Dog microchipping

It is a legal requirement to have your dog microchipped. If you haven’t had your dog microchipped, you may be fined or prosecuted.

You must make sure your dog is fitted with a microchip by the time it’s 8 weeks old. If buying a puppy, you should ask for proof a microchip has been fitted, as breeders need to ensure this before they are sold.

You can ask to see any of the following as proof:

  • microchip certificate
  • vet records
  • pet passport

You must make sure the microchip details are updated once you have bought the dog. You are responsible for keeping your dog’s microchip information up to date, for example if you move house.

Our animal wardens can microchip your dog for free. To book a visit from a warden, please email awarden@westminster.gov.uk, or alternatively attend one of our upcoming events:

  • Tuesday 11 June from 10am until 2pm at Paddington Street Gardens (north side), Paddington Street, W1U 4AL
  • Thursday 20 June from 11am until 2pm at Shrewsbury Gardens, Shrewsbury Road, W2 5PW
  • Sunday 30 June from 11am until 3pm at Paddington Recreation Ground, Randolph Avenue, W9 1PD
  • Saturday 6 July from 10am until 4pm in Regents Park, next to the Broad Walk Cafe, Broad Walk, NW1 4NU
  • Thursday 18 July from 11am until 3pm at St Georges Square Gardens, St Georges Square, SW1V 3RD
  • Tuesday 23 July from 11am until 3pm at Westbourne Green Open Space, Bourne Terrace, W2 6PP

A licensed vet or charitable organisation like Mayhew Animal Home or the Dog's Trust can also microchip your dog for a small fee.


Last updated: 22 May 2019
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