A crate, introduced and used correctly, becomes your dog’s personal safe space — a den where they choose to relax, sleep, and feel secure. Used incorrectly, it becomes a prison that causes distress and anxiety. This guide covers how to introduce a crate positively to puppies or adult dogs, how to choose the right size, and the rules for ethical crate use in the UK.
Crate Size Guide
The crate must be large enough for your dog to:
- Stand up without their head touching the top
- Turn around comfortably in a full circle
- Lie down fully stretched out on their side
Measure your dog’s length (nose to tail base) and height (floor to top of head), then add 10 cm to each measurement. For puppies, buy the adult-size crate and use a divider to make it smaller — too much space encourages toileting at one end.
Step-by-Step Positive Crate Introduction
- Setup: Place the crate in a quiet area where your dog can still see the family. Door fully open and secured so it can’t slam. Soft bedding inside. Cover three sides with a blanket for a cozy den feel
- Build interest (Days 1–3): Drop treats near, then inside the crate entrance, then further back. Let your dog investigate at their own pace. Do not push, lure, or shut them in
- Feed meals inside (Days 3–7): Place food bowl progressively further inside the crate. Dog enters voluntarily to eat
- Close the door briefly (Week 2): While your dog eats inside, gently close the door. Open it before they finish eating. Gradually extend the time the door is closed — seconds at first
- Increase duration (Weeks 2–4): Door closed for 5 minutes with a stuffed Kong → 10 minutes → 20 minutes → 30 minutes. Always with enrichment. If your dog shows distress, go back a step
- Leave the room (Weeks 3–4): Close the crate, leave the room briefly, return before any distress. Build up gradually
- Overnight (Week 4+): After exercise and toileting, settle your dog in the crate for the night. Place the crate in or near your bedroom initially
The Rules of Ethical Crate Use
- Never use the crate as punishment — this destroys the safe space association
- Maximum crate time (adults): 4 hours during the day (RSPCA recommendation). Overnight: 8–10 hours maximum with a pre-bed toileting opportunity
- Puppies: Maximum hours = their age in months + 1 (e.g., a 3-month-old puppy can hold for approximately 4 hours maximum)
- Always provide water access
- If your dog shows persistent distress in the crate, stop and consult a behaviourist — not all dogs are suited to crate confinement
FAQs
Can I crate train an adult dog who has never been crated?
Yes — the process is identical, but may take longer because adult dogs are less adaptable than puppies. Go slower, be more generous with treats, and accept that some adults never fully embrace crating. For adult dogs, an alternative is an exercise pen or puppy-proofed room, which provides safe confinement without the same enclosed feeling. Every dog is an individual.


