The Types of Cat Enclosures, Explained

Cat enclosures come in four types defined by their mounting method and physical footprint. A buyer needs to decide between a fixed structure like a wall-mounted unit or a mobile, freestanding unit based on available floor space. You should measure your intended area to determine if a unit with a length under 30 inches or a larger floor footprint fits your layout.

Cat Enclosure Types Among the Listings We Screened

Counted over the 118 listings this site screened; a listing that does not state the figure a type is defined by is not counted under any type.

If you need a larger footprint, view our roundup of large outdoor catios with ramps.

Where these choices show up in our reviews

Prices across these 3 run from $100.09 to $339.99; each one has a full review here.

Compact Indoor Enclosures For Small Apartments Or Rooms

A compact indoor enclosure is a cat enclosure designed for small apartments or rooms where floor space is at a premium. These units are defined by a length of up to 30 inches, allowing them to sit in corners or against narrow walls without obstructing walkways. You should choose this type if you have a small footprint but want to provide a dedicated vertical climbing area for a cat.

Beginners should start by learning how a cat enclosure works to understand the basic mechanics.

Compact cat enclosures offer high vertical density at lower prices

Because these units have a smaller footprint, they often feature a higher density of platforms relative to their base size. They provide a vertical playground that keeps a cat off furniture while maintaining a small horizontal profile. However, they offer less total surface area for multiple cats to occupy simultaneously. These units typically sit at the lower end of the price spectrum compared to larger models.

To understand technical specifications, see our plain English guide to cat enclosure terms.

Large Indoor Enclosures With A Substantial Footprint

A large indoor enclosure is a cat enclosure with a length of 30 inches or more, providing a substantial footprint for multi-level activity. This type is for owners who have a dedicated room or a large living area and want to provide a large-scale environment for their pet. It provides more total surface area and wider platforms than compact models.

Larger indoor cat enclosures provide more space for multiple cats

The larger base allows for more complex configurations, such as wider walkways between levels and larger landing pads. If you have more than one cat, a larger indoor enclosure provides more individual space to prevent territorial friction. The trade-off is a significant increase in the amount of floor space the unit occupies, which may limit the layout of your furniture. These models generally represent the mid-to-high range of indoor options.

Proper vertical space is vital, so learn how to choose your enclosure height.

Wall-Mounted Outdoor Window Catios For Exterior Access

An outdoor window catio is a wall-mounted cat enclosure that attaches directly to a window frame or exterior wall. This type is for owners who want to provide outdoor access without leaving the house or dedicating floor space to an outdoor structure. It provides a secure way for a cat to experience fresh air and bird watching from a fixed, elevated position.

Wall-mounted window catios save floor space in urban environments

Because these units are mounted, they do not take up any floor space at all. They are ideal for urban environments where a backyard is not an option. However, they are limited by the size of the window opening and the weight capacity of the wall or frame. These units usually sit in a higher price bracket relative to indoor models due to the specialized mounting hardware required for safety.

Determining the correct footprint is easy with our guide on selecting the right enclosure width.

Freestanding Outdoor Enclosures For Gardens Or Decks

A freestanding outdoor enclosure is a cat enclosure designed to sit on a patio, deck, or in a backyard without being attached to a building. This type is for owners who want to provide a permanent outdoor “room” for their cat in a garden or yard. It provides the most freedom of placement in an outdoor setting.

You can determine your needs by looking at our guide to necessary platform counts.

Freestanding outdoor enclosures provide large self-contained territories

These units allow for a large, self-contained environment where a cat can move freely in a dedicated zone. They are better for providing a sense of “territory” in a large yard compared to a window unit. The compromise is that they require a significant amount of level ground or a large deck area to sit on. These are often the most expensive options because of the structural requirements for outdoor durability.

Cat Enclosure Type Comparison

How to Choose the Right Cat Enclosure Type?

Choosing the right cat enclosure type depends on your available square footage and your primary goal for the cat’s environment. If you only have a window view, a wall-mounted unit is the only way to provide outdoor access without a yard.

If a traditional cage isn’t right, explore the alternatives to a cat enclosure for similar results.

If you have a backyard but no way to secure a cat in the open, a freestanding outdoor enclosure provides a controlled environment. If you want to provide a “safe” outdoor experience without leaving the house, the window catio is the most appropriate match.

How Mass-Market Products Compare To Professional Cedar Standards

When evaluating these options, it is useful to consider the standards set by custom-built cedar catios. Professional-grade builds use rot-resistant hardwoods and heavy-duty hardware that mass-market products lack. Compared to those custom builds, the mass-market products on this page often use standard lumber or metal and may not offer the same level of wood longevity in wet environments.

For a deep dive into the specs, see our full PawHut Cat Enclosure review.

Commercial grade mesh requirements for predator protection

Another standard is commercial grade mesh, which experts look for in specific weave densities and coatings that prevent predators from tearing through the screen. The mesh on most mass-market outdoor enclosures may not match these specific weave densities. If you are in an area with high predator activity, you may need to verify the specific weave and coating of any outdoor mesh before purchase.

This specific style is detailed in our review of the Wooden Cat Enclosure.

Avoiding Mistakes in Cat Enclosure Selection

A common mistake in selecting a cat enclosure is choosing a unit that is too small for the cat’s movement range, which leads to the cat avoiding the enclosure entirely. If the cat cannot comfortably turn around or jump between levels, the investment is wasted. Ensure the interior dimensions allow for full extension of the cat’s body.

Verifying mesh material and fasteners to prevent predator breaches

Another risk is choosing an outdoor enclosure with mesh that does not meet your local predator requirements. If the mesh is too wide or the fasteners are weak, a predator breach can occur, resulting in a lost pet or a costly repair. Always verify the material and fastening method of the mesh before placing the unit in a high-risk area.

For a large-scale option, look at our spec breakdown of the Oneluck OK-387D-FBA.

What Happens if You Choose the Wrong Type?

Choosing a type that does not fit your space results in a return shipment or a unit that sits unused in a corner. You might spend several hours assembling a large enclosure only to find it blocks a doorway or a primary walkway. This leads to a wasted purchase and the need to start the selection process over.

Reviewed by the Early Pricing editorial team. Early Pricing writes these guides from the 200 most-reviewed cat enclosure listings in our retail dataset, not from manufacturer copy.