RED FLAGS IN GHANA’S PROPERTY MARKET [PART 5]: SURVEY PLANS CAN LIE - HOW COORDINATES ARE MANIPULATED WITHOUT BUYERS KNOWING - AFRICA CONTINENTAL ENGINEERING & CONSTRUCTION NETWORK

RED FLAGS IN GHANA’S PROPERTY MARKET [PART 5]: SURVEY PLANS CAN LIE – HOW COORDINATES ARE MANIPULATED WITHOUT BUYERS KNOWING

 

In today’s property market, survey plans and site coordinates are often treated as unquestionable proof of accuracy. Numbers appear precise and coordinates feel scientific. To many buyers, they represent certainty.

However, behind this appearance lies a serious problem sometimes. Coordinates can be manipulated, misunderstood, or poorly verified, sometimes deliberately or negligently.

In Ghana and many developing property markets, this overreliance on survey plans has created a subtle but dangerous form of fraud. In such cases, thedeception is not always in fake documents, but in the way land is represented through coordinates and boundaries on paper and on the ground.

In this article, I will explain in simple terms how survey plans often seen as the most reliable part of a land transaction can be misleading. I will show how these manipulations happen, why buyers rarely notice them and what risks they create. 

I will also address the common belief that coordinates represent absolute truth and explain why that is not always the case. Most importantly, I will outline practical steps buyers and investors must take to protect themselves.

But before we go further, it is important to mention that Africa Continental Engineering &Construction Network Ltd remains one of Ghana’s leading real estate development and consulting firms. From land acquisition and title registration to architectural design, construction and investment advisory, we provide a complete end-to-end service experience.

If you are ready to move from interest to investment, simply search for our company online, explore available properties and engage our team for professional guidance. With serviced, litigation-free lands across Accra and key growth locations, we are well positioned to help you make informed and secure property decisions. Now, let us turn to the substance of the discussion starting with understanding survey plans.

Understanding Survey Plans

A survey plan is meant to define the boundaries of a piece of land using measurements, angles and coordinates tied to a reference system. Ideally, it should reflect exactly what exists on the ground. However, in practice, this is not always the case. A survey plan is not the land itself; it is a representation of it. 

It depends on human input, the tools used and the systems behind the measurements. This means that errors, inconsistencies or even deliberate alterations can affect the final outcome. In many countries, including Ghana, land mapping systems have developed gradually over time. 

New plots are often added onto older maps that may already contain inaccuracies. As a result, a survey plan is only as reliable as the process and integrity behind its creation (Pullar & Donaldson, 2022).

Fake or Altered Site Plans: The Invisible Manipulation

At first glance, a site plan appears clear and authoritative. It contains straight boundary lines, precisenumbers and official stamps, all of which create a strong sense of trust. Yet, beneath this clean appearance, there can be hidden inaccuracies that are rarely detected by the average buyer.

In some cases, a survey plan can be slightly altered without any obvious sign of tampering. The document still looks professional and legitimate, but it no longer reflects the true position or size of the land. 

These manipulations may involve small adjustments to coordinates, slight distortions of boundaries or the use of different reference systems without proper disclosure.  This is because these changes are subtle and technical; they are extremely difficult for untrained individuals and even some professionals to identify.

 

How it Happens: Survey plans are not usually manipulated in obvious ways. In many cases, the problems are subtle and difficult for ordinary buyers to notice. One way this happens is when boundary points are slightly adjusted on paper so that a piece of land appears to be in a different or more attractive location than it really is.

In other situations, a genuine survey plan may be reused or linked to a different parcel of land than the one it was originally prepared for. Sometimes this is due to weak checking systems or poor record keeping, but in other cases it may be done deliberately to mislead a buyer.

There are also instances where digital copies of survey plans are quietly edited, making small changes that are hard to detect without expert comparison. In other cases, the same land may appear differently on paper because different measurement systems were used or wrongly applied. 

But because all these processes involve numbers and technical drawings, they often look correct at first glance. This makes it difficult for most buyers and even some professionals to spot the problem without proper independent verification.

 

Why it Works: These practices succeed largely because they take advantage of common assumptions. Many buyers believe that numbers cannot be manipulated and that official-looking documents are always accurate.

In addition, most verification processes focus on confirming whether documents exist, rather than whether the spatial information they contain is correct. There is also limited integration of systems that would allow proper cross-checking of coordinates in real time.

Even in well established systems, mapping inaccuracies can exist due to continuous updates and historical inconsistencies, making manipulation easier to conceal (Pullar & Donaldson, 2022).

 

Encroachment Risks: When Coordinates don’t match Reality

One of the most serious consequences of inaccurate or manipulated survey plans is encroachment. Encroachment occurs when the boundaries shown on paper do not match what exists on the ground. This can result in overlaps between different parcels of land, situations where someone is already occupying part of the land you have purchased, or cases where multiple buyers unknowingly acquire the same plot.

In Ghana, this problem is often linked to inconsistencies in older surveying methods such as triangulation and traversing, which have contributed to variations in coordinate frameworks over time (Ayer et al., 2008).

Over time, physical boundary markers such as pillars may be destroyed, moved or completely lost, leaving coordinates as the only reference point. Small errors in measurement can also accumulate across multiple plots, increasing the likelihood of overlaps and disputes.

To buttress this point, Ghanaian courts have repeatedly confirmed that survey plans do not always reflectreality on the ground. In Benjamin Quarcoopome Sackey v. IssakaA. Musah (Case Number: Civil Appeal No. J4/25/2014; 21 October 2015), the court ordered a fresh survey exercise because existing plans could not resolve the dispute, ultimately revealing that physical occupation did not align with documented boundaries.

Similarly, in Debrah v. Ansah (Suit Number: C1/39/2018; 6 December 2023), the court identified overlapping claims arising from conflicting site plans, demonstrating how different survey documents can point to the same piece of land.

A more striking example is Blackmore v. Klutse (Supreme Court of Ghana, 2025, GHASC 30) where inconsistencies in site plans led the court to reject a party’s claim entirely after discrepancies were discovered between documented boundaries and actual land position.

These cases show that encroachment and the manipulation of survey plans are not just theoretical risks; they are proven recurringproblems in Ghana’s property market.

From a legal perspective, survey plans alone are often not enough to resolve such disputes. Courts typically consider physical occupation, historical use of the land and witness accounts. This means that even a seemingly accurate survey plan may not guarantee ownership if it does not align with reality on the ground.

 

Why GPS Verification is often Ignored

Given these risks, one would expect GPS verification to be a standard step in every land transaction. However, this is often not the case. Many buyers avoid independent verification in order to save time and reduce costs. There is also a widespread belief that once a document has been approved or stamped, no further checks are necessary.

At the same time, proper GPS surveying requires technical expertise and the right conditions. Factors such as satellite positioning, availability of control points and operator skill all affect accuracy and errors in these areas can distort results (Enemark et al., 2007). Combined with weak enforcement of verification requirements, this makes GPS checks more of an option than a standard practice.

 

The Deeper Problem: Coordinates are not Absolute Truth

A major misconception in land transactions is the belief that coordinates are always exact and reliable. In reality, coordinates depend on the reference systems on which they are based. These systems can change or vary, leading to differences in location. Research shows that such variations can range from small differences to several meters depending on the system used (Nichols et al., 1998).

Without strong control networks, these inconsistencies become more pronounced. This reinforces the point that coordinates are not absolute truth; their reliability depends on the systems and processes behind them (Nichols et al., 1998).

 

Practical Implications for Buyers and Investors

For buyers and investors, the consequences of relying solely on survey plans can be severe. A person may pay for land that cannot be used or occupied. Disputes may arise, leading to lengthy and expensive legal battles. Development projects may be delayed or abandoned altogether.

For developers and institutions, such issues can also damage credibility and reputation. In some situations, the land becomes effectively unusable because its ownership and boundaries are in dispute.

 

Closing the Gap: What must Change

To reduce these risks, there must be a shift in how land transactions are approached. Buyers must go beyond documents using professionals to ensure that what is on paper matches what exists on the ground. Physical inspection and independent verification should become the standard practice rather than optional steps.

There is also a need for stronger systems, better data integration and greater accountability among professionals involved in land surveying and documentation. At the same time, public awareness must improve, so that buyers understand that a survey plan alone is not a guarantee of precision or proof of ownership.

 

Now, a Guide to Starting the Process

One of the biggest challenges for buyers is how to bring all these checks together without wasting time or increasing costs. A more effective approach is to engage a qualified real estate consultant or legal professional who can coordinate the entire due diligence process. Instead of dealing separately with surveyors, lawyers and planners, the buyer works with a central expert who manages everything.

This approach reduces risk, prevents costly mistakes and ensures that all necessary checks are properly carried out in the right order. This is where the expertise of the Africa Continental Engineering & Construction Network Ltd becomes valuable.

At our firm, due diligence goes far beyond the standard checks. In addition to title verification, we conduct title root tracing, litigation history searches, encumbrance checks and collateral registry reviews. We also gather on-the-ground information through community engagement, recognizing that important insights are often not captured in official records.

As a final step, we may test possession through controlled site activity to uncover any hidden disputes. This comprehensive approach has helped identify issues that routine checks often miss. However, do not try this because, such processes involve risk and should always be handled by experienced professionals.

 

Beyond the Paper

In conclusion, survey plans and coordinates have brought structure and precision to land transactions. However, they have also introduced new risks that are less obvious but equally dangerous.

Today, the greatest threat is not always forged documents or missing signatures. It is the quiet manipulation of numbers that appear accurate and trustworthy until you discover it late.

Ghana’s own courts have shown that even properly prepared survey plans can produce conflicting claims, overlaps and disputes when they do not reflect reality on the ground.

Until buyers, professionals and regulators move beyond blind reliance on survey plans, this problem will continue. But the key question remains; is the land you are buying truly what it appears to be, or simply a set of coordinates someone wants you to believe. Stay tuned for Part 6.

 

References

• •  
  • Ayer, J. et al. (2008). CORS Usage for GPS Survey in the Greater Accra Region: Advantages, Limitation, and Suggested Remedies. Journal of Geovisualization and Spatial Analysis.

• • Enemark, S. et al. (2007). Pioneering a Rapid and Cheap GPS Cadastral Surveying Methodology for Developing Countries. Geomatica.

• • Nichols, S. et al. (1998). Technical, Social and Legal Implications of Defining Boundaries Using Coordinates Only. Canadian Council on Geomatics.

• • Pullar, D., & Donaldson, S. (2022). Accuracy Issues for Spatial Update of Digital Cadastral Maps. ISPRS International Journal of Geo-Information.

 

About the Author

Daniel Kontie is a young enthusiastic Ghanaian Entrepreneur, the Executive Chairman of the Africa Infrastructure Group; comprising the Africa Continental Engineering & Construction Network Ltd (ACECN), Falcon 48 Developers; Africa Infrastructure Energy and Africa Land Banking Investment Ltd. All these are growing establishments, disrupting the conventional way of brand building across the African Continent. Daniel is a columnist, a writer and a member of the Ghana Built Environment Writers Association. He can be contacted via Tel: +233209032280; Email: d.kontie@acecnltd.com; Website: https://acecnltd.com/.