English Mastiff

Also known as: Mastiff

The English Mastiff is one of the largest and most ancient dog breeds, a gentle giant with a calm, dignified temperament and immense loyalty. Originating from England, this large-sized working breed has earned a loyal following among Australian pet owners thanks to its distinctive appearance and reliable temperament. With a typical lifespan of 6—10 years, the English Mastiff stands 70—76 cm at the shoulder and weighs between 54—13 kg. Whether you live in a bustling city apartment or a sprawling rural property, understanding this breed’s unique needs will help you decide if it’s the right fit for your household.

About the English Mastiff

History

One of the oldest English breeds, Mastiffs have been in Britain since before Roman times. Used as war dogs, guard dogs and for bull-baiting. The modern breed was refined in the 19th century. The heaviest dog ever recorded was a Mastiff named Zorba, weighing 155 kg.

Temperament & Personality

The English Mastiff is widely regarded as gentle, loyal, protective, calm, dignified and courageous. These personality traits make them well-suited to Australian families who value a gentle companion. Around the home, English Mastiffs tend to form strong bonds with their primary carers while remaining loyal with visitors and strangers. This breed is typically excellent with children of all ages. Patient and gentle, they make wonderful family companions. As with all breeds, supervision during interactions with very young children is recommended. Their protective disposition also means they respond best to owners who understand and respect their temperament rather than trying to force them into a mould that doesn’t suit them.

Training & Socialisation

The English Mastiff is independent-minded and may require patience during training. Early socialisation is critical—exposing your puppy to a wide variety of people, animals, sounds and environments between 8 and 16 weeks of age will help prevent behavioural issues later. In Australia, many local councils require dogs to be responsive to basic commands and well-socialised in public spaces. Puppy preschool classes are widely available across Australian cities and regional centres, and they provide an excellent foundation. Use positive reinforcement techniques—treats, praise and play—rather than punishment-based methods. Consistency is key: set clear household rules from day one and ensure all family members follow the same approach.

Care & Health

Joint health is critical throughout life. Bloat prevention essential. Significant drooling. Giant breed costs are substantially higher than average.

Living Conditions

A home with a securely fenced yard is ideal for the English Mastiff. While they can adapt to larger apartments, regular outdoor access is important. In Australia’s varied climate, be mindful of heat—provide shade, fresh water and avoid exercising during the hottest parts of the day, particularly in summer.

Quick Facts

Origin: England
Life Span: 6—10 years
Size: large
Hair Shed: moderate
Grooming: Once a week
Good with Kids: high
Exercise Needs: low
Feeding Cost: $30–$40 p/w
Colours: Apricot-fawn, silver-fawn, fawn, dark fawn-brindle, all with black mask.

Exercise

Exercise needs: low

Low exercise needs of 20—30 minutes daily. Short, gentle walks are ideal. Avoid strenuous exercise, especially during growth (up to 2 years).

Health Considerations

hip dysplasia, elbow dysplasia, bloat, osteosarcoma and cardiomyopathy.

Recommended Insurance for English Mastiff

English Mastiffs are predisposed to several health conditions that can result in significant veterinary bills.

■Hip Dysplasia — typical treatment cost: $3,000–$8,000
■Elbow Dysplasia — typical treatment cost: $2,500–$6,000
■Bloat — typical treatment cost: $2,000–$5,000 (emergency surgery)
■Osteosarcoma And Cardiomyopathy — typical treatment cost: $1,000–$5,000+

A comprehensive pet insurance policy can help cover the cost of diagnostics, surgery and ongoing treatment for these conditions. Many Australian providers offer plans starting from around $30–$60 per month for larger breeds, with annual benefit limits of $10,000–$25,000.

🛡️ Don’t wait until it’s too late

Pre-existing conditions are never covered. Insuring your English Mastiff while they’re young and healthy gives you the broadest coverage at the lowest premium.

See which pet insurance plans suit English Mastiffs →

Grooming

Short coat needs weekly brushing. Clean facial wrinkles daily. Moderate shedding.

Pros & Cons

Advantages

Excellent with children and families
Highly affectionate and loyal companion
Low exercise requirements suit busy lifestyles
Impressive presence and natural deterrent

Considerations

Higher food and veterinary costs than smaller breeds
May be prone to breed-specific health issues
Not always readily available from Australian breeders

Frequently Asked Questions

How much does a English Mastiff cost in Australia?

In Australia, a English Mastiff puppy from a registered breeder typically costs between $2,500–$6,000 AUD. Prices vary based on pedigree, breeder reputation and location. Adoption through breed-specific rescue organisations is also an option and typically costs $300–$800. Always choose an ANKC-registered breeder who provides health clearances for both parents.

Is the English Mastiff good with children?

The English Mastiff is typically excellent with children of all ages. Patient and gentle, they make wonderful family companions. As with all breeds, supervision during interactions with very young children is recommended. Early socialisation helps ensure your English Mastiff develops positive associations with children of all ages.

How much exercise does a English Mastiff need?

Short daily walks of around 20–30 minutes are sufficient. The English Mastiff is well-suited to less active households and apartment living. Avoid over-exertion, especially in hot weather. In Australia, local dog parks and beaches provide excellent exercise venues for English Mastiffs.

What health problems are common in English Mastiffs?

Common health concerns in the English Mastiff include hip dysplasia, elbow dysplasia, bloat, osteosarcoma and cardiomyopathy. Regular veterinary check-ups are essential for early detection. In Australia, pet insurance is recommended to help manage potential veterinary costs. Choose a breeder who conducts relevant health screenings on breeding stock.

Does the English Mastiff shed a lot?

The English Mastiff sheds a moderate amount throughout the year, with heavier shedding typically occurring during seasonal changes in spring and autumn. Regular brushing two to three times per week will help manage loose hair and keep their coat in good condition.

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