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Quick Answer: Only three brands offer independently crash tested dog crates in the UK: Gunner Kennels (CPS 5-Star), MIMsafe Variocage (ISO 27955 certified), and TransK9 (UK crash tested).[3] Standard wire crates meet Highway Code Rule 57 for restraint but offer minimal crash protection.[1]
Whether you need a crash-tested travel crate that meets European safety standards or a heavy-duty home crate that'll last a decade, choosing the right dog crate is one of the most important decisions you'll make for your pet's safety and comfort. For UK car travel, properly restrained dogs aren't just safer—they're a legal requirement under Highway Code Rule 57, with fines up to £5,000 for non-compliance.[1]
A proper dog crate isn't a cage—it's your dog's bedroom. When you set it up right, your dog will see their crate as a safe retreat where they can relax when the world gets too busy. Dogs are den animals by nature, and they actually like having a small, enclosed space that belongs just to them.[2] If you introduce it correctly with positive associations, your dog will happily trot into their crate when they need a break.
Yes, dog crates are safe when sized correctly and properly introduced. Both veterinarians and animal welfare charities like the Blue Cross confirm that crates tap into dogs' natural denning instincts, providing them with a secure personal space.[2]
The safety question becomes more nuanced when you're talking about car travel. Standard wire crates meet Highway Code Rule 57's requirement to restrain your dog, but they're not designed to protect your dog in a serious collision.[1] That's where crash-tested crates make the difference.
Only a handful of dog crate manufacturers have subjected their products to independent crash testing by recognized organizations. The main testing bodies are:
The difference between a crash-tested crate and a standard wire crate is similar to the difference between a modern car with airbags and a vintage car without seatbelts. Both will transport you, but only one is designed to protect you in an accident.
If you're looking for verified crash protection, you have three main options available to UK dog owners. Here's how they compare:
| Brand | Testing Standard | Price Range | UK Availability | Best For |
|---|---|---|---|---|
| Gunner Kennel | CPS 5-Star (USA) | £500-800 | Direct import | Maximum protection |
| MIMsafe Variocage | ISO 27955, ECE R-17, R-44 | £600-1200 | UK retailers | Estate car owners |
| TransK9 | UK crash tested | £700-1000 | UK manufacturer | Custom vehicle fit |
All three brands have undergone independent crash testing and provide documented evidence of their safety performance. We'll cover each in detail below, along with more affordable heavy-duty options that meet Highway Code requirements without crash test certification.
I'll tell you something most dog owners don't realise: when you bring your dog to a Professional Dog Groomer or vet, crates are absolutely essential for everyone's safety. Here's why:
Now, you might be looking at heavy-duty crates thinking they seem excessive. But here's the thing: if you buy a cheap wire crate that bends or breaks within a year, you'll end up spending more replacing it than if you'd bought quality from the start.
Heavy-duty construction means thicker metal, reinforced corners, and secure latches that won't fail when your dog pushes against them. Whether you've got a strong breed, an escape artist, or you simply want something that'll last through years of daily use, investing in a solid crate is worth every penny.
Yes, when properly introduced, most dogs view their crate as a safe den rather than a cage. Dogs are den animals by nature, meaning they instinctively seek out small, enclosed spaces where they can relax without watching their backs.[2]
Think about where your dog chooses to rest when they're tired: under tables, behind sofas, in quiet corners. They're looking for that den-like feeling of security. A properly sized crate with comfortable bedding gives them exactly that.
Wild dogs and wolves dig dens or find caves for sleeping and raising puppies. These enclosed spaces offer protection from predators and harsh weather. Your domestic dog still carries this instinct, even though they don't face the same dangers.
When you introduce a crate correctly—with positive associations, comfortable bedding, and never as punishment—your dog learns that it's their personal bedroom. Somewhere they can retreat when the house gets noisy, when they're tired after a walk, or when they just want some peace.
The key word is "correctly." Forcing a dog into a crate, using it as punishment, or leaving them crated for excessive periods will create negative associations. But when done right, most dogs will voluntarily go to their crate because it feels safe.
You'll see these terms thrown around interchangeably, but they actually mean different things. Knowing the difference helps you choose the right product for your needs.
Dog crates are designed to blend into your home. They're often styled to look like furniture—wooden end tables or stylish cabinets that happen to house your dog. Brands like Paw Comfort UK make crates in walnut and ivory finishes that match your décor.
These work brilliantly if aesthetics matter to you and you've got a calm dog who won't try to chew their way out. They're your dog's bedroom, pure and simple.
Dog cages prioritise function over form. They're typically metal wire construction, portable, and collapsible. You can fold them flat to move house or take them in the car.
These are your workhorses—perfect for training, travel, and dogs who like to scratch or chew. They're well-ventilated, easy to clean, and you can see your dog from any angle.
Heavy-duty cages are what groomers and vets use. They're constructed with box section steel frames and 1.5cm steel slats instead of wire. This isn't marketing fluff—it's the difference between a crate that bends and one that won't budge.
You'll find these in professional settings because they can handle anxious dogs, strong breeds, and daily use without deteriorating. They're also essential if you've got an escape artist who's figured out how to bend standard wire crates.
Here's the reality: a cheap wire crate might last two years before the latches fail or the wire bends, meaning you'll need to buy another one. A quality heavy-duty crate will last a decade or more, making it more cost-effective in the long run.
That said, not everyone needs industrial strength. Wire crates from reputable brands like MidWest Homes are durable and strong enough for most dogs. You're looking at heavy-duty when you need absolute reliability—whether that's due to your dog's behaviour, size, or how often you'll use it.
Your home crate needs to fit into your space and daily routine. The right choice depends on whether you need portability, how much room you've got, and what your dog's like when left alone.
Collapsible design - if you're short on space or move frequently, wire crates that fold flat are incredibly practical. MidWest Homes and Ellie-Bo both make sturdy wire crates that collapse in seconds without tools.
Dual doors - having both front and side doors gives you flexibility for positioning the crate in awkward corners or against furniture. Your dog also appreciates the choice of entry points.
Removable trays - cleaning is infinitely easier when you can slide out a plastic tray rather than reaching inside with a cloth. Make sure the tray is thick enough not to crack when you pull it out.
Divider panels - if you're crate training a puppy, adjustable dividers let you reduce the internal space as they grow. This prevents them using one end as a toilet while sleeping at the other.
MidWest Homes Ultima Pro - this is the gold standard for heavy-duty wire crates. The heavier-gauge wire construction is significantly thicker than standard crates, and the double-latch system is rock solid. Available in sizes from 61cm to 122cm.
Ellie-Bo Heavy Duty - a UK brand that offers solid construction at competitive prices. Their crates come with dividers as standard and have a powder-coated finish that resists rust better than painted alternatives.
Cozy Pet Premium - these stack well if you've got multiple dogs, and they're designed with grooming parlours in mind. That means they handle daily use without the doors sagging or latches wearing out.
For professional-grade heavy-duty protection, consider the MidWest Homes for Pets Ultima Pro Series Dog Crate featuring professional steel gauge construction with two-door access (front and right side).
This suitcase-style crate easily sets up and folds down in seconds, includes a durable easy-to-clean plastic pan, surface protective rubber feet, and plastic carrying handles. Ideal for pets 41 to 70 pounds (95cm L x 63cm W x 70cm H). The gold standard for durable wire crates.
Furniture-style wooden crates look gorgeous in your living room, but they're not heavy-duty in the structural sense. If your dog scratches, chews, or gets anxious when crated, wood won't hold up. It's also harder to clean thoroughly if accidents happen.
That said, if you've got a calm, crate-trained dog and aesthetics matter, wooden crates from brands like Paw Comfort UK or Omlet Fido Studio serve brilliantly as furniture pieces that happen to house your dog.
For UK-made quality at competitive prices, the Ellie-Bo Black Standard Large 36-inch Folding 2-Door Dog Cage offers the ideal blend of style and practicality.
Features sliding heavy-duty latches for secure double-door access, easy to clean and folds flat for transport. Includes metal chew-proof tray and training guide to provide a safe companion for daily training (91cm L x 61cm W x 66cm H). Excellent value with rust-resistant coating.
If you're driving with your dog in the UK, you need to know about Highway Code Rule 57. It states that dogs must be properly restrained in a vehicle to prevent them distracting the driver or injuring anyone in case of sudden braking or an accident.
A properly secured travel crate is one way to comply with Rule 57 and keeps your dog safer than some other restraint methods. But not all crates are created equal when it comes to crash protection.
Rule 57 of the Highway Code specifically addresses how you must transport animals in vehicles. The rule requires that dogs are "suitably restrained so they cannot distract you while you are driving or injure you, or themselves, if you stop quickly."
You have several options to comply with this requirement:
Failing to properly restrain your dog can result in a fine of up to £1,000 if you're stopped by police, and it may invalidate your insurance if you're involved in an accident. More importantly, an unrestrained dog becomes a projectile in a crash, putting everyone in the vehicle at serious risk.
For Rule 57 compliance, the EZYDOG Dog Seat Belt Car Restraint Harness is specifically designed to meet UK Highway Code Rule 57 requirements with universal fitting for all car models.
High-quality nylon construction ensures durability and pet safety while minimising driver distractions. Easy-to-fit design—simply slide through car seatbelt and attach to dog harness. Compatible with all EzyDog harnesses. Backed by 2-year warranty. Alternative restraint option for dogs who prefer not being crated in vehicles.
Simply placing a crate in your boot isn't enough—it must be secured to prevent it sliding or tipping during sudden stops. Here's how to do it properly:
Not all crates are equal when it comes to crash protection. Only a handful of products have undergone independent crash testing by recognised organisations, and proper certification matters.[3] Here are the verified options available to UK dog owners:
| Crate Brand | Certification | Construction | UK Availability |
|---|---|---|---|
| Gunner Kennel | CPS 5-Star (USA) | Rotomoulded plastic | Direct from manufacturer |
| MIMsafe Variocage | SPCT, ISO 27955, ECE R-17, ECE R-44 (Europe) | Steel frame with crumple zone | UK retailers available |
| TransK9 | Independent UK crash tested | Box-section aluminium | UK manufacturer - direct |
| Rock Creek Crates | CPS 5-Star (USA) | Aluminium | Limited UK availability |
Gunner Kennel earned the "Top Performing Crate" designation in the Center for Pet Safety's 2015 crate study and holds a CPS 5-Star certification—the only double-walled rotomoulded kennel to achieve this rating.[3] These are formed from a single piece without weak seams that could fail under impact.
The testing involved simulated crashes at approximately 30 mph, and Gunner crates demonstrated the ability to protect dogs and prevent the crate from becoming a projectile. Sizes range from small to XXL to accommodate most breeds.
The Gunner Kennel is available directly from the manufacturer. CPS 5-Star certified with rotomoulded construction for maximum crash protection. Not available on UK affiliate sites but worth considering for ultimate travel safety.
Visit Gunner Kennels website for UK shipping options and sizing
MIMsafe Variocage has undergone extensive testing by SP Technical Research Institute of Sweden.[4] These crates meet multiple safety standards including ISO 27955, ECE R-17, and ECE R-44—the same standards applied to child car seats in Europe. For UK dog owners looking for crash-tested crates that meet European standards, MIMsafe is the most accessible option with UK retailer availability.
The SPCT (Swedish Pet Crash Test) programme has validated Variocage's performance in real-world crash scenarios including frontal, rear, and rollover impacts. These are particularly popular with European estate car owners and are designed to fit specific vehicle models, maximising boot space whilst providing verified crash protection.
The MIMsafe Variocage is available directly from the manufacturer or specialist UK retailers. Meets ISO 27955, ECE R-17, and ECE R-44 standards - the same as child car seats.
Vehicle-specific models available for popular UK estate cars
TransK9 crates have been independently crash tested for front and rear impacts as well as rollover scenarios, and the company provides detailed test summaries on their website.[5] Their box section aluminium construction—described as similar to Formula 1 monocoque chassis design—is used by professionals including working dog handlers and emergency services. TransK9 offers a 10-year structural warranty on their crates.
These are vehicle-specific designs for popular UK models including Land Rovers, Volvos, and Škodas. The custom fit means they use your vehicle's anchor points effectively and maximise the available boot space.
TransK9 Crash-Tested Crates are available directly from the manufacturer. Custom-fit aluminium crates designed for specific UK vehicle models with independently verified crash testing.
Used by professional working dog handlers and emergency services
Standard wire crates—even heavy-duty ones—are not crash-tested and won't provide the same level of protection in a serious collision. They do, however, meet Rule 57's restraint requirement and prevent your dog from moving around the vehicle.
Think of wire crates as restraint devices rather than crash protection. They're entirely appropriate for daily use and shorter journeys, but if maximum safety is your priority, the crash-tested options above are worth the investment.
Impact Collapsible Crate - a UK alternative with an aluminium frame and reinforced panels that provides a portable option whilst folding flat for storage. This offers a good balance between portability and robust construction for those who need to move their crate between vehicles.
If you need to move your crate between vehicles or lack storage space, portable wire crates also work well for shorter journeys. The key is securing them properly—use ratchet straps or seatbelt loops to prevent the crate sliding or tipping during emergency braking.
MidWest Homes and Ellie-Bo both make travel-friendly versions with carrying handles and quick-release latches. Just remember: wire crates aren't crash-tested, so whilst they meet Rule 57's restraint requirement, they won't protect your dog in a serious collision the way purpose-built crash-tested crates will.
For robust portability and maximum security, the BingoPaw Heavy Duty Dog Crate 38 inch Wheeled Large Pet Cage features chew-resistant 0.6-inch thickened square tube construction that withstands the strongest jaws.
Military-grade strength with corrosion-resistant, rust-proof iron pipes. Double safety lock system prevents escape from inside, with three-door design (small food door, front door, and top door). Taller and more spacious than average cages (95x57x81cm) for increased comfort. Includes removable tray and castors for easy movement. Ideal for strong breeds and escape artists.
If you're flying with your dog, airlines follow the IATA Live Animals Regulations (LAR), which set minimum standards for pet containers. Understanding these requirements before you book saves stress and ensures your dog travels safely.
CR1 is the standard classification for dog and cat containers. Your crate must meet these specifications:
IATA specifies exact measurement requirements:
The crate's internal dimensions must exceed these measurements. It's better to size up if you're between sizes—a slightly larger crate is more comfortable than one that's too snug.
Brachycephalic (flat-faced) breeds including Bulldogs, Pugs, Boston Terriers, and Shih Tzus face additional restrictions due to breathing difficulties at altitude and during stress.
IATA recommends:
Some airlines including British Airways and Emirates have specific lists of restricted breeds. Always check your airline's current policy before booking, as these rules change frequently.
Ferplast CLIPPER series is widely accepted for airline travel when compliant with IATA Live Animals Regulations (LAR) and airline-specific rules. Manufactured by Europe's largest pet products company with over 50 years of experience, these carriers feature robust construction, secure steel doors, and proper ventilation systems.
Important: airlines have different policies beyond the basic IATA requirements. Some restrict certain breeds, require specific crate brands, or have seasonal embargoes during hot weather. Check your specific airline's requirements at least 8 weeks before booking. You'll need health documentation from your vet, and some destinations require additional permits or quarantine arrangements.
For airline travel, the Ferplast Dog Carrier CLIPPER 7 IATA Approved Travel Crate is a sturdy carrier ideal for traveling by car, train, ship, and plane with full IATA standards compliance.
Made of solid plastic with sturdy plastic-coated steel mesh door featuring 2-point safety lock. Lateral snap hooks for quick closure with screw reinforcement and plastic ties for additional door security. Excellent internal ventilation through large side wall slits. Bottom and roof separate easily for cleaning. Suitable for very large dogs up to 60kg (105 x 75 x 79cm). Backed by 2-year warranty. Always verify with your specific airline before purchasing.
Size matters more than most people realise. Too small and your dog feels cramped and stressed. Too large and you lose the denning effect that makes crates feel secure—plus puppies will use the extra space as a toilet area.
Your dog needs to be able to:
To measure your dog:
Large breeds like German Shepherds, Labradors, and Golden Retrievers typically need 106-122cm crates. Don't try to save money by going smaller—your dog will be miserable.
Giant breeds including Great Danes, Mastiffs, and Irish Wolfhounds need 122-137cm crates. These are expensive and take up significant space, but there's no way around it.
Tall breeds like Greyhounds and Whippets need more vertical space than you'd expect for their weight. Check the height measurement carefully.
You've got two choices with puppies:
Option 1: Buy for their adult size and use a divider panel to reduce the space as they grow. This saves money long-term, but you'll be living with a massive crate in your house while your puppy is tiny.
Option 2: Buy a smaller crate now and upgrade later. This makes more sense if you've got limited space or you're not certain your puppy will tolerate crate training.
For most people, option 1 with a divider is the practical choice. Just be prepared—a crate sized for an adult Labrador takes up the same floor space as a small armchair.
Make your crate comfortable with the EHEYCIGA Orthopedic Dog Beds Large Mattress featuring egg-crate foam design that distributes your pet's weight evenly to minimize pressure points on bones and joints.
Plush sherpa top creates ultimate softness while non-skid bottom prevents movement. Removable zippered cover makes cleaning easy—machine washable to keep cushion fresh. Fits any elevated dog bed, crate, or carrier (89 x 58 x 9cm). Can be used as calming bed cushion, especially beneficial for dogs with anxiety. Provides superior comfort, reduced joint pain, and improved health and mobility.
A heavy-duty crate should last years, but only if you maintain it properly. Regular cleaning and safety checks prevent problems before they start.
Weekly routine - pull out the tray and wash it with warm soapy water or pet-safe disinfectant. Remove any bedding and wash it separately. Wipe down the metal bars or panels with a damp cloth to remove dust and hair.
Deep clean monthly - take the crate outside if possible and hose it down, paying attention to corners where debris accumulates. Use a stiff brush on stubborn marks. Let it dry completely before putting bedding back—this matters for metal crates because trapped moisture causes rust.
After illness - if your dog has been poorly, disinfect everything thoroughly using a veterinary-approved cleaner. Some parasites and bacteria survive regular cleaning, so follow product instructions carefully.
Keep your crate fresh with Warren London Professional Grooming Products - including deep cleaning sprays and sanitizers used by professional groomers. Perfect for maintaining hygiene in crates and kennels.
Browse their full range of spa-quality cleaning and grooming products
Check these monthly:
The best crate in the world is useless if your dog hates being in it. Proper introduction makes all the difference.
Start positive - feed meals in the crate with the door open. Toss treats inside randomly throughout the day. Make it the best place in the house for good things to happen.
Build gradually - once they're comfortable going in and out, close the door for a few seconds whilst they eat. Gradually extend the duration. If they panic, you've gone too fast—go back a step.
Never use as punishment - the crate should never be where dogs go when they're in trouble. That creates negative associations that are hard to undo.
Remove collars - when your dog is inside a wire crate, take off their collar. Collars can catch on wire bars if dogs scratch or move suddenly, causing panic or injury.
Enhance crate comfort with Pawdaw of London Luxury Dog Beds - featuring premium materials and elegant designs that complement your crate setup. Perfect for dogs who deserve both comfort and style.
Also available: luxury drying bags for post-walk crate time
Pro Tip:
Look up "crate games" by Susan Garrett. Her training approach turns crate time into play time, which works brilliantly for dogs who are initially resistant to confinement.
Yes. Rule 57 of the Highway Code requires animals be suitably restrained; a secured crate is one way to comply. Other options include a seat-belt harness or dog guard. The key is that your dog must be prevented from distracting the driver or causing injury in case of sudden braking or collision.
A crash-tested crate has been evaluated in controlled crash simulations by independent laboratories or organisations. Examples include the Center for Pet Safety (CPS) in the USA or SP Technical Research Institute in Sweden. Only selected models have verifiable crash-test results—always check the source and testing methodology before trusting safety claims.
A wire crate can help you comply with Rule 57 (restraint) but offers limited protection in a serious collision. Wire crates prevent your dog from moving around the vehicle but aren't designed to withstand impact forces. Crash-tested crates like Gunner, Variocage, or TransK9 provide defined performance in test scenarios and offer significantly better protection in accidents.
Dogs must be able to stand, turn, and lie naturally; the crate needs secure fasteners and proper ventilation. Ventilation requirements are three sides for domestic flights and four sides for international flights. Snub-nosed breeds often require larger crates for adequate airflow. Always confirm specific requirements with your airline, as policies vary and change frequently.
Measure nose-to-base-of-tail length plus 10–15cm, and standing height (floor to top of head) plus 10–15cm. Your dog should be able to stand without their head touching the ceiling, turn around completely, and lie down fully stretched on their side. For air travel, verify airline-specific measurement rules as these can differ from general guidelines.
For estates and SUVs, vehicle-specific crates maximise space, stability, and safety features. Brands like TransK9, Variocage, and Thule Allax create crates designed for specific vehicle models, using mounting points for secure installation. These cost significantly more than generic crates, but they're built to professional standards and many have verified crash-test results. If you regularly travel long distances or prioritise safety, they're worth considering.
If you regularly travel long distances or at high speeds, crash tested crates provide peace of mind that standard crates cannot match. Crash tested crates cost £500-1200, compared to £80-200 for heavy-duty wire crates. The premium buys you verified protection in collisions at 30+ mph, whereas wire crates can collapse on impact, potentially injuring your dog or becoming a projectile that harms passengers.
For daily short journeys at low speeds, a quality heavy-duty wire crate properly secured may be sufficient. But if you do motorway driving, long road trips, or have a nervous dog who needs maximum security, the investment in crash-tested protection is worthwhile.
Yes, Highway Code Rule 57 allows regular crates provided they're properly secured to prevent movement. A secured wire or plastic crate meets the legal requirement to restrain your dog during travel. However, regular crates are designed for containment, not crash protection. In a serious collision, a standard wire crate can collapse or bend, potentially injuring your dog.
Think of it this way: a regular crate stops your dog from distracting you while driving and prevents them from being thrown around the car. A crash-tested crate does that AND protects them if you're hit by another vehicle. Both are legal, but only one is designed for impact protection.
Only three brands offer independently verified crash tested dog crates: Gunner Kennels (CPS 5-Star certified), MIMsafe Variocage (ISO 27955 and ECE R-17 certified), and TransK9 (UK independently crash tested). These brands have published testing results from recognized organizations rather than just marketing claims.
Many brands claim "crash tested" or "car safe" without providing evidence. Always ask for the testing organization's name, the standards used, and where you can view the test results. Genuine crash tested crates will provide this information prominently.
Gunner Kennels are universal-fit crates that work in most vehicles' boot areas, while MIMsafe and TransK9 offer vehicle-specific models designed for popular UK estate cars. Before purchasing any crash tested crate, measure your boot space carefully and check the manufacturer's vehicle compatibility guide.
Vehicle-specific crates like TransK9 and Variocage use your car's existing anchor points for maximum security and often fit better than universal options. However, they're only available for specific makes and models. If your vehicle isn't listed, universal-fit options like Gunner or heavy-duty portable crates with ratchet strap anchoring are your best alternatives.
Choosing a heavy-duty crate comes down to understanding your specific needs. If you're mainly using it at home for a well-behaved dog, a quality wire crate from MidWest or Ellie-Bo will serve you well for years.
If you're travelling regularly or your dog is particularly strong or anxious, invest in purpose-built equipment. A Gunner Kennel or TransK9 boot crate costs serious money, but they're built to professional standards and could literally save your dog's life in an accident.
Whatever you choose, get the size right, introduce it properly, and maintain it regularly. A crate should be your dog's safe space—somewhere they actually want to be, not somewhere they're forced to endure.
This guide is based on official safety standards, independent testing results, and UK regulations. Key sources include:
Last reviewed: February 11, 2026
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