Cat
As a general guide, a single cat benefits from a catio floor area of at least 2 to 3 square metres. This is a working minimum - more is always better, and cats who spend significant time in the catio will benefit from additional space and vertical height.
Vertical space matters as much as floor area. Cats naturally climb and observe from height. A catio with shelves or platforms at different levels gives your cat far more usable space than the floor area alone suggests - and keeps them significantly more engaged.
How Many Cats Do You Have?
The number of cats is the most important sizing factor. Each additional cat requires meaningful extra space - not just a little more room, but enough that each cat can retreat to their own corner without triggering conflict.
As a practical guide:
• 1 cat: minimum 2 to 3 square metres
• 2 cats: minimum 4 to 5 square metres, ideally with separate levels
• 3 or more cats: consider a larger walk-in structure with multiple shelving levels
What About Garden Size?
Your garden size sets the upper boundary on how large a catio can practically be. But most gardens - even small terraced back gardens - can accommodate a catio that's perfectly adequate for one or two cats.
A typical small garden catio measuring around 1.8m x 1.2m provides a workable space for a single cat and can usually be accommodated in gardens where space is limited. If you have a balcony rather than a garden, there are compact options designed specifically for that purpose - check the height and weight-bearing limits of your balcony before purchasing.
Planning for Future Expansion
If you think you might want a larger space later - either because you plan to get another cat, or because you simply want to give your cat more room - it's worth thinking about this before you buy.
Modular catio systems designed with expansion in mind allow you to add extra panels or sections without replacing the whole structure. If future expansion is a possibility, look for a system that supports it and factor in whether your garden can accommodate a larger footprint if needed.
It's always worth letting us know when ordering if expansion is something you're considering - we can advise on the best starting configuration for your plans.
The Most Common Sizing Mistake
The most frequent regret from catio owners is buying too small. A catio that seems generous for one cat quickly feels cramped if you later adopt a second. And a structure that's only just big enough from day one leaves no room for the extras - shelves, plants, a litter tray, a scratch post - that make the space genuinely enriching.
When in doubt, size up. The difference in price between one size category and the next is usually modest. The difference in how much your cat uses the space is significant.