Self-cleaning litter box for outdoor cats going indoor

A cat who's spent two years toileting outdoors is actually in a slightly tricky spot — they've never had to think about a box before, so the last thing you want is something unfamiliar, mechanical, or intimidating while they're still figuring it all out. Self-cleaning litter boxes genuinely do reduce daily scooping and keep things fresher, which can nudge a hesitant cat to use the box more consistently. But the noise and movement of automatic rakes can put off a cat who's already uncertain, and they lock you into specific litter types, often clumping only. They're also a real investment — typically £80–£250. So before I point you anywhere: is this mainly about making your life easier once she's settled, or are you already seeing her avoiding the box or going elsewhere in the house?

That's really helpful — and honest of you to frame it that way. At 60% she's not avoiding the box, she's just not fully convinced yet. A couple of quick questions: are you using a covered or open box right now, and what litter have you got in it? Also, is she going in the corners on soft surfaces like rugs or carpet, or hard floor?

That tells me a lot. Wood pellet litter feels nothing like soil or grass underfoot — for a cat who's spent two years digging outside, it's quite alien. Soft surfaces like bath mats and carpet feel much closer to what she knows. The fix here isn't an automatic box, it's switching to a sandy, fine-clumping litter that mimics natural ground texture. I'd hold off on any self-cleaning unit until she's consistently using the box, because most of them require clumping litter anyway, so you'd need to switch regardless. Get the litter right first, and you'll likely solve the avoidance problem at the same time.

For your situation I'd go with Catsan Natural Clumping Cat Litter — it's a fine, sandy texture that's much closer to outdoor soil than pellets, it clumps well so odour control is good, and it's widely available and affordable. Start by filling the tray a bit deeper than you might think necessary — about 7–8cm — because outdoor cats like to dig properly. Put the tray in a quiet, low-traffic spot if you can, and for a week or two you can put a small amount of the soiled wood pellet litter on top of the new litter so she recognises the scent as her toilet. Most cats in her situation come fully reliable within two to three weeks once the litter texture clicks. Once she's consistently using the box, then it's absolutely worth revisiting an automatic unit if convenience matters to you.

Good plan — it's the right order to do it in. Don't spend £150 on an automatic box while she's still uncertain; sort the litter first and you'll likely find the problem solves itself. If in a few weeks she's reliably using it and you want to come back and look at self-cleaning options, Catsan also works in most clumping-compatible automatic boxes so you won't need to switch again. Good luck with her — the transition from outdoor to indoor can take a bit of patience but she'll get there.