Sealyham Terrier

Terrier Small Hypoallergenic

The Sealyham Terrier is a beloved small breed from Wales, ranked #124 in AKC popularity. Known for being a wonderful companion, this terrier breed combines intelligence with a loyal disposition that has earned them fans worldwide.

Quick Stats

Lifespan 12–14 yrs

Weight 23–24 lbs

Height 10–10"

Price $1000–$2000

AKC Rank #124

Origin Wales

Characteristics

Family Friendly	2/5
Energy Level	3/5
Trainability	2/5
Shedding	4/5
Good with Kids	4/5
Good with Dogs	2/5
Apartment Friendly	1/5
Grooming Needs	4/5
Barking Level	5/5
Exercise Needs	4/5
Intelligence	4/5

About the Sealyham Terrier

The Sealyham Terrier has been a cherished companion for generations, originally developed in Wales for work in the terrier group. As of 2026, they remain one of the most popular breeds in the world, ranked #124 by the American Kennel Club.

Standing 10 to 10 inches tall and weighing 23 to 24 pounds, the Sealyham Terrier is a small-sized dog with a distinctive appearance and charming personality. They are well-suited to active families who can provide the exercise, training, and companionship this breed craves.

Whether you're drawn to their striking looks, their loyal temperament, or their versatile abilities, the Sealyham Terrier rewards dedicated owners with unwavering devotion and years of joyful companionship.

Lifespan Overview

The Sealyham Terrier typically lives 12–14 years. Learn more about Sealyham Terrier lifespan →

Price Overview

Expect to pay $1000–$2000 from a reputable breeder. See full price breakdown →

Weight & Growth

Adult Sealyham Terriers weigh 23–24 lbs. View growth chart →

Temperament

Rated 2/5 for trainability and 3/5 for energy. Full temperament guide →

History

The Sealyham Terrier traces its roots to Wales, where it was originally bred for the terrier group's traditional purposes. Over centuries, the breed was refined through selective breeding to enhance the traits most valued by owners and breeders.

The breed gained international recognition in the 20th century and was officially recognized by the American Kennel Club. By 2026, the Sealyham Terrier has secured its place as the #124 most popular breed in America, a testament to its enduring appeal and adaptable nature.

Common Health Issues

Condition	Frequency	Severity
Dental Disease	Common	Low
Hypothyroidism	Common	Low
Bloat (GDV)	Occasional	Severe
Intervertebral Disc Disease	Occasional	High
Cancer	Occasional	Severe

Complete health guide →

Similar Breeds

Frequently Asked Questions

Yes, Sealyham Terriers can make wonderful family companions when properly socialized from a young age. Their temperament and energy level should be matched to your family's lifestyle for the best results.

A Sealyham Terrier typically needs 30 to 60 minutes of daily exercise, though this varies by age and individual energy level. Regular walks, play sessions, and mental stimulation are all important.

Training a Sealyham Terrier requires consistency, patience, and positive reinforcement. Early socialization and puppy training classes are highly recommended for this breed.

Shedding varies by individual and coat type. Regular grooming, including brushing and occasional baths, helps manage shedding and keeps the coat healthy.

The average Sealyham Terrier lifespan is typical for their size category. Proper nutrition, regular veterinary care, and a healthy lifestyle can help maximize their years.