Horse Microchipping Law UK: What Every Owner Must Know (2026)

Quick answer: UK law requires all horses, ponies, and donkeys to be microchipped. Since 2009 all newly-passported equines must be chipped; since October 2020 in England (with equivalents in Scotland and Wales) all equines — including older horses passported before 2009 — must be microchipped retrospectively. Only a vet can do it. The chip number is recorded in the passport and the Central Equine Database. Non-compliance is a criminal offence — local authorities can require chipping within 21 days, with fines up to £200 or more.

The law

Microchipping requirements come from the Equine Identification Regulations:

• 2009 — all newly-passported horses must be microchipped
• October 2020 (England) — retrospective requirement: ALL equines must be microchipped, including those passported before 2009
• Scotland and Wales have equivalent retrospective requirements

The microchip links the physical animal to its passport, preventing passport fraud and helping reunite lost or stolen horses with owners.

Who can microchip a horse

Only a registered veterinary surgeon can microchip a horse in the UK. The procedure:

• The chip is implanted into the nuchal ligament (in the crest of the neck, on the left side)
• Local anaesthetic may be used
• The vet scans to confirm the chip works
• The chip number is recorded in the passport (Section corresponding to identification)
• The vet or PIO records the chip in the Central Equine Database

Cost

Typically £20-£40 for the chip and implantation, plus the vet's call-out fee. To save money, many owners have the chip done during a routine visit — vaccination, dental, or other scheduled care.

The Central Equine Database (CED)

The CED at equineregister.co.uk is the UK's central record:

• Links every microchip to its passport and issuing PIO
• Lets local authorities and police identify horses
• Helps reunite lost, stolen, or straying horses with owners
• Supports enforcement of the identification regulations

Owners can access their horse's record via the National ChipChecker on the CED.

Why microchipping matters beyond the law

• Theft recovery — a chipped horse can be identified and returned
• Straying — fly-grazing and abandoned horses can be traced to owners
• Welfare enforcement — links neglected animals to responsible keepers
• Passport integrity — prevents one passport being used for multiple horses

Penalties for non-compliance

• Local authorities can serve a notice requiring microchipping within 21 days
• Failure to comply: fines up to £200 (fixed penalty) or more on prosecution
• Restricts your ability to move, sell, or have the horse treated
• At slaughter, an unchipped horse cannot be properly identified

Common questions owners get wrong

1. Assuming older horses are exempt — they're not, the 2020 retrospective rule applies to all
2. Thinking a passport alone is enough — the chip must be present and recorded
3. Not updating the CED when buying a horse
4. Believing a dog/cat chip scanner won't read a horse chip — they use the same ISO standard

FAQs

Does microchipping hurt the horse?

It's a quick procedure causing minimal discomfort — comparable to a vaccination. A vet may use local anaesthetic.

Can I microchip my own horse?

No — only a veterinary surgeon can legally microchip a horse in the UK.

What if my horse already has a chip but it's not in the passport?

Have a vet scan and confirm the chip, then update the passport and CED record via your PIO.

Do I need to update the microchip record when I move house?

Update your keeper details with the PIO and the CED so the horse can be traced to your current address.

Related guides

• Horse passports UK: complete guide
• Lost horse passport: replacement process
• Buying or selling a horse: documents you need
• Horse microchipping law UK

Last reviewed 2026-06-08 by Jamie Dawson, Editor.