6 To 12 Month Old Pedigree Mastiff Puppies For Sale In Harpenden, Hertfordshire

6 To 12 Month Old Pedigree Mastiff Puppies For Sale In Harpenden, Hertfordshire

Find Mastiff puppies for sale in Harpenden, Hertfordshire. Compare listings from trusted local breeders and sellers, including KC registered and health tested litters.

This page helps you compare puppies available in and around Harpenden, whether you are looking for a local litter or are open to nearby parts of Hertfordshire.

New to buying a Mastiff puppy? Read our puppy buying guide, breed information and buying checklist to help you choose the right puppy and breeder.

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  • Female Rottweiler male mastiff cross 5

    Female Rottweiler male mastiff cross

    2 weeks ago
    • Ready Now
    • 3 Adult Dogs

    2 year old female rotweiler brilliant with children house trained, 1 year old bull mastiff boxer mix brilliant with children house trained genuine reason for sale owner moving abroad 450 each or 800 pound together

    £400

    C

    Coral

    Private seller in Bridgwater, Somerset (122 miles)

  • Puppy 3

    Puppy

    • Ready Now
    • 1 Male Puppy

    Lovely puppy looking for new home been brought up in family home with kids mum and dad available to view as family pets call or text for more information

    £1,000

    B

    Brooklyn

    Private seller in Keith, Moray (410 miles)

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Frequently Asked Questions

  • Based on our internal marketplace analysis from the last 6 months, a Mastiff puppy typically costs between £650 and £950, with an average price of £800. Note that premium prices usually reflect Kennel Club (KC) registration and litters from parents with verified health tests, such as hip and eye scores, which we strongly recommend for health security. Market data verified: 4th October, 2026

  • You can find Mastiffs through our localized search, which filters for licensed and Kennel Club Assured Breeders in and around the Harpenden area. Under UK law, any breeder producing three or more litters a year must hold a local council license. We recommend always visiting the puppy at the breeder's home to view the license and observe the mother (Dam) interacting with the litter to ensure high welfare standards.

  • Key things include health checks, vaccinations, pedigree documents, breeder reputation, and the puppy's temperament. Our site features detailed adverts and breeder profiles to help you make an informed decision. Read our Mastiff Buyers Guide for more information.

  • Licensed breeders meet high standards for animal welfare and breeding ethics. mastiff-owners.co.uk highlights licensed breeders so you can trust you're getting a well-cared-for puppy.

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