PETS:
How to bring your pet dog or cat into or back into the UK under the Pet Travel Scheme (PETS)
Pet dogs and cats (including guide and hearing dogs) that are resident in either the United Kingdom or one of the other qualifying (listed) countries can enter or re-enter the UK without quarantine provided they meet the rules of the Scheme.
To bring your dog or cat into the UK under PETS from one of the listed countries you must have it first microchipped, then vaccinated against rabies and then blood tested. There are no exceptions to this order of preparation apart from the exemption explained in the next sentence. If your pet is resident in certain countries these procedures may be done in a different order.
Have your pet microchipped
Before any of the other procedures for PETS are carried out, your pet must be fitted with a microchip so that it can be properly identified.
Have your pet vaccinated
After the microchip has been fitted your pet must be vaccinated against rabies. There is no exemption to this requirement, even if your pet has a current rabies vaccination
Arrange a blood test
After your pet has been vaccinated, it must be blood tested to make sure that the vaccine has given it a satisfactory level of protection against rabies.
Get PETS documentation
For animals being prepared in an EU country, you should get an EU pet passport. If you are preparing your animal in a non-EU listed country you will need to obtain an official third country veterinary certificate although note that Gibraltar, Norway, San Marino and Switzerland are also issuing passports.
Before your pet enters the UK, it must be treated against ticks and a tapeworm
Your pet must be treated against ticks and tapeworms not less than 24 hours and not more than 48 hours before it is checked in with an approved transport company for its journey into the UK.
Arrange for your animal to travel with an approved transport company on an authorised route
Your pet must enter the UK from a listed country travelling with an approved transport company on an authorised route.