2nd June 2026  |  Commercial Litigation

How to Resolve a Dispute Over Commercial Property Boundaries

Disputes over commercial property boundaries are far more than administrative headaches; they are significant legal and practical challenges that can severely disrupt operations, development plans and business stability.

Many commercial property disputes arise because HM Land Registry title plans generally show only approximate boundaries rather than precise legal lines. Disagreements can have knock-on effects and impact day-to-day operations, development opportunities and commercial relationships.

Early legal intervention can help preserve evidence, encourage negotiation and avoid costly litigation wherever possible.

What Is a Commercial Property Boundary Dispute?

A commercial property boundary dispute arises when there is disagreement between two or more commercial landowners about the precise location, extent or ownership of the dividing line between their respective properties.

It’s important to distinguish between physical boundaries and legal boundaries.

Physical boundaries refer to the visible features that separate one property from another, such as fences, walls or the edges of buildings. The Land Registration Act 2002 operates under a “general boundaries” system, meaning the title plans usually indicate only the general position of a boundary rather than the exact legal line.

Boundary disputes involving commercial premises can be particularly complex and expensive due to the value of the land and the potential for operational disruption.

How Do I Handle a Dispute Over Commercial Property Boundaries?

Commercial property owners should take an evidence-based approach. Acting quickly and obtaining professional advice early can significantly reduce legal and financial risk.

Review the Property Documents

The first step is to collect all relevant documentation connected to the property. This may include:

  • Title deeds
  • Lease agreements
  • Land Registry title plans
  • Transfer documents
  • Historical conveyances

These documents may clarify ownership rights, access arrangements, maintenance responsibilities and historical use of the land. In commercial matters, lease provisions and rights granted to tenants can also play a significant role.

Gather Evidence

It’s essential to gather supporting evidence for a boundary dispute. Property owners should gather:

  • Professional surveys
  • Photographs
  • Correspondence between parties
  • Evidence of historical use or occupation

Comprehensive evidence can help establish legal boundaries, as well as strengthen negotiation efforts.

Speak to the Other Party Early

Early communication is often beneficial. Commercial property disputes can escalate rapidly if parties adopt entrenched positions or begin works before matters are resolved.

Constructive dialogue at an early stage may help preserve commercial relationships and avoid legal costs. In many cases, disputes arise from misunderstandings rather than deliberate encroachment.

However, care should be taken not to prejudice your legal position before the available evidence has been fully considered.

Instruct a Chartered Surveyor

A chartered surveyor with experience in boundary disputes can provide an independent assessment of the position. Surveyors may prepare detailed boundary surveys and expert reports that analyse deeds, measurements, historical plans and physical features.

In many cases, expert evidence will be central to resolving the dispute.

Seek Legal Advice

Specialist commercial property solicitors and commercial litigation solicitors should be instructed as early as possible. Commercial property solicitors can advise on title, boundary, lease and Land Registry issues, while commercial litigation solicitors can assist where proceedings or formal dispute resolution may be required.

Early legal advice can also help avoid procedural mistakes and ensure that any negotiations or agreements are properly documented and enforceable.

They can also advise on the appropriate route to resolution, including negotiation, Land Registry applications or court proceedings where necessary.

Can Commercial Boundary Disputes Be Resolved Without Going to Court?

Before resorting to costly and time-consuming litigation, parties should explore Alternative Dispute Resolution (ADR) wherever possible. Research commissioned by the Ministry of Justice found that many boundary disputes are resolved through mediation and other forms of dispute resolution rather than full court proceedings.

The primary objectives of ADR are to reduce legal costs, secure a faster resolution and preserve important business relationships. Courts increasingly expect parties to demonstrate that they have made genuine attempts to resolve disputes before litigation starts.

Negotiation

Negotiation is often the most cost-effective method of resolution. This may involve direct discussions between the parties or negotiations conducted through legal representatives. Successful negotiation depends upon both parties understanding the strengths and weaknesses of their legal position and remaining willing to compromise where appropriate.

Outcomes will depend heavily on the quality of the available evidence.

Mediation

Mediation involves an independent third party helping the parties reach a mutually agreed settlement. The mediator doesn’t directly impose a decision. Instead, they facilitate productive discussions and explore practical solutions.

The Royal Institution of Chartered Surveyors (RICS) describes mediation as a quicker and cheaper alternative to litigation for resolving boundary disputes. Mediation can be particularly effective in commercial matters where maintaining an ongoing business relationship is important.

Arbitration and Expert Determination

Arbitration is a more formal private dispute-resolution process in which an independent arbitrator makes a decision after hearing evidence from both sides.

The parties involved may jointly appoint an independent expert, such as a chartered surveyor or specialist property solicitor, to determine the dispute. Expert determination can provide a faster and more commercially practical solution in technically complex matters.

Regardless of the method used, any settlement reached should be formally documented in an agreement to prevent future disputes.

Formal Options and Legal Issues

Where a dispute cannot be resolved informally, more formal routes may be required. This can include an application to HM Land Registry for a determined boundary or, in some cases, court proceedings to establish the correct boundary position.

Boundary disputes may also involve additional legal issues, including:

  • Trespass or nuisance
  • Adverse possession claims
  • The need for injunctive relief to prevent or reverse works

How to Prevent Future Commercial Property Boundary Disputes

Preventative action is often the most effective way to reduce the risk of future disputes.

Before purchasing commercial property, owners should commission a detailed boundary survey from a qualified surveyor. This survey should compare the physical boundaries on site against title plans, Land Registry records, and historical deeds.

Where commercial premises are leased, lease agreements should clearly define the extent of the demised premises and allocate responsibility for maintaining boundary features. Scaled plans should be attached wherever possible.

If a boundary is uncertain, parties may wish to enter into a formal boundary agreement. This is a legally binding agreement that fixes the precise boundary line and can be registered with HM Land Registry so that it binds future owners.

Property owners should obtain legal advice before starting development or construction works near a boundary. This helps reduce the risk of disputes arising under the Party Wall etc. Act 1996.

Commercial boundary disputes can be complex, time-consuming and costly, particularly where expert evidence and formal proceedings are required. Unsuccessful claims may expose parties to adverse costs orders. Early advice and clear documentation are key to reducing risk.

When Should You Contact a Commercial Property Dispute Solicitor?

Boundary disputes can escalate quickly, leading to operational and financial consequences. Legal advice should be sought where there are:

  • Threats of legal action
  • Blocked access routes or operational disruption
  • Significant financial losses
  • Allegations of encroachment
  • Development delays

Litigation should generally be treated as a last resort, but seeking early legal advice can be beneficial. Early intervention can often resolve disputes more efficiently, reduce long-term costs and protect valuable commercial relationships.

At Harding Evans, our commercial property experts in Cardiff and Newport can provide tailored advice to help resolve commercial boundary disputes efficiently and protect your business interests.

Get in touch with our team to discuss your commercial property needs.

Alternatively, email our Commercial Litigation Solicitors directly: George Tagoe at george.tagoe@hevans.com and Kay Tucker at kay.tucker@hevans.com.

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