What size crate for a Border terrier?
Most fully grown Border terriers, a small and compact breed typically weighing around five to seven kilograms, fit comfortably into a small or small-to-medium sized crate. The reliable way to choose is measuring your own dog rather than relying on the breed name alone, since individual size varies.
How to measure your dog properly
Measure your dog's length from the tip of their nose to the base of their tail while they are standing naturally, then add around ten to fifteen centimetres to that figure for a comfortable margin. This gives you the minimum length the crate should be so your dog can lie down fully stretched out.
Separately, measure your dog's height from the floor to the top of their head or ears, whichever is taller, while they are sitting or standing normally, and add a similar margin. This tells you the minimum height needed for your dog to stand up and turn around without ducking.
If your dog's measurements fall between two standard crate sizes, it is generally better to size up rather than down, since a crate that is genuinely too small is uncomfortable and can make crate training harder rather than easier.
Why the breed name alone is not enough
Border terriers vary in size more than people sometimes expect, and factors like sex, individual build and even coat thickness can affect how a dog fits a given crate. A dog at the smaller end of the breed's typical size range may be comfortable in a size that would be tight for a larger individual.
This is exactly why a genuine measurement of your own dog, rather than a single number attached to the breed as a whole, is the reliable way to choose, and it is worth re-measuring if your dog is still growing.
Crating a puppy versus an adult
A Border terrier puppy will grow into their adult size within their first year, so you have a choice between buying a crate sized for a puppy and upgrading later, or buying an adult-sized crate with a removable divider panel that can be moved back as they grow. The divider approach avoids buying two crates but needs the divider to be genuinely secure.
Whichever you choose, make sure the crate is introduced gradually and positively rather than being used only for confinement, since a crate a dog associates with comfort is more useful long term than simply the correctly sized box.
The sizes we stock
Everything below is in stock with us, priced with delivery worked out, and packed and posted by hand in the UK.
Ice-Silk Cooling Dog Bed with Bolster Edge
A breathable ice-silk cooling bed with a soft bolster edge and a cool-touch centre panel that helps your dog stay comfortable through warm weather. No need to freeze or refrigerate, it cools naturally on contact.
From£12.99
L-Shaped Bolster Sofa Dog Bed
A supportive L-shaped sofa bed with a raised bolster back and side for your dog to rest their head. The thick padded base cushions joints, and the soft rose-velvet cover is removable and washable for easy care.
From£44.99
Plush Checkered Dog Car Back Seat Bed
A quilted checkered car bed that turns the back seat into one flat, cosy platform for your dog.
From£11.99
Front-Facing Legs-Out Pet Carrier Backpack
A breathable front-carry backpack that holds your small dog or cat facing outward, legs through the openings. Padded adjustable straps and a secure buckle keep them comfortable on walks and rides.
From£8.99
Common questions
- What crate size is generally recommended for a Border terrier?
- A small or small-to-medium crate suits most adult Border terriers, but the reliable approach is measuring your own dog's length and height and adding a comfortable margin to each, rather than relying on a single size recommended for the breed as a whole.
- Should I buy a puppy-sized crate or an adult-sized one with a divider?
- Both approaches work. A divider panel in an adult-sized crate saves buying a second crate as your puppy grows, provided the divider is secure, while a smaller puppy crate can feel cosier for a very young dog before you upgrade later.
- How do I know if a crate is too small for my Border terrier?
- Your dog should be able to stand up fully, turn around without difficulty, and lie down completely stretched out inside the crate. If they have to crouch, cannot turn comfortably, or their body touches multiple sides at once when lying down, the crate is too small.
- Is it better to size up if I'm unsure between two crate sizes?
- Generally yes. A slightly larger crate is more comfortable for your dog than one that is genuinely too small, though for crate training some owners use a section of a large crate at first so a puppy does not feel it has too much space to toilet away from where it sleeps.
Sources
Written against guidance published by UK veterinary and welfare organisations. Always confirm specifics with your own vet.
Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.