The fluffiest dog breeds

There's something irresistible about a properly fluffy dog. The kind of coat that looks like it belongs on a cushion, that turns a walk in the park into an impromptu photoshoot, and that makes strangers stop you in the street to ask "can I stroke him?" But that glorious fluff comes with real responsibilities, and the breeds that carry it best are usually built for cold climates, hard work, or both, rather than for a warm front room and a once-a-fortnight brush.

If you're drawn to a fluffy breed, it helps to understand what's actually going on underneath that coat before you fall for the look. Most of the fluffiest dogs share a "double coat" - a dense, insulating undercoat topped by a coarser, weatherproof layer - and that structure has a big influence on how much grooming, shedding and heat management you're signing up for.

This guide rounds up some of the fluffiest dog breeds you'll come across in the UK, what their coats are actually built to do, and the practical side of living with one: brushing routines, matting prevention, shedding season, and the surprising risk that a thick coat can pose in hot weather.

What makes a dog breed "fluffy"?

"Fluffy" isn't an official coat type, but most dogs that earn the label have one thing in common: a double coat. This is made up of a soft, dense undercoat that traps air and insulates against cold, and a longer, coarser outer coat (sometimes called guard hair) that sheds water and dirt and protects the skin underneath. The Kennel Club's breed standard for the Samoyed describes exactly this structure, calling for a coat "well covered with thick, close, soft and short undercoat, with harsh but not wiry hair growing through it, forming weather-resistant outer coat, which should stand straight away from body and be free from curl."

Other breeds achieve a similarly plush look through a single, very long or profuse coat rather than a true double layer - but the practical result for an owner is often the same: a lot of hair, a tendency to trap loose fur and debris, and a genuine need for regular maintenance. Some fluffy-coated breeds were developed for arctic or mountain climates (Samoyeds, Chow Chows), others for herding in wet, exposed conditions (Bearded Collies, Old English Sheepdogs), and some purely as companion dogs bred to be as decorative as possible (Pomeranians, Bichon Frises).

The fluffiest dog breeds for UK homes

Samoyed

The Samoyed is probably the definitive "fluffy dog" - a dense, brilliant white (or biscuit-tinted) double coat that was originally developed to keep the breed warm while working and sleeping alongside nomadic Siberian herders. Their coat stands away from the body rather than lying flat, giving them their characteristic fluffy, almost cloud-like silhouette. Samoyeds are intelligent, sociable and vocal, and they were bred to work closely with people, so they don't thrive left alone for long periods. Their coat needs brushing several times a week year-round, and daily during the twice-yearly "coat blow" when the undercoat sheds in earnest.

Chow Chow

Chow Chows carry one of the thickest coats of any dog breed, and The Kennel Club recognises two coat types in the breed standard: a "rough" coat, which is the dense, off-standing, plush-textured version most people picture, and a smoother, shorter "smooth" variety. Both are still double coats, but the rough coat in particular needs serious, consistent grooming to stop it matting, especially around the ruff, thighs and tail. Chow Chows are independent and reserved with strangers, which suits owners looking for a calmer, less demonstrative companion, but their coat is not a low-maintenance choice.

Old English Sheepdog

The Old English Sheepdog's shaggy, profuse coat is arguably its defining feature, and the Kennel Club breed standard is specific about it: "good harsh texture, not straight, but shaggy and free from curl" with a waterproof undercoat, heavier coating over the hindquarters than the rest of the body, and hair that should never be artificially shaped by scissoring or clipping. That's a coat built for working outdoors in wet British weather, but on a family pet it means near-daily brushing right down to the skin, not just over the surface, or it will felt into solid mats within weeks.

Bearded Collie

Bearded Collies were bred to herd sheep and cattle in the Scottish Borders and Highlands, and their long, shaggy double coat reflects that working history. According to the Kennel Club's breed profile, Bearded Collies need grooming every day, alongside up to an hour of exercise, making them a genuinely high-commitment breed on both fronts. They're an affectionate, bouncy, biddable breed, but the coat is not something you can let slide for a busy week - daily attention is the only way to stay ahead of tangles in a coat this long and dense.

Pomeranian

At the smaller end of the fluffy spectrum, the Pomeranian is a miniaturised spitz breed whose thick, medium-length coat and dramatic "ruff" give it a rounder, foxier silhouette than its size would suggest. The Kennel Club's breed profile notes a coat that sheds considerably and needs grooming more than once a week. Poms are small enough to suit flats and smaller homes, and their exercise needs are modest (around 30 minutes a day), but don't mistake their size for low grooming demands - the density of that coat, relative to the dog, is considerable.

Other fluffy breeds worth a mention

A handful of other breeds regularly turn up on "fluffiest dog" lists for good reason. The Newfoundland carries a huge, water-resistant double coat suited to its history as a working water-rescue dog, and combines serious size with serious shedding. The Keeshond, a spitz breed closely related to the Pomeranian and Samoyed, has a dense, upright coat and a distinctive "spectacles" marking around the eyes. The Bichon Frise has a curly, powder-puff coat that doesn't shed in the way a double coat does, but mats easily and needs frequent professional trimming to keep its shape. None of these are low-maintenance choices, but each suits a slightly different lifestyle, from the Newfoundland's need for space and swimming to the Bichon's more manageable size for flat living.

Coat care: brushing, tools and technique

Whatever the breed, the basic toolkit for a fluffy, double-coated dog is similar: an undercoat rake or de-shedding tool to work through the dense underlayer, a slicker brush to smooth and finish the topcoat, and a metal comb to check for any tangles you've missed, particularly behind the ears, under the front legs (the "armpits"), and around the tail and trousers, where mats form fastest. PDSA's grooming guidance recommends daily brushing for long-haired dogs, with several sessions a week for medium-coated breeds, and stresses introducing grooming gently and positively from puppyhood so it becomes a routine your dog tolerates well rather than dreads.

Work in sections, brushing down to the skin rather than just over the surface - a coat can look tidy on top while matting badly underneath, especially in areas of friction like the collar line or where a harness sits. If you find a mat, work it apart gently with your fingers and a comb, starting at the outer edge and working inward; never pull straight through a mat with a brush, as this drags on the skin and can cause real pain and even bruising.

Bathing, matting and professional grooming

Fluffy, double-coated breeds generally don't need frequent bathing - every six to eight weeks is a reasonable guide for many dogs, more often only if they've gotten properly dirty or if a vet has recommended a specific shampoo for a skin condition. Washing too often can strip the natural oils that keep the coat weatherproof and the skin healthy. Always brush out tangles before a bath, since water tightens existing mats and can make them far harder to remove afterwards.

If matting has become established, particularly large mats close to the skin, this isn't a job to tackle with scissors at home. PDSA specifically advises against attempting to cut out matted fur yourself, since it's very easy to nick the skin underneath (which is often pulled tight by the mat and closer to the surface than it looks), and recommends taking your dog to a reputable, qualified groomer instead. For coats like the Chow Chow, Old English Sheepdog and Bearded Collie, a professional groom every six to eight weeks - alongside your own regular brushing in between - is realistic maintenance, not an indulgence.

A fluffy coat looks glamorous in photos, but it's a genuine daily or near-daily commitment for most of these breeds - factor that into your decision before the puppy stage, not after.

Shedding and seasonal coat blow

Double-coated breeds typically "blow" their undercoat twice a year, usually in spring and autumn, shedding dramatically more than usual as the coat adjusts to the changing season. PDSA's advice on pet grooming flags this seasonal shedding pattern and recommends stepping up grooming frequency during these periods to keep on top of loose fur, reduce shedding around the house, and stop the loose undercoat matting against the skin as it's shed. For breeds like the Samoyed, this can mean daily brushing for several weeks at a time, rather than the usual few-times-weekly routine.

It's worth noting that shaving a double-coated dog to deal with shedding or heat is generally not the answer vets and groomers recommend. The undercoat and topcoat work together to regulate temperature and protect the skin from sun and insects; removing that structure doesn't stop shedding regrowth and can leave the dog more vulnerable to sunburn and skin problems, not less.

Fluffy coats and the heat: heatstroke risk

This is the part owners of fluffy breeds most need to plan around. According to the RSPCA, dogs with thick coats are at greater risk of overheating because a dense coat makes it harder for the dog to lose heat through the body, alongside other risk factors such as young or old age, existing respiratory or health conditions, and flat-faced (brachycephalic) features that limit effective panting. A Samoyed, Chow Chow or Bearded Collie built for a cold climate can genuinely struggle in a British summer, particularly during a heatwave or on a warm, humid day with little breeze.

The RSPCA's guidance on recognising heatstroke lists warning signs including heavy panting, drooling, lethargy, confusion, vomiting, muscle tremors and collapse in severe cases. If you suspect heatstroke, the RSPCA's advice is to move your dog into shade immediately, pour cool (not ice-cold) water over the neck, chest and legs, and get them to a vet urgently, calling ahead so the practice can be ready. For fluffy breeds specifically, that means being especially cautious about exercise timing in summer - stick to early mornings and evenings, avoid the midday heat, and always carry water. Our Dog Walking Calculator can help you plan appropriate exercise for your dog's breed, age and fitness level, which is worth revisiting seasonally for a heavy-coated dog.

Choosing a fluffy breed: exercise, space and lifestyle in the UK

Coat aside, most of these breeds come with specific space and activity needs that are worth being honest with yourself about. Bearded Collies and Old English Sheepdogs were bred as working herding dogs and need a genuine outlet for that energy and intelligence, not just a lead walk around the block. Samoyeds are sociable, vocal working dogs that don't do well isolated for long hours. Pomeranians are far more adaptable to flat or apartment living, but their coat maintenance doesn't scale down with their size.

Before committing to any fluffy breed, think honestly about how much time you can realistically give to grooming every single week, not just when the coat looks obviously matted, plus the breed's exercise needs, and whether your home and garden suit a dog that's often larger and more active than its cuddly appearance suggests. If you're weighing up whether a particular breed - fluffy or otherwise - fits your household, our Pet Ownership Quiz is a useful starting point for thinking through space, time and lifestyle before you commit to a specific dog.

Common grooming mistakes to avoid

A few mistakes come up again and again with fluffy, double-coated breeds. Brushing only the surface of the coat, rather than working right down to the skin, is probably the most common - it leaves the coat looking fine while a solid mat builds up underneath, out of sight. Bathing before brushing out tangles is another; water sets a mat and makes it much harder to remove. Shaving the coat to "help" with heat or shedding, as covered above, removes the natural insulation and weatherproofing rather than solving the underlying problem. And leaving grooming until it's obviously overdue, rather than sticking to a regular schedule, means far more discomfort for the dog and far more work for you when you do get round to it, since a coat that's brushed weekly rarely mats badly, while one left for a month often does.

Skipping the areas prone to friction - behind the ears, under the collar or harness, in the "armpits," and around the tail and back legs - is another frequent oversight, since these are exactly the spots where mats form first and where they're easiest to miss during a quick once-over.

When to see your vet

Grooming problems can sometimes point to something more than a maintenance gap. See your vet if you notice sudden or unexplained hair loss, redness, soreness or an unpleasant smell coming from the skin under the coat, if your dog seems uncomfortable, itchy or is scratching or chewing at a particular area repeatedly, or if mats have become so tight and widespread that they're pulling on the skin (this can cause real pain and, in severe cases, sores underneath). Seek urgent veterinary attention straight away if your dog shows any signs of heatstroke, such as heavy panting, drooling, weakness, vomiting or collapse, particularly after exercise in warm weather. A vet or vet nurse can also advise on the safest way to deal with severe matting, since some cases need sedation to remove humanely and safely.

*This is general guidance, not a substitute for advice from your vet, who can assess your individual pet.*

Sources

• PDSA — grooming advice for pets, including brushing frequency and seasonal shedding (pdsa.org.uk).
• RSPCA — how to recognise and treat heatstroke in dogs, including thick-coat risk factors (rspca.org.uk).
• The Kennel Club — official breed standard for the Samoyed (royalkennelclub.com).
• The Kennel Club — official breed standard for the Old English Sheepdog (royalkennelclub.com).
• The Kennel Club — breed profile for the Bearded Collie, including grooming and exercise needs (royalkennelclub.com).
• The Kennel Club — breed profile for the Pomeranian, including coat and grooming needs (royalkennelclub.com).