Covered vs. Open Litter Boxes: How to Choose for Your Cat

You scoop regularly, but litter still ends up on the bathroom floor. A covered box looks like a tidy solution. Before replacing a box your cat already uses, it helps to separate the mess you want to contain from the conditions your cat needs inside.

Both covered and open litter boxes can work. Choose one with enough usable space, an accessible entrance, and a location your cat can approach and leave comfortably. If you do not know their preference, offer a suitable alternative while keeping the familiar box available. A lid should not be the reason you compromise on fit or cleaning.

Do cats prefer covered or uncovered litter boxes?

There is no reliable rule that every cat prefers the same style. In a study published in the Journal of Feline Medicine and Surgery, 28 cats were enrolled and 27 were included in the analysis. Nineteen showed no significant preference, four preferred covered boxes, and four preferred uncovered boxes.

The researchers used large boxes and scooped daily. Those conditions matter: the results do not establish that a small hooded tray, a box with a flap, and every automatic design are equally acceptable. They also do not tell you what your particular cat will choose.

General care guidance can still help you choose a starting option. Cornell's house-soiling guide recommends uncovered boxes for visibility and odor escape. The preference study adds a reason to observe the individual cat, particularly when a spacious, clean covered box already works for them.

Compare the details that affect daily use

An open box can still have an awkwardly high entrance. A covered box can be spacious or cramped. The label alone does not answer either question.

Measure the interior and entrance

Compare the usable floor space, headroom, and entrance with your cat's body and movement. External dimensions can be misleading when a hood slopes inward or a mechanism occupies part of the housing.

Cornell recommends low sides for kittens, older cats, and cats with mobility problems. Cats Protection's toileting guidance also advises removing a covered tray's flap if it discourages entry.

For a fuller measuring guide, see how to tell whether your cat's litter box is too small. If a listing only gives outer dimensions or a capacity in liters, ask for usable interior and entrance measurements before ordering.

Check what happens around the box

Watch the approach as well as the time spent inside. Does your cat walk straight in, wait until the room is empty, or retreat when another pet appears?

A lid cannot fix a blocked route. Avoid placing the box where another animal can guard the only way in or out. For help choosing a quiet, accessible spot, use our litter box placement guide.

Will a cover reduce smell or scattered litter?

A cover may intercept some litter kicked toward the sides, but particles carried on paws can still leave through the entrance. Look at where the mess appears: a spray beside the box suggests a different problem from a trail across the room.

Do not use a hood to postpone cleaning. Cats Protection notes that hooded trays can trap odors. Open the box to inspect it rather than judging cleanliness by what you can smell from across the room. The lid, seams, and entrance also need attention when you clean.

If your cat already likes the box and tracking is your main concern, try managing the exit area before changing the whole setup. Our guide to reducing litter tracking covers that problem separately.

The CuddleCat Double-Layer Cat Litter Trapping Mat is an optional aid for loose particles near the entrance. Its layered design collects litter between the surfaces for emptying. Place it flat where your cat naturally steps, without making the entrance harder to reach. Empty it regularly and dry both layers after cleaning. It cannot eliminate all tracking, and a mat your cat avoids is a poor fit for that route.

Try a new style without taking away the familiar box

Offer the new option as an additional box, not as the only toilet your cat can use. Cats Protection recommends trying different tray types when you are unsure of a cat's preference.

To make your observations useful:

1. Keep the familiar box available and clean. Do not create a choice by letting one box become dirty.
2. Keep the litter type and depth similar. Changing the litter and the box together makes the response harder to interpret.
3. Choose accessible locations. A quiet room and a noisy laundry corner are not a fair comparison of lids.
4. Note which box is used, whether it is used for urine or stool, and any hesitation at the entrance.
5. Let your cat approach voluntarily. Do not place them inside or block their exit to make them try it.

This is an informal home comparison, not a controlled preference study. A cat may favor a location, a size, or a familiar smell rather than the presence of a cover. If the new box is ignored, review those differences before deciding the lid is the cause.

If the hood is designed to come off, you can offer the new tray without it first. Do not improvise changes to powered equipment. Keep a working toilet option available throughout the transition.

Assess automatic cleaning as a separate purchase decision

“Open” describes the enclosure; “automatic” describes the cleaning mechanism. You can choose an ordinary open tray without choosing a powered device.

If you are also considering automation, the CuddleCat 10.5L Open-Top Automatic Self-Cleaning Cat Litter Box is one option to investigate. Its listing describes an open top, app controls, and a stated cat-weight range of 3.3 to 27.5 pounds. The 10.5L figure refers to the waste bin, not the usable toileting area.

Ask for the entrance, interior, and overall dimensions before deciding whether it fits your cat and home. Weight eligibility alone does not establish a comfortable fit. Follow the model's current setup and maintenance instructions, keep the previous box available during introduction, and check the unit regularly.

Our automatic litter box safety guide covers questions to ask about mechanisms and use. An open top is not, by itself, evidence that a powered design is safe. A simple manual box remains a reasonable choice if it meets your cat's needs.

Do not treat urinary difficulty as a box preference

A sudden change in toileting needs veterinary attention. Repeated attempts to urinate, pain, or little to no urine require urgent assessment; contact an emergency veterinarian immediately if your cat may be unable to urinate. Cornell identifies urethral obstruction as an emergency.

Do not spend time testing lids or waiting for a new purchase to arrive when these signs appear.

Quick answers

Should I replace a covered box my cat already uses comfortably?

You do not need to replace it solely because it has a lid. Check fit, access, cleaning, and your cat's behavior. If something needs improving, offer an alternative while preserving the setup they can already use.

Is a high-sided open box a compromise for a cat who kicks litter?

It can be worth comparing, provided the entry is accessible and the interior is large enough. Check each side and the entrance separately. High walls do not guarantee that tracked litter will stay inside.

What if my cat urinates in one box and poops in the other?

Record that pattern rather than declaring an overall winner. Some cats use different boxes for different needs. Keep the usable options available; if the pattern is new or accompanied by discomfort, speak with your vet.

This article is for educational purposes only. It has not been reviewed by a licensed veterinarian and is not a substitute for professional veterinary advice, diagnosis, or treatment.

Sources and further reading

• Grigg, Pick, and Nibblett: Litter Box Preference in Domestic Cats: Covered Versus Uncovered
• Cats Protection: Cats and Toileting
• Cornell Feline Health Center: Feline Behavior Problems: House Soiling
• Cornell Feline Health Center: Feline Lower Urinary Tract Disease

Preserve what already works

Check the current box's fit and the kind of mess you are trying to manage before shopping. If you try another style, keep the familiar box available and observe actual use. Choose the setup your cat can use comfortably and you can keep clean.