Certain dogs have bigger than average growth spurts from puppyhood to full-grown adult.Certain dogs have bigger than average growth spurts from puppyhood to full-grown adult.
Certain dogs have bigger than average growth spurts from puppyhood to full-grown adult.

Fast Growing Dogs: These are the 10 breeds of adorable dog who grow quickest - including the loving Golden Retriever 🐕

These are the dogs that undergo the biggest transformation from tiny puppies to full-grown dogs.

By David Hepburn
Published 13th Apr 2023, 12:03 BST
Updated 12th Apr 2024, 12:11 BST

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Whilst buying or adopting an adorable puppy spontaneously may sound like a great idea, certain breeds of dog can double or even triple in size from pups to adults.

Many people are sadly simply not prepared for how money, effort and space is necessary to keep some dog breeds.

That's why it’s important to realise that the cute puppy you’ve been considering adding to your family will end up being a very different animal when it reches adulthood.

To help out pet insurance company PetPlan has analysed the size growth of 60 of the UK’s most popular dog breeds, comparing how tall they are as puppies (eight weeks) to the size they are at fully grown (one year).

Here are the 10 pups that grow the most.

For all the latest dog news, pictures, advice and information, join our Scotsdog Facebook group here

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English Springer Spaniels are the dogs that grow the most from puppy phase to adulthood. They grow to more than three times their puppy size - a whopping 317 per cent.

1. English Springer Spaniel

English Springer Spaniels are the dogs that grow the most from puppy phase to adulthood. They grow to more than three times their puppy size - a whopping 317 per cent. Photo: Canva/Getty Images

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Golden Retrievers are the dog breed with the second biggest puppy to adult height growth with on average a 267 per cent increase in height.

2. Golden Retriever

Golden Retrievers are the dog breed with the second biggest puppy to adult height growth with on average a 267 per cent increase in height. Photo: Canva/Getty Images

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The beautiful Dobermann grows on average 243 per cent taller between two weeks and one year.

3. Dobermann

The beautiful Dobermann grows on average 243 per cent taller between two weeks and one year. Photo: Canva/Getty Images

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Weimaraners ranked as the third dogs with the biggest difference between their puppy size and their adult size - 257 per cent.

4. Weimaraner

Weimaraners ranked as the third dogs with the biggest difference between their puppy size and their adult size - 257 per cent. Photo: Canva/Getty Images

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