Breed Comparison
Shih Tzu vs Cavalier King Charles Spaniel
Side-by-side breakdown of shedding, trainability, cost, temperament, and whether either breed suits your lifestyle — with honest UK context.
Shih Tzu
Bred purely as a companion. The Shih Tzu lives to be with people and is perfectl…
Cavalier King Charles Spaniel
The ultimate lapdog. Endlessly loving, but the breed carries serious inherited h…
Shih Tzus are low-energy, Cavalier King Charles Spaniels are moderate-energy. Shih Tzus are challenging to train; Cavalier King Charles Spaniels are easy to train. Puppy prices: Shih Tzu £700–£1 800, Cavalier King Charles Spaniel £1 000–£2 500 from UK breeders.
Side-by-side comparison
| Shih Tzu | Cavalier King Charles Spaniel | |
|---|---|---|
| Size | Small | Small |
| Weight | 4–8 kg | 5–8 kg |
| Lifespan | 13–16 yrs longer | 10–14 yrs |
| Shedding | Minimal shedding less shed | Moderate shedding |
| Barking | Moderate barker | Quiet quieter |
| Trainability | Challenging | Easy to train easier |
| Good with kids | Yes | Yes |
| Good with cats | Yes | Yes |
| Hypoallergenic | Yes | No |
| UK puppy price | £700–£1 800 cheaper | £1 000–£2 500 |
| Insurance/month | £20–£45/mo cheaper | £35–£80/mo |
Green highlight = advantage on that trait. Prices are UK averages from reputable KC-registered breeders (2024–25).
Quick verdict
Shih Tzu
Cavalier King Charles Spaniel
Which should you choose?
Both the Shih Tzu and Cavalier King Charles Spaniel have their merits — the right choice depends on your lifestyle, living situation, and what matters most in a dog. Here is an honest breakdown of who each breed suits best.
Choose the Shih Tzu if…
- You cannot stand dog hair on your sofa or clothes
- Allergies are a concern in your household
- Budget is a factor — Shih Tzus typically cost less to buy
- Longevity matters to you — Shih Tzus tend to live longer
- Their temperament — affectionate, outgoing, playful — matches what you are looking for
Choose the Cavalier King Charles Spaniel if…
- You want a breed that is easy to train. Especially if you are a first-time owner
- You live in a flat or terraced house where noise matters
- Their temperament — gentle, affectionate, graceful — matches what you are looking for
Energy and exercise requirements
The Cavalier King Charles Spaniel is the higher-energy breed here — Cavalier King Charles Spaniels need 90–120 minutes of exercise daily, while the Shih Tzu is more manageable at 60–90 minutes per day. This difference matters significantly if you have a small home, work long hours, or aren't an active exerciser.
Cost comparison
Buying a Shih Tzu costs £700–£1 800 from a reputable UK breeder, compared to £1 000–£2 500 for a Cavalier King Charles Spaniel. Insurance is another key variable: Shih Tzus run £20–£45/mo monthly versus £35–£80/mo for Cavalier King Charles Spaniels. Over a dog's lifetime, insurance and food costs typically dwarf the initial purchase price — factor both into your budget.
Which is easier to live with day-to-day?
The trainability gap is one of the most meaningful day-to-day differences between these breeds. The Cavalier King Charles Spaniel's easier trainability means faster results and more forgiveness of inconsistency — a real advantage for first-time owners or busy households.
The honest summary
On balance, the Shih Tzu edges ahead on the metrics that matter most to the majority of UK dog owners — but "better" is always personal. If the Cavalier King Charles Spaniel's specific traits match your situation, go with the Cavalier King Charles Spaniel.
Both the Shih Tzu and Cavalier King Charles Spaniel can be wonderful dogs in the right hands and the right home. The worst outcome is choosing based on looks or trend alone — make sure their energy level, grooming needs, and temperament fit your life before you commit.
Before you decide
Whatever breed you choose, buy from a reputable breeder who health-tests their breeding stock — not a puppy farm or pet shop. For the Shih Tzu, check what health testing the relevant breed club recommends (KC Assured Breeders follow minimum health testing requirements). The same applies to the Cavalier King Charles Spaniel. A slightly higher purchase price from a responsible breeder is almost always cheaper than the veterinary bills from a poorly-bred dog.
If you're still undecided after reading this comparison, consider meeting dogs of both breeds in person — at a breed club event, through a local rescue, or by contacting a reputable breeder who allows you to meet the parents. Temperament on paper and temperament in the room are not always the same thing. Spend time with both breeds before committing: it's a 10–15 year relationship.