Small breed Regular energy Wire coat Terrier Group

Sealyham Terrier

Alert, Outgoing, Sense Of Humor

Standing less than 11 inches at the shoulder and weighing about 24 pounds, Sealys are not big enough to be considered medium-sized dogs, but they stand among the strongest and most substantial of what we think of as small dogs.A typical Sealy is well-muscled, built low to ground,…

⚖️ 23–24 lbs 📏 10.5–10.5" 🎂 12–14 years

Traits

Sealyham Terrier Characteristics

Energy

60%

Shedding

60%

Trainability

40%

Grooming

60%

Friendliness

60%

Coat Type

Wire coat 2-3 Times a Week Brushing

Owner resources

Matched Resources for Sealyham Terrier Owners

Contextual partner picks from the PupWiki affiliate pipeline. These are matched by breed size, energy, training needs, lifestyle, and ownership intent.

Sealyham Terrier food & nutrition tools
ChefPaw Dog Food Maker
Chef Paw (US) · Appliances

ChefPaw Dog Food Maker

Revolutionary countertop pet food maker, simplifying the process of crafting fresh and highly-nutrit…

Affiliate link — no extra cost to you

Sealyham Terrier training & walking gear
🐾
JugBow · Training

JugBow No-Pull Training Harness

Dual-clip training harness with front and back D-rings. Reflective stitching, padded chest plate, an…

Affiliate link — no extra cost to you

For Sealyham Terrier owners
The Veteran - Custom Pet Canvas
Crown and Paw · Gifts

The Veteran - Custom Pet Canvas

Premium 8" x 10" custom pet canvas. Turn your pet into a legendary military veteran.

Affiliate link — no extra cost to you

Affiliate disclosure: PupWiki may earn a commission from qualifying partner links, at no extra cost to you. Availability and pricing can change.

Care basics

Sealyham Terrier Care Tips

Benefits from 30-60 minutes daily exercise — walks, play sessions, or swimming.

Seasonal shedder — daily brushing during spring and fall coat blows is essential.

Brush 2-3× weekly to maintain coat condition and reduce shedding around the home.

Owner fit

Who the Sealyham Terrier Suits

  • Recommended for experienced owners — higher owner difficulty rating of 8/10.

  • Urban-friendly: adapts well to apartment or townhouse living when daily exercise is consistent.

  • A protective temperament can make this breed a reliable companion for the right household.

  • Working heritage means structured activity matters — under-stimulation can lead to problem behaviors.

Before you choose

Make an Informed Sealyham Terrier Decision

Related guides

All Sealyham Terrier Guides

Sealyham Terrier Cost Calculator

Puppy price, annual costs, food estimate, and lifetime ownership planning.

Classification

FCI Classification

FCI Group Group 3 — Terriers
Section Kleine terriërs
Status Recognized

Editorial guides