Before choosing a dog UK breed guide

Choose the life.
Then the dog.

Size matters—but so do inherited purpose, energy, confidence, grooming, health and the ability to settle. Start with the ordinary week you can offer, not the breed you like the look of.

Compare representative breeds

What could fit your life?

This is a practical starting point, not a personality test or a complete directory. The Royal Kennel Club currently recognises more than 200 breeds; these examples show the range across its seven UK breed groups.

Showing all 14 example breeds

Toy

Small

Chihuahua

Typical adult pet Roughly 2–4.5 kg

RKC show standard: 1.8–2.7 kg preferred. A UK veterinary study recorded a 3.4 kg median.

Tiny in stature and full of character, Chihuahuas are bright, affectionate companions that often form very close bonds with their people. They enjoy play, learning and exploring just as larger dogs do. Positive training, thoughtful socialisation and gentle handling help their confidence flourish.

Daily exercise
At least 30 minutes
Also plan for
Warmth, dental care and safe handling

Toy

Small

Cavalier King Charles Spaniel

Typical adult pet Roughly 5–10 kg

RKC show standard: 5.4–8.2 kg.

Warm, gentle and sociable, Cavaliers are companion dogs with a sporting side. Many are equally pleased to share a country walk or a comfortable sofa and thrive on being part of family life. Their loving nature comes with a need for company, coat care and careful heart, eye and neurological health checks.

Daily exercise
Around 1 hour
Also plan for
Company, coat care and health screening

Terrier

Small

Border Terrier

Typical adult pet Roughly 5–8 kg

RKC show standard: about 5–7 kg.

Cheerful, affectionate and adventurous, Border Terriers pack plenty of working-dog spirit into a compact frame. They often enjoy active family life, purposeful walks and games that use their clever noses. Their curiosity and terrier persistence make patient recall training, enrichment and secure spaces particularly valuable.

Daily exercise
Around 1 hour
Also plan for
Recall work, enrichment and coat care

Terrier

Medium

Staffordshire Bull Terrier

Typical adult pet Roughly 11–18 kg

RKC show standard: 36–41 cm; about 11–17 kg.

Affectionate, enthusiastic and strongly people-focused, Staffies are sturdy companions known for bringing warmth and energy to family life. They tend to enjoy play, learning and close involvement with their household. Their strength and exuberance are best channelled through consistent reward-based training, positive socialisation and calm handling.

Daily exercise
Around 1 hour or more
Also plan for
Training, socialisation and secure play

Hound

Medium

Beagle

Typical adult pet Roughly 9–14 kg

RKC show standard: 33–40 cm at the shoulder.

Merry, sociable and endlessly curious, Beagles are pack hounds that usually relish company and a good adventure. Their remarkable sense of smell makes sniffing games and varied walks especially rewarding. Once an interesting scent appears it may outrank recall, so patient training and secure exercise areas matter.

Daily exercise
Around 1–1½ hours
Also plan for
Scent work, company and secure boundaries

Hound

Medium

Whippet

Typical adult pet Roughly 10–18 kg

RKC show standard: 44–51 cm at the shoulder.

Graceful, gentle and affectionate, Whippets combine impressive speed outdoors with a reputation for being calm and comfortable at home. They enjoy warm resting places and safe chances to stretch their legs. Their sensitivity responds well to kind training, while secure spaces help manage a natural instinct to chase.

Daily exercise
Around 1 hour
Also plan for
Secure running space and a warm coat

Gundog

Large

Labrador Retriever

Typical adult pet Roughly 25–36 kg

RKC show standard: about 55–57 cm at the shoulder.

Friendly, outgoing and eager to join in, Labradors are versatile companions that often love learning and working alongside people. Walks, retrieving, swimming and scent games can all put their enthusiasm to good use. Regular training, measured feeding and plenty of purposeful activity help them remain settled and healthy.

Daily exercise
Around 2 hours
Also plan for
Training, shedding and health-tested parents

Gundog

Medium

Cocker Spaniel

Typical adult pet Roughly 12–16 kg

RKC show standard: 38–41 cm; about 13–14.5 kg.

Merry, affectionate and busy, Cocker Spaniels often bring infectious enthusiasm to walks, games and family life. Their gundog heritage gives many a keen nose and a real appetite for activity and learning. Working and show-bred lines can differ considerably in drive, so ask about the parents’ temperament and lifestyle.

Daily exercise
At least 1 hour
Also plan for
Scent games, grooming and ear care

Pastoral

Medium

Border Collie

Typical adult pet Roughly 12–22 kg

RKC show standard: around 53 cm; females slightly less.

Brilliant, responsive and deeply engaged with their people, Border Collies can be wonderfully rewarding partners for active homes. They tend to thrive when given purposeful training, problem-solving and varied outlets for their herding intelligence. Just as importantly, they may need patient help learning how to relax and switch off.

Daily exercise
Around 2 hours or more
Also plan for
Mental work and careful arousal management

Pastoral

Large

German Shepherd Dog

Typical adult pet Roughly 22–40 kg

RKC show standard: about 55–66 cm at the shoulder.

Intelligent, devoted and highly versatile, German Shepherd Dogs often build powerful partnerships with their families. They flourish with consistent kind training, meaningful mental work and well-managed social experiences. Prospective owners should prioritise stable temperament, sound movement and verified health screening as carefully as appearance.

Daily exercise
Around 2 hours
Also plan for
Training, shedding and joint screening

Working

Large

Boxer

Typical adult pet Roughly 25–36 kg

RKC show standard: 53–63 cm; about 25–32 kg.

Playful, affectionate and famously expressive, Boxers often keep a joyful, youthful outlook well into adulthood. They enjoy being involved with their household and benefit from energetic games alongside patient, consistent training. Choose for comfortable breathing and sound health, and adapt activity carefully in warm weather.

Daily exercise
Up to 2 hours, health permitting
Also plan for
Training and heat-aware activity

Working

Giant

Newfoundland

Typical adult pet Roughly 45–70 kg

RKC show standard: 66–71 cm; about 50–69 kg.

Gentle, patient and impressively powerful, Newfoundlands are sociable companions with a celebrated water-working heritage. Their steady nature can be immensely appealing, but their giant scale shapes almost every practical decision—from space and transport to grooming and veterinary costs. Careful growth and joint-friendly exercise are especially important.

Daily exercise
Around 1 hour, low impact
Also plan for
Space, daily grooming and giant-dog costs

Utility

Medium

Bulldog

Typical adult pet Roughly 18–27 kg

RKC show standard: about 23–25 kg.

Affectionate, steady and delightfully determined, Bulldogs often enjoy close companionship and a relaxed home routine. Their distinctive character should never depend on restricted breathing or uncomfortable movement. Look for open nostrils, quiet breathing and sound mobility, with veterinary guidance on suitable exercise and warm-weather care.

Daily exercise
30–60 minutes, health permitting
Also plan for
Breathing assessment and heat protection

Utility

Small

French Bulldog

Typical adult pet Roughly 8–14 kg

RKC show standard: about 11–12.5 kg.

Cheerful, playful and companionable, French Bulldogs often thrive on being close to their people and can adapt well to different homes. Responsible selection is crucial: comfortable breathing, clear eyes, open nostrils and free movement matter far more than fashionable colours or exaggerated features. Exercise should suit the individual and the weather.

Daily exercise
30–60 minutes, health permitting
Also plan for
Breathing assessment and heat protection
Odie and Finn, the two Chihuahuas behind Head and Paws, looking up together

Breed is a clue, not a guarantee

Meet the dog in front of you.

Breed can help you anticipate scale, inherited purpose and likely activity. It cannot promise friendliness, confidence, quietness or suitability for children, other animals or time alone. Early experiences, health, training, environment and individual personality all matter.

For a rescue dog, use the organisation’s observed assessment and ask how the dog behaves in circumstances similar to your home. An adult dog may offer more certainty about final size, coat, energy and temperament than any puppy.

Read every figure as a planning range.

The everyday size labels and adult pet weights are broad, owner-facing guides—not targets, health limits or pedigree tests. Sex, build, ancestry and individual variation can all move a healthy adult outside the stated range. Use a veterinary body-condition assessment for the dog in front of you.

Exercise figures are broad adult starting points, not targets for puppies, unfit dogs, older dogs or dogs with health limitations. Quality matters too: sniffing, training, play and calm exploration can be as important as distance. Do not assume a garden exercises a driven dog or that a small dog will be easy.

Investigate health before availability.

Every breed and crossbreed can have inherited or conformational risks. Check the current Royal Kennel Club Health Standard, ask for the relevant test results for both parents and verify them independently. For flat-faced dogs, normal breathing and function must take priority over appearance.

Crossbreeds are not automatically healthier and their adult traits cannot be guaranteed. Ask about both parents and every known breed in the mix. If the ancestry is unclear, plan for a wider range of adult size, coat and behaviour.

Sources, standards & further reading

PDSA: Veterinary dog-care and breed guidance
VetCompass: Real-world UK Chihuahua study
Royal Kennel Club: Breeds A to Z and breed standards
Royal Kennel Club: Health Standard (PDF)
Head & Paws: Buying or adopting responsibly

Reviewed 14 September 2026

Straight answers

Breed questions.

Does breed predict personality?

No. Breed can suggest inherited tendencies and likely activity, but early experience, health, training, environment and individual personality all shape behaviour.

Are these exercise figures suitable for puppies?

No. They are broad adult-dog indicators. Puppies need age-appropriate activity, play, rest and gradual development; ask your vet about the individual puppy and avoid forced or repetitive exercise.

What about crossbreeds?

A crossbreed may inherit any combination of traits from its ancestry. Parent size and health information can inform an estimate, while an assessed adult rescue dog may provide greater certainty about the individual.

Found a possible fit?

Return to the responsible buyer checklist