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Boundary Disputes: Just Because the Fence Has Been There for 50 Years Doesn’t Mean It’s in the Correct Place

July 15, 2025
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When it comes to property ownership, few things cause more stress and confusion than boundary disputes. One of the most persistent myths we encounter as surveyors is the belief that a fence’s longevity somehow validates its legal position. The reality is far more complex, and understanding the true nature of property boundaries can save you significant time, money, and neighbourhood relations.

Property boundary surveys are essential for resolving these disputes, as they provide the definitive answer about where your land legally begins and ends. Whether you’re dealing with a fence line dispute or questioning the accuracy of existing boundaries, professional surveying offers the clarity you need.

Facing a boundary dispute?
Don’t let uncertainty cost you time and money. Contact Ramsay Surveyors today for a free consultation and discover exactly where your property lines are located.

The Fence Myth: Why Age Doesn't Equal Accuracy

Picture this scenario: You’re planning to build a deck, and your neighbour casually mentions, “Just so you know, that fence has been there since 1973 – it’s definitely the property line.” This conversation happens countless times across Australia, but here’s the reality that might surprise you.

Many property owners assume that because a fence has stood for decades, it must mark the true boundary line. This assumption is understandable but fundamentally flawed. Fences are installed by people, and people make mistakes. A fence erected 50 years ago could have been placed incorrectly from day one, whether due to surveying errors, misunderstood property descriptions, simple human error in interpretation or simply upon agreement between neighbours at the time.

The exception is where the land is Old System title established under common law. The common law regards the possession or occupation of land as sufficient evidence of ownership. Consequently, an adverse occupier who has had undisturbed and uninterrupted possession of land for 12 years or more will displace the documentary owner. Therefore, if your land is Old System and the common fence between yourself and your neighbour stands upon your land as defined by deed, then the neighbour can make a claim for that land after a period of 12 years of uninterrupted occupation.

Similarly, if your neighbours land is Old System and the common fence stands upon the neighbours land as defined by deed, then you can make a claim for that land after a period of 12 years occupation.

  A claim of land by adverse possession against Old System land requires a Primary Application to be made which must, among other things, be supported by a plan of survey to establish the area of enclosure.

  At Ramsay Surveyors, our team of professional surveyors are well placed to undertake the survey, preparation and lodgement for registration of the required plan and to provide advice on the Primary Application process.

  

Old System land can be converted to Torrens Title. If this occurs and the plan of the land does not adequately define the boundaries of the land by survey, a Limitation notation is placed on the title . In such cases, the State of NSW does not guarantee the boundary definition of the land like it does for Torrens Title land. The Limitation notification can be removed from the tile by the registration of a plan of survey which satisfactorily defines the boundaries of the land.

 At Ramsay Surveyors, our team of professional surveyors are well placed to undertake the required survey and plan preparation and lodgement for registration at NSW LRS.

 

We also regularly encounter properties where boundary fences have been incorrectly positioned for decades. The legal boundary of your property is determined by your title documents and survey plans, not by physical markers like fences, walls, hedges, or garden beds. These legal boundaries remain constant regardless of what structures may have been built over time.

Common Causes of Boundary Confusion

Several factors contribute to boundary disputes, particularly in established neighbourhoods where properties have changed hands multiple times:

Historical surveying methods were less precise than today’s technology. Older surveys may have relied on less accurate instruments or reference points that no longer exist, leading to discrepancies when modern surveys are conducted.

Informal agreements between previous owners may have allowed structures to be built across boundary lines without proper documentation. These “handshake deals” often aren’t legally binding on future property owners.

Natural landmarks that may have been used as reference points can change over time. Trees die, creek lines shift, and rock formations can be removed, leaving boundaries unmarked and disputed.

Subdivision errors from decades past can compound over time, particularly in areas that were rapidly developed without rigorous surveying standards. Modern land development projects require precise boundary definition to avoid these historical issues.

The Legal Reality: What Actually Defines Your Boundary

Your property boundary is legally defined by several key documents and factors:

The Certificate of Title contains the official description of your property. This document, held by the NSW Land Registry Services (LRS), and is the primary legal authority for property boundaries.

Survey plans created by Registered Surveyors provide the precise measurements and coordinates that define where your property begins and ends. These plans are lodged with the LRS and form part of the permanent record. In NSW, Surveyors working on property boundaries must be registered with the Board of Surveying & Spatial Information (BOSSI) and follow strict professional standards to ensure accuracy and legal compliance.

Easements and encumbrances may affect where you can build or place structures, even within your legal boundary. These rights are typically noted on your title and can impact how boundary disputes are resolved.

Modern surveying techniques, technology and sophisticated measuring equipment can pinpoint boundaries to within millimetres, providing accuracy that wasn’t available when many older fences were installed. The team at Ramsay Surveyors uses state-of-the-art equipment to ensure precise boundary determination, regardless of how long existing structures have been in place.

When Boundaries Matter Most

Understanding your true property boundaries becomes crucial in several situations:

Building and renovation projects require precise boundary knowledge to ensure compliance with setback requirements and avoid encroaching onto neighbouring properties. Professional land development surveying ensures your project starts with accurate boundary information.

Property sales can be delayed or complicated if boundary disputes arise during the conveyancing process. Buyers’ solicitors often require boundary clarification before settlement.

Insurance claims related to boundary disputes may not be covered if the issue stems from pre-existing encroachments or unclear property lines.

Council approvals for developments, pools, sheds, and other structures require accurate boundary information to ensure compliance with local planning regulations.

The Role of Registered Surveyors

When boundary disputes arise, Registered Surveyors provides the definitive answer. Registered Surveyors have the expertise and equipment to accurately determine property boundaries based on legal documents and physical evidence. All Registered Surveyors must meet strict standards set by BOSSI, ensuring consistent, reliable results across the industry. For homeowners dealing with boundary issues, specialised residential surveying services offer targeted solutions for common property disputes.

A boundary survey involves researching historical records, examining title documents, locating existing survey marks, and using precise measuring techniques to re-establish the correct boundary lines. The Surveyor will then prepare a detailed plan showing the true boundaries in relation to existing structures.

Ramsay Surveyors’ comprehensive approach includes thorough research of historical survey records, field measurements using advanced technology and detailed boundary plans that clearly show any discrepancies with existing fences or structures.

Real Case Study: The Million-Dollar Mistake

Recently, Ramsay Surveyors worked with a property owner who discovered their “heritage” stone fence – proudly maintained for 40 years – was actually a metre inside their neighbour’s property. What seemed like a simple renovation approval became a complex negotiation involving easements, compensation, and legal agreements.

This isn’t an isolated case. In established suburbs across Australia, we regularly find significant discrepancies between assumed boundaries and legal property lines. The financial implications can be staggering, but the emotional stress on families and neighbourhoods often proves even more costly.

Heritage Boundary Fence

Prevention and Resolution

The best approach to boundary disputes is prevention through early identification. Before purchasing property, consider commissioning a boundary survey to understand exactly what you’re buying. Registered Surveyors can identify potential boundary issues before they become costly disputes, and can prevent costly legal challenges later.

If you’re planning significant improvements to your property, a boundary survey ensures your plans comply with setback requirements and don’t encroach onto neighbouring land. For larger projects or developments, comprehensive land development services can help navigate the complex surveying requirements from initial planning through to completion. This proactive approach can save thousands of dollars in potential legal fees and reconstruction costs.

When disputes do arise, Registered Surveyors provides an objective, and in most cases, legally defensible resolution. While emotions can run high in neighbourhood disputes, survey evidence provides clear facts that courts and mediation services can rely upon.

Moving Forward with Confidence

Property boundaries may seem straightforward, but the legal complexities surrounding them require professional expertise to navigate properly. Don’t let the age of a fence or the assumptions of previous owners determine your understanding of your property limits.

Whether you’re dealing with an active dispute, planning a development, or simply want peace of mind about your property boundaries, professional surveying provides the clarity and legal certainty you need. Remember, when it comes to property boundaries, the law relies on surveyed evidence, not on how long a fence has been standing in the ground.

FAQ: Common Boundary Dispute Questions

A: Most residential boundary surveys take 1-3 days, depending on property size and complexity.

A: Professional boundary surveys typically cost $1,000-$2,500, far less than legal proceedings. Residential surveying services often provide fixed-price quotes for boundary dispute resolution.

A: Only Registered Land Surveyors can provide legally recognised boundary determinations. Registered Surveyors must complete extensive training and maintain registration with BOSSI to ensure their work meets legal standards.

A: You may need to relocate the fence or negotiate an easement agreement.

A: Modern surveying equipment can determine boundaries to within millimetres.

Ready to resolve your boundary dispute once and for all?

Ramsay Surveyors has helped over 10,000 property owners gain clarity on their boundaries. Don’t let uncertainty hold back your property plans – contact us today for professional boundary surveying you can trust.

Call (02) 9635 5840 or request your quote online

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