How British Shorthair Cats Develop from Birth to Adulthood
March 17, 2023
Discover how British Shorthair cats grow and evolve from birth to adulthood, passing through essential phases of development.

How British Shorthair Cats Develop from Birth to Adulthood
Introduction
The British Shorthair captivates with its sturdy appearance and calm personality. From birth to adulthood, these cats go through very specific development phases that influence their health, behavior, and socialization.
In this article, we'll walk you through each growth stage — from newborn kitten to adult cat.
🐾 Phase 1: Newborn (0 to 2 weeks)
During this stage:
- Kittens are born with closed eyes and ears;
- They are completely dependent on their mother;
- They spend most of their time sleeping and nursing.
Newborn British Shorthair kitten.
👁️ Phase 2: Transitional Stage (2 to 4 weeks)
Visible changes start happening:
- Eyes open;
- They begin to hear sounds and interact;
- They attempt to walk and maintain balance;
- Curiosity about their surroundings emerges.
First steps and discoveries during the transitional phase.
🧸 Phase 3: Socialization Stage (4 to 8 weeks)
At this stage:
- Kittens play with each other;
- They develop motor and social skills;
- Start the weaning process and are introduced to solid food;
- Form bonds with humans.
Time to play and learn to socialize — the most fun phase!
🐱 Phase 4: Adolescence (4 to 6 months)
Adolescence brings:
- Personality begins to form;
- High energy and intense curiosity;
- Baby teeth are replaced by adult teeth;
- Puberty starts.
The feline teenager: independent, curious, and full of energy.
🧘 Adult Phase (from 1 year onward)
Characteristics of adulthood:
- Calm and balanced behavior;
- Preference for stable routines and quiet environments;
- Affectionate and loyal nature;
- Life expectancy of 12 to 15 years (or more) with proper care.
Adult British Shorthair: majestic and serene.
❓ FAQ – Frequently Asked Questions About British Shorthair Development
At what age can I receive my British Shorthair kitten?
We deliver our kittens starting at 16 weeks of age (around 4 months), fully socialized, vaccinated, dewormed, neutered, microchipped, and ready with their Pet Passport.
When do they start showing their personality?
From around 4 months old, with a more stable personality developing between 6 and 12 months.
Do they continue to grow after 1 year?
Yes. Although they reach sexual maturity around 12 months, physical growth can continue up to 3 years of age.
Can I feed them adult cat food before 12 months?
No. It is recommended to keep them on kitten food until 12 months old, following veterinary guidance.
🐾 This content was produced by British Village
Based on our daily experience as specialized British Shorthair breeders, we share both technical and practical knowledge to support loving cat owners.