Trespass Law in the UK: Civil vs Criminal Trespass Explained

The Most Misunderstood Law in the UK

"Trespassers will be prosecuted." You see this sign everywhere. And in the vast majority of cases, it's misleading. Simple trespass in England and Wales is not a criminal offence — it's a civil wrong (a tort). You can't be prosecuted for it in the criminal sense.

This distinction matters enormously for anyone who spends time outdoors, particularly wild campers, walkers who stray from paths, and anyone exploring the countryside.

Civil Trespass

Trespass occurs when you enter or remain on someone's land without permission or legal right. In England and Wales, this is a civil matter between you and the landowner.

What Can the Landowner Do?

If you're trespassing, the landowner (or their authorised representative) can:

• Ask you to leave. If you're asked to leave and you go, that's usually the end of it.
• Use reasonable force to eject you. In practice, this is rare and the level of force must be proportionate.
• Sue for damages. If you've caused actual damage to the land, crops, or property, they can take civil action against you. But if you've caused no damage (you just walked across a field), there's usually nothing to claim for — nominal damages only.
• Seek an injunction. If you're a repeat trespasser, a court order can be obtained to prevent further trespass.

What the Landowner Cannot Do

• Have you arrested for simple trespass (it's not criminal)
• Confiscate your property (your tent, rucksack, etc.)
• Use unreasonable force against you
• Detain you against your will (that's false imprisonment)

What You Should Do

If a landowner asks you to leave:

1. Be polite. Apologise, explain you didn't mean to cause any issues.
2. Leave promptly. Pack up calmly and go. Don't argue about your rights.
3. Leave by the route suggested or the nearest public right of way.
4. Don't return to the same spot. Repeated trespass strengthens the landowner's position.

Criminal Trespass

While simple trespass isn't criminal, several forms of trespass are:

Aggravated Trespass

Under Section 68 of the Criminal Justice and Public Order Act 1994, it's a criminal offence to trespass on land and intentionally obstruct, disrupt, or intimidate people engaged in a lawful activity. This was originally aimed at hunt saboteurs but applies more broadly.

The key elements:

• You must be trespassing (on land in the open air)
• There must be a lawful activity taking place on the land
• You must intend to disrupt, obstruct, or intimidate those carrying out the activity

Aggravated trespass carries a penalty of up to 3 months' imprisonment or a fine.

Trespass on Railway Land

It's a criminal offence under the Railway Regulation Act 1840 and the British Transport Commission Act 1949 to trespass on railway property. This is taken very seriously — people on railway lines risk death and cause massive disruption.

Trespass on Protected Sites

The Serious Organised Crime and Police Act 2005 makes it a criminal offence to trespass on designated protected sites (military bases, royal palaces, nuclear installations, etc.).

Squatting in Residential Buildings

Since 2012, squatting in a residential building has been a criminal offence under Section 144 of the Legal Aid, Sentencing and Punishment of Offenders Act 2012.

Scotland

Scottish trespass law is different. Thanks to the Land Reform (Scotland) Act 2003, there's a broad right of responsible access to most land. However, trespass still exists in Scots law where you're not exercising access rights responsibly.

The key difference: in Scotland, you're less likely to be trespassing in the first place because of the right of access. But if you're doing something irresponsible — camping next to someone's house, lighting fires carelessly, leaving litter — you may lose the protection of the access rights.

Those "Private Property" Signs

A few things about signage:

• "Trespassers will be prosecuted" — usually misleading. Simple trespass can't be prosecuted criminally.
• "Private property — keep out" — indicates you don't have permission, but doesn't change the civil nature of trespass.
• "Access land" signs — mean you do have a legal right of access under the CRoW Act.

However, "MOD property — trespassers will be prosecuted" on military land is accurate — trespass on protected sites is criminal.

Practical Considerations

For outdoor enthusiasts, trespass law comes up most often in the context of:

• Wild camping — pitching on private land without permission is trespass, but it's civil. See our wild camping guide.
• Straying from paths — leaving a public right of way onto private land is trespass, but again, civil.
• Crossing private land — if there's no right of way, you're trespassing. But if you cause no damage and leave when asked, the consequences are minimal.

The practical reality is that most landowners are reasonable. If you're respectful, cause no damage, and leave when asked, legal action is extremely unlikely. The system largely works on mutual respect and common sense.

Staying on the Right Side of the Law

For most outdoor enthusiasts, the practical takeaway from trespass law is this: know where you have a right to be, and when you don't, behave impeccably. Civil trespass rarely causes problems for people who are respectful, low-impact, and willing to move when asked.

Understanding trespass law isn't about finding loopholes — it's about knowing where you stand so you can make informed decisions about where you go and how you behave when you get there. The UK countryside is full of brilliant places to explore legally, from access land and public rights of way to permissive paths and land with willing landowners. Use them.

Useful Kit for Responsible Countryside Access

Related Guides

• Wild camping law in England and Wales
• Right to roam
• UK outdoor law overview