Moving to the UK with Your Pet: The Post-Brexit Guide [2026]

Brexit changed pet travel to the UK — but not as dramatically as many people feared. EU Pet Passports are still accepted for pets entering Great Britain from EU countries. No quarantine, no RNATT, no import permit. The process is manageable. What Brexit did change is the paperwork chain, the role of the Animal Health Certificate (AHC), and — since April 2026 — the rules for UK residents taking their pets to EU countries. This guide covers the current requirements clearly, including what's changed, what hasn't, and what the XL Bully ban means for your move.

What Brexit Changed — and What It Didn't

The single biggest source of confusion about UK pet travel is the post-Brexit rule change — and specifically, what it means for EU Pet Passports. Here is the clear picture:

Step-by-Step: UK Pet Entry Requirements

1. 1
   ISO Microchip — before everything else

   A 15-digit ISO 11784/11785 microchip must be implanted before the rabies vaccination is administered. If the vaccination was given first, it does not count — the pet must be revaccinated after microchipping. This is one of the most common mistakes in UK-bound pet relocations.

2. 2
   Rabies Vaccination

   A valid rabies vaccination is required. It must be administered after the microchip is implanted. The vaccine must be within its validity period on the date of travel. If the pet is receiving its first rabies vaccine, a minimum 21-day wait before travel applies.

   Minimum 21 days before travel if primary vaccination
3. 3
   Animal Health Certificate (AHC) — or valid EU Pet Passport

   An AHC must be issued by an Official Veterinarian (OV) authorised by the origin country's official veterinary authority. It covers one journey only — a new AHC is needed for every trip. Valid for 10 days from issue for entry into Great Britain, and for 4 months for onward travel within GB after entry. An EU Pet Passport issued in a Part 2 listed country is accepted as an alternative.

   Issued within 10 days before travel
4. 4
   Tapeworm Treatment (dogs only)

   Dogs must be treated for Echinococcus tapeworm by a licensed veterinarian. The treatment must be administered between 1 and 5 days before the pet's scheduled arrival in Great Britain — not earlier. The treatment date, product name, and dose must be recorded in the AHC or EU Pet Passport. Cats do not require tapeworm treatment.

   Strictly 1–5 days before arrival — cannot be done earlier

The Animal Health Certificate (AHC): What It Is and How It Works

The AHC is the UK's post-Brexit equivalent of the EU Pet Passport for non-EU-origin pets — and the preferred alternative for EU-origin pets whose owners want a standardised document. Unlike the EU Pet Passport (which is a lifelong document), the AHC is single-use: it covers one outbound journey and expires after 10 days from issue.

For occasional travellers — those relocating to the UK permanently or making one trip — the AHC is straightforward. For frequent travellers (e.g. people who spend time between the UK and an EU country), the per-journey AHC cost adds up. This is one of the most significant practical impacts of Brexit on pet owners.

Dogs vs. Cats: Requirements at a Glance

Breed Restrictions: The Dangerous Dogs Act and XL Bully Ban

The UK Dangerous Dogs Act bans four breeds from being kept, bred, sold, or imported. A fifth breed — the XL Bully — was added in 2023/2024 and cannot be imported without a Certificate of Exemption.

Banned breeds (cannot enter Great Britain):

Type-matching: A dog does not need to have pedigree papers or be formally registered as a banned breed to be subject to the ban. If a dog physically resembles a banned breed type, UK authorities may classify and treat it as prohibited. This applies particularly to crossbreeds and mixed-breed dogs that share physical characteristics with Pit Bull types. If your dog's appearance is ambiguous, seek advice from a certified pet relocation specialist before booking travel.

Cats: No breed restrictions of any kind apply to cats entering the UK.

Airlines: Flying Your Pet to the UK

Most pets travelling to the UK fly as cargo. There is no cabin pet option on routes between most major international origins and the UK, due to flight duration and airline policies.

Preparation Timeline

The UK is one of the faster destinations for pet relocation — for a full comparison across countries, see How Long Does Pet Relocation Take? The main time constraint is the 21-day post-vaccination wait if the rabies vaccination is not current. If it is already current, the process can be completed in 3–4 weeks.

Minimum recommended preparation time: 4–6 weeks (if rabies vaccination is not current). If rabies is already current and the microchip is correctly implanted, 3–4 weeks is achievable.

Common Mistakes

• Vaccination before microchip. If the rabies vaccination was administered before the microchip was implanted, it does not count for UK entry. The pet must be revaccinated after the microchip is in place, and the 21-day wait starts again from the new vaccination date.
• Tapeworm treatment too early. Treating the dog more than 5 days before the UK arrival date means the treatment is out of window. It must be repeated within the 1–5 day window. This is the most common last-minute complication on UK-bound relocations.
• Booking Ryanair or easyJet. These airlines do not accept pets under any circumstances. Always confirm pet cargo acceptance with the airline before booking.
• Assuming the AHC is reusable. Each AHC covers one journey only. If travel plans change, a new AHC must be issued. Budget for this accordingly, especially for frequent travellers.
• Not checking XL Bully status. If you have an XL Bully type dog and are planning to relocate to England or Wales, the import ban applies. Scotland has different legislation — verify separately.
• Assuming EU → UK rules are the same as UK → EU. Since April 2026 these are different. GB residents travelling to the EU now need an AHC, not an EU Pet Passport.