Advice · 4 min read · Updated 6 November 2026

Catio design for senior, disabled and multi-cat households

Why standard catio layouts do not suit every cat

Many catio designs assume a young, athletic cat that leaps between narrow shelves. Older cats are different. Arthritis in cats is very common and often missed, with studies suggesting a large majority of cats over 12 show signs of joint disease on X-rays. Cats hide pain, so a reluctance to jump up is often the main clue.

A catio full of high shelves that a young cat loved can become a place an older cat no longer visits. Cats that stop going outside or only use the floor are often telling you the layout no longer suits them, rather than that they have lost interest.

Cats with poor sight, hearing loss, missing limbs or neurological conditions can also enjoy outdoor time, but they need a predictable, safe layout.

Layout for senior and arthritic cats

• Steps or shelves no more than 30 to 40 cm apart vertically
• Ramps with cross battens or carpet for grip
• Wide, deep shelves at least 30 cm deep with a raised lip
• Soft, washable bedding on the main resting shelf
• A low entry, ideally level with the cat flap
• A sunny spot and a shaded spot at floor or low shelf height
• Short distance from the house so the cat can get back in easily

Ask your vet about pain relief if your cat is struggling with jumps. Many owners find their cat uses the catio much more once arthritis is treated.

Cats with sight, hearing or mobility problems

Designing for more than one cat

In multi-cat homes, tension is often about resources. One cat may block a cat flap, guard the best shelf or sit in the doorway. A simple rule used by cat behaviourists is to provide one of each key resource per cat, plus one, spread out rather than clustered.

• At least two routes in and out of the catio where possible
• More shelves and resting spots than cats
• Separate water bowls in different places
• Hiding spots where a cat can get out of sight
• Avoid dead ends where one cat can be cornered

If your cats do not get on, watch how they use the catio together for the first few weeks. Some households find timed access works better than shared access.

Materials and finishes

Shelves with a slightly rough or ridged surface give grip in damp weather. Carpet offcuts or outdoor rugs can be stapled to ramps, but they hold water, so artificial grass mats or ribbed rubber are often longer-lasting outdoors. Round off corners and edges, and avoid any gaps that a weak back leg could slip through.

Keep the litter tray, if there is one outside, low-sided for older cats, and put it close to the entrance.

Reviewing the layout as your cat ages

A catio built for a young cat can be adapted later. Shelves can be lowered, extra steps added and ramps fitted without rebuilding the enclosure. Every year or so, watch how your cat uses the space and adjust it, especially after any change in health.

Introducing a new cat to a shared catio

When a new cat joins the household, do not open the catio to everyone at once. Let the resident cat keep using it while the newcomer settles indoors, then give the new cat short solo sessions so it learns the layout and its scent mixes with the others. Swap bedding between cats so the space smells shared.

• Start with separate, supervised sessions
• Feed treats near the entrance to build a positive link
• Introduce shared time once the cats are relaxed together indoors
• Make sure there is always an escape route back to the house
• Separate them again if you see hissing, blocking or chasing

Watch for quieter signs of tension too, such as one cat staring at another from the doorway, or a cat that stops using the catio entirely. These often mean the layout needs another route, another shelf or a hiding spot, not that the cats cannot share at all.

Frequently asked questions

senior cats arthritis multi-cat accessibility