How to make an adverse possession claim in the UK

You've done the years. A patch of land you found neglected, fenced off, looked after quietly, kept everyone else away from. Whether it's twelve patient years on an unregistered scrap or ten on registered land you've treated as your own, at some point the question shifts from "am I allowed to do this?" to "right, so how does this actually become mine?"

That's what this article is for. Not the theory (for that, read adverse possession and the UK 12-year rule explained), but the mechanics: what forms you fill in, what you need to prove, what HMLR does with it, and what happens if someone pushes back.

First: registered or unregistered?

Everything about the application turns on this one question. The two types of land follow completely different routes, and the gap between them is not small.

Unregistered land is the more straightforward path. After 12 years, the old owner's title is extinguished by the Limitation Act 1980 (sections 15 and 17). Nobody gets notified. You apply for first registration and, if the evidence is in order, you become the registered proprietor.

Registered land is harder. The Land Registration Act 2002 redesigned the rules to slow things down. After 10 years you can apply, but the registered owner is notified and can stop you cold. More on that below.

If you don't yet know which type of land you're dealing with, that's the first step. What INSPIRE Index Polygons are and how to use them explains the free dataset that shows you which parcels are registered and which are not.

Claiming unregistered land: the 12-year route

What you need to prove

The substantive test is the same for both types of land. You need to show two things, and you need both.

Factual possession: physical control of the land. You've fenced it, cultivated it, grazed it, locked the gate, kept everyone else out including the paper owner. A reasonable person walking past should look at it and think: somebody is clearly in charge here. Fencing is the strongest single indicator, but it isn't the only one. The question is whether you dealt with the land in the way an owner would.

Intention to possess: not that you believed you owned the land, but that you intended to hold it for yourself, to the exclusion of everyone else. Not borrowing it, not caretaking it. Treating it as yours. The test comes from Powell v McFarlane 1979 38 P&CR 452 and has been applied at the highest levels since. Intention is judged by your acts, not your private thoughts: the fence, the lock, the work are what show it.

Both must be continuous (no significant breaks), open (not concealed from the owner), and without the owner's consent. The moment you ask permission or accept any kind of licence, the clock resets to zero.

The application

Once the 12-year period is up, you apply to HM Land Registry for first registration. The main form is FR1, the standard first registration form. You attach a DL form (a list of title documents, which in an adverse possession case will be your evidence rather than deeds) and a statement of truth, for which HMLR publishes an ST1 template.

Practice Guide 5 covers the unregistered land application in full. It is worth reading before you submit, because the requirements for the statement of truth are specific.

The registration fee depends on the value of the land. As of December 2024, first registration of land valued up to £80,000 costs £45 by post. For land valued between £100,001 and £200,000, it is £230. Fees scale up from there. Current fees are published on gov.uk.

HMLR will typically arrange an Ordnance Survey inspection before registering you, to confirm the boundary of your claim matches the land on the ground. Make sure your description is accurate.

What happens next

If the evidence is in order and there's no competing claim, HMLR registers you as proprietor. You get a title number. The land is yours in paper as well as in practice.

If there are gaps in the evidence, HMLR raises them as requisitions, and you have to address them. A missing period of continuous use, an unclear boundary description, or an incomplete statement of truth are common causes. This is where having a solicitor involved from the application stage saves time and money.

Claiming registered land: the 10-year route

How the notification works

This is the part that makes registered land more complicated than it sounds. Schedule 6 of the Land Registration Act 2002 sets out the mechanism, and it was designed specifically to give the registered owner a chance to recover their position.

You apply using form ADV1, accompanied by a statement of truth on form ST1. Once HMLR receives the application, it notifies the registered proprietor, any mortgage lender with a charge on the land, and any superior landlord if the land is leasehold. Practice Guide 4 covers the registered land process in full.

Those notified have 65 working days to respond. That's roughly thirteen calendar weeks. Their options are: consent to the application, do nothing, or serve a counter-notice on form NAP.

If no counter-notice is served, you are registered as proprietor automatically once the period expires.

If the owner objects

Most registered owners who get a letter telling them someone has been using their land for ten years do not do nothing. They serve a counter-notice. When they do, your application is rejected unless you can satisfy one of three narrow conditions under Schedule 6, paragraph 5:

Estoppel: the registered owner's conduct led you to believe the land was yours, and it would now be unconscionable for them to deny it.
Some other entitlement: you have a right to be registered for another reason, such as an unperfected transfer or a right under a trust.
Boundary mistake: you reasonably believed the land was yours because it lies adjacent to your registered title and you genuinely mistook where the boundary fell.

A paddock you've been farming on the grounds that nobody else seemed to want it does not usually fit any of these. The conditions are narrow by design. The 2002 Act intended to make adverse possession of registered land difficult. It succeeded.

The two-year window

If your first application is rejected after a counter-notice, you can apply again after two more years of adverse possession. On a second application, registration is automatic unless the registered owner has in the meantime taken possession proceedings against you and succeeded, or taken physical possession themselves.

Those two years are your risk period. The owner now knows you exist, knows what you're doing, and has two years to do something about it. Some do. Some don't.

Building your evidence file

Whatever route you're on, the outcome turns on evidence. The Grahams won Pye v Graham in the House of Lords partly because they could show exactly what they had done and when. Build that record from the first day of possession, not when you decide to apply.

What matters:

Photographs, ideally dated and geolocated. Taken regularly over the years, not just at the start.
Receipts for any work done on the land: materials, machinery hire, fencing, livestock. Anything showing you spent money on it as an owner would.
Witness statements from people who have seen you use the land. Neighbours, local farmers, anyone who can say you were there, continuously, for years.
Correspondence connected to the land: any letters, quotes, or bills addressed to you in relation to it.
Plans or maps showing the extent of the land you've enclosed and maintained.

Keep everything in one place, in order of date, with an honest account of any gaps in use and the reason for them. A claim assembled retrospectively reads as such. A consistent documented history reads as truth.

Common reasons applications fail

The most frequent causes of collapsed claims:

The clock reset. At some point, you asked permission, signed a licence, or communicated with the owner in a way that acknowledged their title. The period restarts from zero when that happens. Even a polite enquiry can do it.

The use wasn't exclusive. Letting the public walk a path across the land, leaving a gate unlocked, or failing to keep others out undermines factual possession. Using land regularly is not the same as possessing it to the exclusion of everyone else.

The 12 (or 10) years aren't fully there. People count from when they remember starting, not from when they can prove. HMLR looks for the evidence, and memory without documentation is not enough.

The boundary doesn't match the claim. The extent of your application has to match the extent of your possession. Claiming more than you can prove, or describing the land inaccurately, stalls or kills the application.

The land is registered and you moved too slowly. If the owner discovers what you're doing and takes possession proceedings before your 10 years are complete, the clock stops. Acting before you're ready is a risk; so is waiting longer than you need to.

The solicitor question

Nothing here replaces a solicitor who does property litigation. Adverse possession turns on specific factual details: precise dates, the exact extent of possession, the status of any communications with the owner over the years. A specialist will have seen the failure modes and will know what HMLR expects to find in an application.

Engage one early. Before you apply if possible, not after you've had something rejected. The Law Society's Find a Solicitor tool lists practitioners by area of practice. Look for someone who does property litigation or contentious land work.

The cost of advice at the application stage is small compared to the cost of a failed application or a contested claim at the First-tier Tribunal.

Where the gap starts

Before any of this, you need the gap. A piece of land with no registered freehold drawn over it, neglected and forgotten. That is what Edgelands maps: every registered freehold in England and Wales, with the unregistered gaps left visible. Pan around your area, find the land with nothing drawn over it, and start asking questions about what it is and who might own it. £5 a month, 7-day free trial.

Edgelands is a research tool for finding and mapping unregistered land. It shows you the gaps, which is the part that's genuinely hard to do for yourself. The forms, the evidence file, and the twelve years are the chapter that follows. A property solicitor should be in that chapter from early on.

Find the gap. Then find the person who does this for a living.

FAQ

How long do you have to occupy land before you can claim it in the UK? It depends on whether the land is registered. Unregistered land takes twelve years of adverse possession under section 15 of the Limitation Act 1980, after which section 17 extinguishes the former owner's title. Registered land takes ten years under Schedule 6 of the Land Registration Act 2002, but reaching ten years earns you the right to apply, not the land itself.

What form do you use to make an adverse possession claim? For registered land, form ADV1. For unregistered land you are not so much making a claim as applying for first registration, which uses form FR1 together with a statement of truth on form ST1. Both routes go to HM Land Registry.

What do you have to prove for adverse possession? Two things, and you need both. Factual possession, meaning you have dealt with the land as an occupying owner would and kept everyone else off it, and an intention to possess it for yourself. Possession with the owner's permission is not adverse, so a licence or a tenancy stops the clock.

Can the registered owner stop an adverse possession claim? On registered land, usually yes. HM Land Registry notifies the registered proprietor, who has 65 working days to serve a counter-notice on form NAP. That defeats the application unless you fall within one of the three conditions in paragraph 5 of Schedule 6, the most common being the boundary condition where you reasonably believed the land was yours.

Do you need a solicitor for an adverse possession claim? Nothing stops you applying yourself, but adverse possession is decided on fine factual detail and the evidence you file is what the decision rests on. A solicitor who does property litigation is worth talking to early rather than after an application has been rejected.