Boundary disputes tend to start small: a new fence, an extension, a hedge that has crept over time. A neighbour boundary dispute can quickly become stressful and expensive, partly because the paperwork is rarely as precise as people expect. The aim of this guide is to help you establish the facts calmly and choose the most proportionate way to resolve things.
Before you act: do not pull down a fence or move a boundary marker yourself. It can escalate matters quickly and may expose you to a claim for trespass or damage.
Step 1: Understand what the title plan does and does not show
Most homes in England and Wales are registered with HM Land Registry. You can download the title register and title plan for your property and your neighbour’s online for a small fee. The important point is that title plans normally show general boundaries only. The red line indicates roughly where the boundary sits, not its exact position on the ground, so a plan alone rarely settles a dispute about a strip of a few feet.
Step 2: Gather your evidence
- Older deeds and conveyances, which sometimes contain more detailed plans or measurements
- Photographs over the years, including estate agent listings and online street imagery
- Physical features: the line of old walls, fence posts, hedges and ditches
- Any “T marks” on deed plans, which can show who owns and maintains a boundary feature
- Statements from previous owners or long-standing neighbours
Step 3: Talk, then put it in writing
Many disputes are misunderstandings. A calm conversation, ideally with the plans in front of you both, resolves more cases than any other step. If you reach agreement, record it in writing with a simple sketch, and consider formalising it with a boundary agreement so it binds future owners.
Step 4: Instruct a chartered surveyor
If you cannot agree, an independent surveyor who specialises in boundaries (look for RICS members) can analyse the deeds and the site and give an expert view on where the legal boundary lies. Neighbours sometimes agree to jointly instruct one surveyor and share the cost, which is often the cheapest route to a resolution both sides accept.
Step 5: Try mediation
Mediation is confidential, much cheaper than court and usually faster. A trained mediator helps you both reach a practical agreement, which can cover more than the line itself: who pays for a new fence, access for maintenance, or how a shared hedge is managed. Courts expect parties to have considered it and can penalise people who unreasonably refuse.
Step 6: Consider a determined boundary application
If you need the exact line fixed, you can apply to HM Land Registry for a determined boundary, supported by a detailed surveyor’s plan. Your neighbour is notified. If they object and the matter cannot be agreed, it is referred to the First-tier Tribunal (Property Chamber), which will decide.
Step 7: Court as a last resort
Boundary cases that go to court can cost far more than the land in question is worth, and the loser usually pays a large share of the winner’s legal costs. Take legal advice before issuing a claim. The courts expect you to have followed their general pre-action conduct rules, and many practitioners also use the voluntary Boundary Disputes Protocol as a guide to the steps to take first.
Related issues worth knowing about
Building on or near the boundary
If you or your neighbour plan works on a shared wall, a new wall on the boundary, or certain excavations nearby, the Party Wall etc. Act 1996 requires written notice to the adjoining owner. Failing to serve notice is a common trigger for disputes.
High hedges
If a neighbour’s evergreen hedge is blocking light and talking has failed, you can complain to your local council under the high hedges rules. Councils usually charge a fee and expect evidence that you tried to resolve it first.
Selling your home
Sellers must disclose disputes with neighbours on the standard property information form. An unresolved boundary dispute can put buyers off or delay a sale, which is another good reason to settle it early.
Getting help
If talking has not worked, or the dispute is holding up a sale, boundary dispute solicitors can review the deeds and the surveyor’s evidence and tell you whether the cost of going further is justified.
Sources
Checked against the law in England and Wales on 30 September 2026.