Grey Squirrel Trapping in the UK: Laws, Methods & Best Practices (2025 Guide)

1 May

Grey Squirrel Trapping in the UK: Laws, Methods & Best Practices (2025 Guide)

Grey squirrels, though cute to some, are a serious problem for both native wildlife and property owners across the UK. Introduced from North America in the 19th century, grey squirrels have since displaced much of the native red squirrel population and are classified as an invasive species. In this guide, we’ll cover everything you need to know about trapping grey squirrels in the UK, including legal requirements, humane trapping methods, and important tips to ensure effective control.

Why Trap Grey Squirrels?

Grey squirrels cause numerous problems in the UK, such as:

Threatening red squirrels by carrying the squirrelpox virus, to which greys are immune but reds are not.
Damaging trees by stripping bark, which can kill young trees.
Invading homes and damaging loft insulation, wires, and timbers.

If you’re facing these issues, trapping may be a necessary part of a wider control strategy.

Is It Legal to Trap Grey Squirrels in the UK?

Yes — but with strict rules.

Under the Wildlife and Countryside Act 1981 and the Invasive Alien Species (Enforcement and Permitting) Order 2019, it is legal to trap grey squirrels, but once caught, they cannot be released back into the wild. Doing so is illegal and can result in prosecution.

Traps must also be approved by DEFRA. Only certain live-capture and kill traps are permitted, and these must be used humanely.

Types of Grey Squirrel Traps

Live-Capture Traps (Cage Traps)
- Must be checked at least once every 24 hours.
- Once caught, squirrels must be humanely dispatched.
- Do not release elsewhere — this is illegal.
Spring Traps (Kill Traps)
- Must be listed on the Spring Traps Approval Order.
- Should only be used by trained professionals due to risk to non-target species.
Squirrel Proofing + Repellents
- Trapping is most effective when combined with prevention techniques like tree guards, bird feeder protection, and building repairs.

Best Practices for Trapping Grey Squirrels

Use bait such as peanuts or maize inside traps.
Place traps in active areas, such as near trees, fences, or known entry points.
Check traps frequently to avoid unnecessary stress to the animal.
Always follow DEFRA guidance on dispatch methods if using live traps.

Hiring a Professional

If you're unsure how to trap grey squirrels legally and humanely, it’s often best to contact a licensed pest control professional. They’ll ensure traps are used correctly, in compliance with UK law, and that animals are dispatched ethically.

Final Thoughts

Trapping grey squirrels in the UK is a vital step toward protecting native wildlife and reducing property damage — but it must be done responsibly. By following legal guidelines and best practices, you can control populations effectively and ethically.