English Mastiff vs Norfolk Terrier

Working · Giant vs Terrier · Small

Quick take
  • English Mastiff is the larger breed at 160–230 lbs (males) vs 11–12 lbs for the Norfolk Terrier.
  • The Norfolk Terrier typically lives longer (12–16 years).
  • The Norfolk Terrier has higher daily energy needs.
  • The Norfolk Terrier sheds less.
  • The Norfolk Terrier is generally more trainable.

Side-by-side traits

TraitEnglish MastiffNorfolk Terrier
Group
WorkingTerrier
Size
GiantSmall
Origin
EnglandEngland
Height (male)
30"9–10"
Height (female)
27.5"9–10"
Weight (male)
160–230 lbs11–12 lbs
Weight (female)
120–170 lbs11–12 lbs
Lifespan
Average expected lifespan.
6–10 years12–16 years
Energy level
Daily activity needs.
Low (2/5)High (4/5)
Trainability
How quickly the breed learns commands.
Moderate (3/5)High (4/5)
Intelligence
Problem-solving ability.
Moderate (3/5)High (4/5)
Exercise needs
Daily physical activity required.
Low (2/5)Moderate (3/5)
Shedding
Lower = less hair around your home.
Moderate (3/5)Very Low (1/5)
Grooming effort
Brushing, bathing, professional grooming.
Very Low (1/5)Moderate (3/5)
Drooling
Lower = drier face and furniture.
Very High (5/5)Very Low (1/5)
Barking
How vocal the breed is.
Low (2/5)Moderate (3/5)
Good with kids
High (4/5)High (4/5)
Good with other dogs
Moderate (3/5)High (4/5)
Good with strangers
Moderate (3/5)Moderate (3/5)
Protectiveness
Watchdog tendencies.
Very High (5/5)Moderate (3/5)
Adaptability
Apartment / new environment tolerance.
Moderate (3/5)Very High (5/5)
Coat length
shortwirehaired
Hypoallergenic
Lower-shedding, less dander.
NoYes
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About the English Mastiff

The English Mastiff is a courageous, dignified, good-natured giant — the heaviest dog breed, ancient British war hounds. Originally from England, this giant working breed typically weighs 160–230 lbs and lives 6–10 years. Breeders describe them as courageous, dignified, good-natured.

About the Norfolk Terrier

The Norfolk Terrier is a fearless, alert, gregarious drop-eared terrier — one of the smallest working terriers, fox-bolter. Originally from England, this small terrier breed typically weighs 11–12 lbs and lives 12–16 years. Breeders describe them as fearless, alert, gregarious.

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English Mastiff health

Common health concerns reported in this breed:

  • Hip dysplasia
  • Bloat
  • Heart disease
  • Cancer

Norfolk Terrier health

Common health concerns reported in this breed:

  • Hip dysplasia
  • Patellar luxation
  • Eye problems