Side-by-side comparison of two popular breeds — temperament, exercise, grooming, lifespan and common health issues. Use it to decide which breed fits your home.
The Bullmastiff (45–59 kg, 7–9 years) and the English Mastiff (54–104 kg, 6–10 years) sit in different — or sometimes overlapping — corners of dog ownership. Here's how they really compare for an everyday Irish or UK family.
Energy levels are well-matched between the Bullmastiff and English Mastiff — both need similar daily exercise.
Both have manageable grooming routines — the English Mastiff demands slightly more, but neither needs daily fuss.
Insurance premiums for breeds with brachycephalic, joint or cancer predispositions run 20–40% above average — check before you commit. We have a free quote calculator here.
 Bullmastiff |
 English Mastiff |
|
|---|---|---|
| Group | Working | Working |
| Origin | England | England |
| Weight | 45–59 kg | 54–104 kg |
| Height | 61–69 cm | 70–84 cm |
| Lifespan | 7–9 years | 6–10 years |
| Energy level | ||
| Trainability | ||
| Grooming needs | ||
| Good with kids | ||
| Good with other pets | ||
| Hypoallergenic | ||
| Watchdog instinct | ||
| Novice-owner OK |
BullmastiffCalm, devoted, courageous, naturally protective.
30–45 minutes daily.
Short coat, weekly brush. Drool requires towels.
Hip dysplasia. Bloat / GDV. Cardiomyopathy. Cancer (over-represented). Lifespan tragically short — 7–9 years.
Full Bullmastiff profile →
English MastiffCalm, affectionate, dignified, protective. Mastiffs are famously good with children of their own family. Wary of strangers but rarely aggressive — they tend to body-block rather than attack.
30–45 minutes a day of moderate walking. Heavy-bodied breeds shouldn't jog or run on hard surfaces. Puppies must avoid impact until 18 months+.
Short coat, weekly brush. Drool prevention bibs help.
Bloat / GDV. Hip / elbow dysplasia. Cardiomyopathy. Cancers (lymphoma, osteosarcoma). Eye conditions. Lifespan 6–10 years.
Full English Mastiff profile →Experienced owners, families with older children, secure homes.
Calm households with space, owners who can budget for giant-breed care.
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