The Best Dog Crate for a Cavalier King Charles Spaniel (2026 Guide)

Written by the team at Impact Dog Crates. We build dog crates for a living, which means our days are spent around trainers, breeders, working dogs and anxious rescues. Learn more about us here.

A Cavalier King Charles Spaniel is the dog who follows you from the kitchen to the bathroom, then sits outside the door looking wounded that you closed it. The AKC says Cavaliers are “the best of two worlds, combining the gentle attentiveness of a toy breed with the verve and athleticism of a sporting spaniel,” and anyone who lives with one will tell you the “attentive” part comes first. That devotion is also what makes crate time a feelings question as much as a hardware question. Here’s how we think about size, what each crate material does for a worried lap dog, and how to build a crate your Cavalier will walk into on his own.

How Big of a Crate Does a Cavalier King Charles Spaniel Need?

For most adult Cavaliers, the 24” (Small) Collapsible Dog Crate. Impact’s product page lists Cavalier King Charles Spaniels by name at the 24”, which suits a breed that usually weighs somewhere around 13 to 18 pounds. The 30” (Medium) Collapsible is the step up for a Cavalier on the bigger end of the breed, or one who likes to stretch out. The Stationary Dog Crate and the High Anxiety Crate both start at 30”.

Your own dog beats any breed label, so measure from the floor to the top of his shoulders and from his nose to the base of his tail, then add a few inches to each so the crate feels like a den instead of a box. Our guide to measuring your dog for a crate shows how. Keep the extra room modest. A small dog with a lot of spare floor can turn one corner into a bathroom.

Real owners tell the same story. A Cavalier owner in our reviews says her dogs “feel safe in the car and at bed time,” and another shows her Cavalier in conformation, rally, and obedience and wanted something “secure and safe” for the SUV. If you are torn between sizes, send our team your dog’s measurements and habits before you order.

Impact’s Stationary Dog Crate in white, shown front on.

Wire, Plastic, Soft-Sided, or Aluminum: What Actually Holds Up for a Cavalier King Charles Spaniel?

A Cavalier is small and gentle, which is why a light wire crate looks like plenty. The weak point is never his weight. It is what a worried dog does at the door when the person he loves has just walked out of the room.

Cavaliers are not known as crate-wreckers, and many settle in without any drama. But the ones who do struggle often struggle hard, and our reviews from spaniel owners show how it goes. The owner of a 30 lb cocker-mini schnauzer mix wrote that he “had been breaking off teeth and bending bars on "heavy duty" standard wire crates trying to escape.” None of these are bad dogs. They are sweet, worried dogs in crates that weren’t built for them.

That’s where the Collapsible Dog Crate and the Stationary Dog Crate earn the difference in price with aluminum panel construction, and where the High Anxiety Crate is the step up for a Cavalier who has already beaten a standard crate or panics when he is alone. It’s a real jump in price over a wire crate, and it’s a crate you buy once instead of replacing.

The door and latch hardware on Impact’s Stationary Dog Crate.

Why Do Cavaliers Struggle When You Leave the Room?

Because they are company dogs through and through. VCA Animal Hospitals says of the breed, “Close interaction with their family is preferred,” and adds that “Some individuals may show mild separation anxiety if left alone too often.” That is the velcro dog in two sentences. A Cavalier is not being dramatic when the door closes. His favorite thing in the world just went somewhere he can’t follow.

A few things help more than any hardware. Practice short, boring absences before long ones, so leaving doesn’t feel like an event. Put the crate in a room where the family actually spends time. Give him a chew or a stuffed toy that only appears at crate time. Our guide to reducing stress for anxious dogs covers the routine and safe-space side, and if your Cavalier is panting, drooling, or hurting himself to get out, that is a conversation for your vet or a certified behaviorist, with the crate keeping him safe in the meantime.

Are Cavalier King Charles Spaniels Easy to Crate Train?

Usually, yes. Cavaliers are gentle, eager to please, and happy to work for a treat, which is about the best starting point a trainer could ask for. The thing to plan around is not stubbornness. It is that a Cavalier cares a lot about where you are. A soft voice, a calm pace, and a crate he can see you from do more than any trick.

A Cavalier King Charles Spaniel settled on the rug beside the crate.

What Should You Plan Around With a Cavalier’s Silky Coat, Ears, and Heart?

Three Cavalier-specific things are worth building into the setup.

Coat and ears. Those long, silky ears and feathered coat pick up everything, including food, water, and the mats that form where fur rubs. Use a washable bed, brush him regularly, and wipe his ears and face after meals and drinks so they don’t sit damp in the crate.

Heat and exercise. VCA lists the breed as adaptable but says to avoid extreme heat, and describes moderate daily activity, such as regular walks and play, as enough to keep him healthy. Keep the crate out of direct sun and away from heating vents, and give him a walk before a long stretch of crate time. Our crate placement guide walks through spots that work.

Heart health. The same VCA page notes that “Heart disease is a significant health concern in this breed and often develops earlier than in other dogs.” That is not something a crate can fix, so ask your vet what to watch for and how much exercise suits your dog, and keep crate time calm and cool.

Should You Buy the Adult-Size Crate for a Cavalier Puppy?

Yes. A Cavalier puppy will not outgrow the 24” the way a Lab would, so there is no reason to buy a small crate and then another. Start with the adult size and use bedding to make the space cozy, or add an Impact Puppy Divider, which adjusts as a pup grows and works with all Impact crate models. Keep early crate time short. Our guide to how long a dog can stay in a crate puts young puppies, 8 to 10 weeks old, at around 30 to 60 minutes at a time.

How to Crate Train a Cavalier King Charles Spaniel, Step by Step

The fundamentals are the same for every breed, and our walkthrough on what crate training involves covers them in detail. With a Cavalier it is about patience, closeness, and a very gradual goodbye.

1. Put the crate where the family is. A corner of the living room beats a back bedroom for a dog who wants to keep you in sight. Add a soft bed and a blanket that smells like home.
2. Leave the door open and let him wander in. Toss a few treats toward the back and feed meals inside. Reward every walk in, and let him back out whenever he likes at this stage.
3. Close the door for a few seconds while you sit right beside it. Build from seconds to minutes, and praise quietly. Cavaliers pick up on your mood, so stay relaxed.
4. Start leaving the room, then the house, in tiny steps. Step out for a minute, come back, and keep arrivals and departures boring so leaving doesn’t feel like an event.
5. Give him something to do and a walk beforehand. A stuffed food toy or a lick mat gives a worried dog a better job than the latch. Our guide to how long a dog can stay in a crate puts healthy adults at roughly 4 to 6 hours and never more than 8.
6. If you see real panic, call your vet or a certified behaviorist. Torn nails, injured teeth, soaked bedding, or a dog hurting himself to get out needs more than a crate. The crate’s job is to keep him safe while you work on it.

Which Impact Crate Is Right for a Cavalier King Charles Spaniel?

It comes down to what your dog actually does. A Cavalier with real separation anxiety, or one who has already escaped or hurt himself on a crate door, belongs in the High Anxiety Crate, which is backed by a Lifetime Dog Damage Guarantee. Its smallest size is 30”, so add soft bedding and keep the room modest. A calm Cavalier who rides along to the vet, the dog show, or grandma’s house does well in the Collapsible Dog Crate, which folds flat and comes in the 24” Impact lists for the breed. The Stationary Dog Crate is the permanent-at-home option, and it starts at 30”.

A Cavalier’s Crate Should Feel Like the Next Best Thing to Your Lap

A Cavalier is a soft-hearted, people-focused dog, and the crate for him has to work on two levels: close enough in size that it feels like a den, and built well enough that a bad day never turns into an escape attempt. Measure him, start at the 24”, keep the crate in the middle of family life, and match the build to what he actually does, not what he weighs. Do that and you’ve bought a crate for the life of the dog.

What Other Dog Owners Are Saying

Frequently Asked Questions

How big of a crate does a Cavalier King Charles Spaniel need?
Most adult Cavaliers fit the 24” Collapsible Dog Crate (24.5”L x 18.5”W x 23”H), which Impact’s product page lists for the breed. The 30” is the step up, and the High Anxiety Crate and Stationary Dog Crate start at 30”. Measure your dog and add a few inches to each dimension.

Can a Cavalier use a wire crate?
It isn’t a good fit for a Cavalier who gets anxious or works at the door. Wire flexes, and a bent rod or a spread joint can leave a gap that catches a toenail, a tooth, or a jaw.

Are Cavaliers prone to separation anxiety?
VCA notes that “Some individuals may show mild separation anxiety if left alone too often.” Build up alone time slowly, and talk to your vet or a certified behaviorist if your dog is panicking or hurting himself.

Do Cavaliers overheat in a crate?
VCA says to avoid extreme heat with this breed. Keep the crate out of direct sun and away from heating vents, and ask your vet about exercise and warm-weather care for your dog.

Which Impact crate is best for an anxious Cavalier?
The High Anxiety Crate, which is built for dogs who escape or hurt themselves and is backed by a Lifetime Dog Damage Guarantee. Its smallest size is 30”.