Sealyham Terrier
About the Sealyham Terrier
Temperament
Physical Characteristics
| Size Category | Small (10-25 lbs) |
|---|---|
| Height | 10-11" |
| Weight | 23-24 lbs |
| Coat Type | Wire |
| Coat Length | Medium |
| Colors | |
| Hypoallergenic | Yes |
Care Requirements
Exercise Needs
Moderate (30-60 min/day)
30 minutes per day recommended
Grooming
Regular - 2-3x/week
Mental Stimulation
★★★★★Moderate mental stimulation needed
Drooling
★★★★★Living Conditions
Cost of Ownership
| Purchase Price | $1,500-$3,000 |
|---|---|
| Annual Cost | $1,200/year |
Costs vary based on location, breeder, and individual needs. Annual costs include food, veterinary care, grooming, and supplies.
Health Considerations
Like all breeds, Sealyham Terriers may be prone to certain health conditions:
Regular veterinary check-ups and proper care can help prevent or manage many health issues.
Best For
- Families with Children
- Apartment Living
- Allergy Sufferers
Guides for your Sealyham Terrier
The story behind the Sealyham Terrier
The Sealyham Terrier was created in the mid-nineteenth century by Captain John Edwardes on his Sealyham estate in Pembrokeshire, Wales, who bred a game, mostly white terrier to work with his otterhounds and to bolt badger and fox; the exact recipe went unrecorded, though several white terrier breeds are commonly suggested. The breed was standardized around the turn of the twentieth century, recognized by the Kennel Club and the American Kennel Club in the 1910s, and enjoyed a remarkable interwar vogue, kept by film stars and winning top show honors. As working demand vanished, numbers fell steeply, and the Sealyham is today listed among Britain's vulnerable native breeds, sustained by a small circle of devoted breeders.
Originally bred for: Badger and otter hunting, Vermin control, Companion. You can trace how working roles shaped today’s breeds across our dog guides.
Feeding a Sealyham Terrier
A low, powerfully built Welsh terrier that runs to stoutness without discipline. Modest servings of a complete small-breed food twice daily, plus limited chews, maintain the compact working shape and reduce strain on short, heavy-boned legs.
Watch for: Nothing specific is documented breed-wide; individual dogs vary. Abundant face furnishings hold moisture and crumbs, occasionally causing local skin irritation that gets mistaken for allergy. Ask a veterinarian to check before changing what is fed.
Not sure what to put in the bowl? See our picks for the best dog food for small breeds.
Mealtime extras: training treats worth keeping in your pocket. Everything else lives in our dog nutrition and feeding hub.
Living with a Sealyham Terrier
Day to day, the basics matter most: how much exercise your dog needs, how often to get out for a walk, and how much sleep is normal.
For play and enrichment, browse our favorite dog toys and interactive toys for rainy days.
Gear that fits the breed makes life easier: a well-sized dog bed, a comfortable no-pull harness.
Raising a puppy? Work through crate training and the teething timeline — or see how old your dog is in human years with our dog age calculator.