Australian ‘Last Cat Policy’: What It Means for Cat Owners

In March 2026, Kangaroo Island Council flagged a pretty big idea — stopping new pet cats from being introduced as part of their push to eliminate feral cats by 2030. Existing cats aren’t going anywhere (no one’s taking your cat off you), but over time, the population would naturally phase out. The reason is simple: cats, especially when they roam, can have a real impact on local wildlife, and Kangaroo Island is home to some pretty vulnerable species. It’s the kind of decision that feels extreme at first, but when you look at the conservation side of it, you can see why it’s being seriously considered. And for the rest of us, it’s a bit of a heads-up — expectations around cat ownership in Australia are shifting, and it’s worth paying attention now rather than later.

What happened

Earlier this year, Kangaroo Island’s local government publicly discussed introducing a “last cat policy” — essentially a ban on bringing any new pet cats onto the island. The proposal is tied to a multi-year program aiming to fully eliminate feral cats by 2030. Council members are clearly supportive of the idea, which would allow existing pet cats to remain with their owners while preventing any newcomers. In simple terms, if your cat “Mittens” eventually passes away, you wouldn’t be able to replace them. The policy is also being developed alongside the South Australian government’s broader eradication efforts.

The need for something this strict comes down to the scale of the problem. Thousands of feral cats have already been culled or trapped across parts of the island, particularly on the Dudley Peninsula, after years of focused work. These cats are estimated to kill large numbers of native animals — more than 50 species are affected — and they can also pose risks to livestock through disease. The real concern now is protecting that progress. Even a small number of pet cats escaping or breeding unchecked could undo years of effort. The Invasive Species Council has warned that just one or two unregistered, unneutered cats getting loose could set the entire program back.

Even one or two unregistered, unneutered cats getting loose could set the entire eradication program back. — Invasive Species Council warning, on the risk to feral cat eradication

There’s also been serious money behind the push. The federal government contributed about $1.61 million to the Dudley Peninsula program in late 2025, but experts say another $3.1 million is still needed to fully complete the job. The “last cat policy” is designed to support that investment — not by targeting current pet owners, but by making sure feral cats aren’t slowly reintroduced through domestic populations over time.

Why it matters for Australian pet owners

You might think Kangaroo Island is a world away, but this is really part of a much bigger national shift. From Melbourne to Perth, local laws around cat ownership are tightening, and it’s happening faster than most people realise. Western Australia, for example, is moving toward giving councils the power to require pet cats to be kept on their owner’s property. New South Wales has also been actively encouraging owners to keep cats indoors, pointing to both environmental and safety benefits. The direction is pretty clear — more councils are leaning toward curfews, containment rules, or limiting how and when cats can roam. In practical terms, that could mean outdoor time is restricted to secure backyards, catios, or supervised walks on a harness.

There are some very real takeaways for owners here. Free-roaming cats face a lot more risks than people expect — accidents, fights, and getting lost are all common, and many owners have experienced it firsthand. On the flip side, keeping cats contained tends to improve their health and lifespan. Indoor or contained cats are far less likely to be injured and often end up with fewer vet visits over time, which makes a noticeable difference in ongoing costs. And then there’s the wildlife side of things. Cats are natural hunters, and even well-fed pets can have a significant impact on local animals. That’s why councils, vets, and animal welfare groups are all starting to push in the same direction — not to make life harder for owners, but to strike a better balance between pet care and the environment.

The bigger trend behind the story

Kangaroo Island’s proposal fits into a pretty clear national shift — moving away from fully free-roaming pet cats. Across Australia, both the evidence and the policy direction are lining up around containment. Some places are already there, with areas like the ACT and parts of Victoria introducing full-time cat curfews. In New South Wales, the government has expanded its “Keeping Cats Home and Wildlife Safe” program, working with the RSPCA to support more councils with containment rules and desexing initiatives. It’s not just theory anymore — it’s actively being rolled out.

The reasoning behind it is fairly consistent. Research and cross-agency reviews have shown that indoor or contained cats tend to live significantly longer than those that roam freely, largely because they avoid accidents, fights, and disease exposure. Desexing also plays a big role, reducing unwanted litters and limiting the impact on wildlife populations. There’s a public health angle too — fewer roaming cats means fewer injuries, fewer vet emergencies, and fewer disease risks in the community. Put together, it’s easy to see why councils are starting to take a more structured approach. Kangaroo Island isn’t acting in isolation here — it’s following a direction that’s already building across the country.

What pet owners should do

1. Desex and register your cat

   It’s one of the simplest things you can do, and it makes a big difference if your cat ever slips out. No surprise litters, less roaming behaviour, and it’s already required in a lot of areas. Vets often point to desexing as the single most important step in keeping cat populations under control.

2. Provide a safe outdoor space

   If your cat loves being outside, it doesn’t have to be all or nothing. A secure cat enclosure (catio) or even short, supervised outings on a harness can give them fresh air without the risks. It’s a much safer middle ground — and far more realistic if curfews tighten.

3. Enrich indoor life

   Indoor doesn’t mean boring — it just means you have to be a bit more intentional. Think climbing towers, window perches, puzzle feeders, and regular play. Luna, for example, is perfectly happy staying in… as long as she’s got something interesting going on.

4. Follow local rules

   This one’s easy to overlook, but it matters. Council requirements around microchipping, desexing, and containment are changing, and not always loudly. Checking in every now and then means you won’t get caught off guard if the rules shift where you live.

What experts are saying

There is broad support among vets and welfare groups for keeping cats safely contained. The RSPCA’s position is very clear — it strongly supports keeping cats at home to protect both wildlife and the cats themselves. The Australian Veterinary Association also advises that pet cats be kept at home, noting it’s significantly safer for them.

In Western Australia, the Local Government Minister has pointed to data showing contained cats tend to live longer and cost owners far less in vet bills — with indoor cat owners spending up to four times less than those with free-roaming cats. Conservation experts also stress how high the stakes are for wildlife. The Invasive Species Council has warned that even one or two unneutered cats getting loose could undo years of eradication work.

On the other side, some cat advocacy groups suggest alternatives like mandatory desexing or stricter curfews instead of a full ban. But even then, the direction is similar — keeping cats safe and contained. Overall, the message from experts is consistent: responsible ownership — including desexing, microchipping, and containment — is essential for cats to live well in modern Australia.

Final thoughts

Aussie pet owners have seen plenty of new rules roll out in recent years, and the “last cat policy” is just another sign of where things are heading. At its core, it reflects a shift in how we balance pet ownership with protecting wildlife. A safe, happy cat — whether it’s Luna the tabby or any other little furball — doesn’t actually need to roam to have a good life. In fact, cats that stay at home tend to live longer and avoid a lot of the risks that come with being outdoors, while local birds and wildlife are a lot safer too.

For now, Kangaroo Island’s plan is still just that — a proposal. But the bigger takeaway is already pretty clear: keeping cats contained is becoming the smart, future-proof way to own them in Australia. It means fewer run-ins with cars or predators, fewer late-night worries, and a much lower impact on the environment. And honestly, a relaxed, purring cat on the couch beats the stress of wondering where they are any night of the week. What happens next on KI will be watched closely — because it could shape what comes next for cat owners across the country.