Hereditary risks, breed-specific cover considerations, and the NZ pet insurers offering cat cover.
British Shorthairs have significant HCM risk, especially in males. PKD is a secondary concern due to Persian ancestry. Policies must cover both hereditary cardiac and renal screening.
Sourced from UK Kennel Club Breed Health & Conservation Plans, Royal Veterinary College VetCompass, and peer-reviewed veterinary literature. Every condition cited; pop-vet sources excluded.
HCM is hereditary in British Shorthairs with approximately 9% prevalence and strong male predisposition (20.4% in males vs 2.1% in females). No causative mutations identified yet in this breed, but familial inheritance is established.
Autosomal dominant condition inherited from Persian ancestry in the breed's history. British Shorthairs with Persian bloodlines carry increased PKD risk.
Source: https://www.ufaw.org.uk/cats/british-shorthair-hypertrophic-cardiomyopathy
All 8 NZ pet insurers in our wording index offer cat cover. Wordings differ on hereditary conditions, waiting periods, age caps, and excess. Snapshot generated 2026-05-20.
AA Pet Insurance
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Cove Pet Insurance
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PD Insurance
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Petcover (Petplan NZ)
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PetNSur
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Southern Cross Pet Insurance
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SPCA Pet Insurance
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Tower Pet Insurance
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60-second scenario matcher — filter by hereditary cover, waiting period, age caps and what you can afford. Sourced from real insurer wordings, not marketing pages.
Find my top 3 policies →British Shorthairs are most commonly screened for: Hypertrophic cardiomyopathy (HCM), Polycystic kidney disease (PKD). Each condition has a different prevalence and a different impact on pet insurance cover — see the sources cited above for the underlying veterinary literature.
It depends on the wording. Some NZ pet insurance policies cover hereditary and congenital conditions after a waiting period; some exclude them entirely; some cover with breed-specific exceptions. The condition must not have been pre-existing at the time you took out the policy. Use our policy match to filter by hereditary cover.
British Shorthairs are Large cat (5–7 kg). Typical lifespan is 12–20 years.
As early as possible — ideally as a puppy before any hereditary or congenital conditions develop or are diagnosed. Once a condition has been observed, treated, or even noted in vet records, NZ pet insurers will treat it as pre-existing and exclude it from future cover. This matters most for breeds with strong hereditary risk profiles.
Not personalised advice. Editorial overview only. NZ pet insurance wordings change — read your policy document and quote with the insurer for binding terms.
Hereditary-condition data sourced from UK Kennel Club, RVC VetCompass, OFA, and peer-reviewed veterinary research. Insurer roster snapshot from 2026-05-20. Page generated 2026-05-29.