Crate training, done well

A crate-trained dog has a safe space to retreat to, recovers faster from surgery, and travels more easily. A crate-traumatised dog has none of that. The kit and method matter.

Crate training works when it's done as den-building, and fails when it's done as containment. The dog has to choose to go into the crate before they ever see the door close. That's not a long process — most dogs get there in 1–2 weeks of patient introductions — but it's the foundation, and skipping it creates problems that take much longer to undo.

Below is the kit list and the order it goes in. The list is shorter than most internet recommendations, because most internet recommendations are cross-promotion between Amazon products, not actual training.

Sizing the crate

The crate should be just large enough for the dog to stand, turn around, and lie down comfortably stretched out. Bigger isn't better — too much space and a dog will toilet in one corner and sleep in the other, defeating one of the main benefits.

If you're crate training a puppy of a breed that grows large, buy a crate sized for the adult and use a divider panel to shrink the active space until they grow into it. A 42-inch (107cm) crate suits most adult Labradors and Golden Retrievers. 48-inch (122cm) suits German Shepherds and similar. Toy breeds need 24-inch (61cm). Measure floor to top-of-head and nose to base-of-tail with a 4-inch (10cm) buffer.

Type of crate — wire, fabric, or plastic

Wire crates are the most common, fold flat for storage, ventilate well, and are easy to clean. Best general-purpose choice. Cover three sides with a blanket if your dog finds the openness anxious.

Fabric crates are lightweight and travel well but no good for puppies, chewers, or any dog who hasn't already been crate-trained in a wire crate. They get destroyed in minutes by a determined dog.

Plastic kennels (the airline-style ones) are essential for any plane travel and very useful for nervous dogs who like enclosed dens. Heavier and harder to store, but the most secure for genuine escape artists.

Furniture-style crates (wooden, looks like a side table) are fine for already-crate-trained adult dogs. Don't use them for initial training — most are not strong enough for a frustrated dog.

Introducing the crate — the actual order

Day 1–3: Crate sits open in a quiet spot of the main room. Door open, secured back so it can't swing closed. Drop a couple of high-value treats inside several times a day. Don't say anything. Don't shut the door. Let the dog discover the crate is a place where good things appear.

Day 4–6: Feed the dog's regular meals at the back of the crate. Door still open. The dog walks in voluntarily to eat. Build positive association.

Day 7–10: While the dog is eating in the crate, casually close the door for a few seconds. Open it before they finish. Build up duration slowly — 30 seconds, then a minute, then five.

Day 10+: Use the crate during calm rest periods (post-walk, post-play). Add a stuffed Kong or lickmat with frozen peanut butter — long-lasting positive activity inside the crate. Build duration to 30 minutes with you in the room, then leave the room briefly.

The mistake: shutting the door before the dog is ready. If the dog whines, you've gone too fast. Step back two stages. Whining out of the crate after "working it out" once is hard to undo.

What to put in the crate

A washable mat or vetbed for cushioning. A stuffed Kong or lickmat for occupation during longer crate periods. A safe chew (something that can't be broken into pieces) for adolescent dogs. Optionally a small piece of clothing with your scent on it, for separation anxiety prone dogs.

What to leave out: collars (caught on bars, choking hazard), soft toys with squeakers (some dogs destroy and ingest), water bowls (spilled, then a damp dog) — use a clip-on water bottle if water is needed in long crate periods.

How long is too long?

Adult dogs: maximum 4 hours during the day. Overnight is fine if the dog is settled. Puppies under 6 months: maximum 3 hours, and that's a hard ceiling — bladder development limits hold time. A puppy under 12 weeks shouldn't be crated for more than 2 hours at a stretch in the day.

If you can't be home within those windows, the crate isn't the answer alone — pair it with a dog walker, a friend or family member dropping in, or daycare. Crating beyond these limits creates the welfare problems crate critics rightly point to.