Suppose your title shows an area of 0.40 hectares.
You are preparing to build a perimeter wall, so a contractor measures around the plot. After looking at the dimensions, he tells you the land does not seem large enough to be 0.40 hectares.
You check the title again. The number is there.
So which one is wrong?
Before deciding that land is missing, the first job is to understand what the recorded area represents, how the parcel boundaries were originally defined and where those boundaries are on the ground.
A surveyor does not solve that question by measuring the fence and comparing the result with the title. The survey begins with the records that define the parcel, then checks those records against the physical evidence on site.
What does the area on the title mean?
A hectare is 10,000 square metres, so 0.40 hectares is 4,000 square metres.
That tells you the size of an area. It does not tell you the shape of the plot or where its boundaries are.
A 4,000 square metre parcel could be long and narrow, nearly square, irregularly shaped or partly bounded by a curved feature. Two parcels can therefore have exactly the same area while looking very different on the ground.
Under the current land-registration forms, the area recorded for a parcel is described as an approximate area. The prescribed certificate of title also presents the area in hectares as approximate.
That word matters.
The area shown in the register is part of the description of the property, but it is not a substitute for the survey information that establishes the parcel itself.
The surveyor therefore needs to know how the particular parcel was created and what boundary information exists behind it.
What does the surveyor check first?
The starting point is the parcel number and the available survey records.
Depending on the property, these may include a cadastral map, survey plan, deed plan, mutation records, previous field notes, coordinates and records relating to neighbouring parcels.
A cadastral map is the official map or series of maps maintained for a registration unit and used to show land parcels.
A survey plan records the measured survey information used to define land. It may show boundary lines, beacon positions, coordinates, bearings, distances and the calculated area.
The Survey Regulations require a surveyor to obtain the available information from previous surveys of the property and adjoining land before carrying out the survey.
This is important because the question is not simply, “How much land can we measure inside this fence?”
The question is, “Where is the parcel recorded by the survey system, and how does that parcel relate to what is on the ground today?”
Are all parcel boundaries equally precise on the map?
No.
The Land Registration Act distinguishes between boundaries that have been formally fixed and boundaries that have not.
Where boundaries have not been fixed, the cadastral map and filed plan indicate the approximate boundary and approximate position of the parcel. The map is therefore used together with other evidence when the position of a boundary needs to be established.
A fixed boundary has had its precise position defined through the survey and registration process. A plan containing the necessary survey particulars is filed and the register records that the boundaries have been fixed.
This distinction matters when investigating an apparent area difference.
If the parcel has fixed boundaries supported by a verified survey plan, the surveyor has precise boundary information to work from. Where the boundaries are not fixed, the surveyor may need to consider the cadastral map together with surviving boundary marks, earlier survey information and other relevant evidence.
The area written on the title does not answer that question on its own.
What happens on the ground?
Once the records have been examined, the survey team relates them to the site.
The team looks for the boundary beacons and other survey marks referred to in the records. It checks their positions and examines relevant physical features such as fences, walls, roads and buildings.
A fence can be useful evidence, but the existence of a fence does not by itself prove that it was built exactly on the surveyed boundary.
For our 0.40 hectare example, imagine that one side of the plot has an old stone wall. The wall may have been built along the boundary. It may also have been built slightly inside the property, or its position may have changed from the line indicated by the survey records.
The survey measurements help establish which explanation fits the evidence.
Where a beacon is being positioned from calculated survey data, the Survey Regulations require an independent field check. Survey work is also required to contain enough observations and measurements for the surveyor to check the result.
The aim is not to make the measured area agree with the title by adjusting a corner. The aim is to establish the boundary positions from the applicable survey evidence and then determine the area enclosed by those boundaries.
How is the area calculated?
Once the boundary geometry has been established, the area can be calculated from the survey measurements.
For straight-sided parcels, the Survey Regulations require the area to be computed mathematically. Survey computations are checked independently before they are submitted for authentication.
The survey plan may show the coordinates of boundary points together with the lengths and bearings of the boundary lines. Coordinates are numerical values that describe the position of a point within the coordinate system used for that survey.
Those positions define the shape from which the area is calculated.
This explains why simply adding or multiplying a few distances measured around an irregular plot may give the wrong impression. Area depends on the shape formed by the boundary lines, not only on their individual lengths.
Where part of the boundary is curved, such as along a road, river or another curvilinear feature, the Survey Regulations provide additional methods for representing and calculating that part of the parcel.
The resulting area is then shown on the survey plan to the level of precision required for a parcel of that size.
What if the survey produces a different area?
A difference needs to be investigated before anyone decides what it means.
Sometimes the explanation is simple. A fence may not follow the boundary. A rough earlier measurement may not have captured the shape correctly. A boundary feature may have been disturbed. The survey records may also reveal information that was not apparent during an informal site measurement.
Sometimes the survey identifies a genuine difference between the dimensions or area in the register and what is established on resurvey.
The Land Registration Act provides for this possibility. Where a resurvey shows that a dimension or area recorded in the register is incorrect, the Registrar may rectify the register after giving notice to people with an interest in the parcel.
The Act also makes an important point about area differences: a later survey showing a surplus or deficiency in area does not, by itself, create a claim for indemnity between the national or county government and the proprietor.
In practical terms, a different area is a finding that needs explanation. It is not automatically proof that someone has taken part of the land, that the title is invalid or that the boundary should simply be moved until the original number is reproduced.
The boundary evidence has to be resolved first.
What if a beacon is in a different position from the old survey?
That becomes a boundary investigation as well as an area question.
The Survey Regulations require particular care where an existing beacon is found materially away from the position indicated by the previous survey. The surveyor must establish that the discrepancy is real, search for evidence of the earlier beacon or its reference marks and record relevant development around the position.
Where the circumstances require it, the surveyor reports the findings and seeks instructions before taking further action.
This protects against a tempting shortcut: accepting whichever mark happens to be visible and recalculating the plot from there.
For the owner, the useful outcome is an explanation of why the measurements differ and what evidence supports the boundary position being relied on.
What should you receive from the survey?
The exact deliverables depend on the assignment, but you should be able to understand what was checked and what was established.
The survey team should identify the records used, the boundary marks found or relied upon, the relevant measurements and the resulting findings. Where a plan or survey submission forms part of the work, the quotation should make that clear.
If the survey confirms the recorded boundary positions but calculates an area different from the figure you expected, the report should explain that result.
If the problem is a misplaced fence, missing beacon, inconsistent survey mark or a register entry that may require further action, that should also be stated clearly.
For our 0.40 hectare example, the useful answer is not simply another number.
You want to know where the parcel is, what evidence establishes its boundaries, what area those boundaries produce and whether any further survey or registration step is required before you build the wall.
What should you send to Walterland?
Send the parcel number, location and a copy of the title or certificate of lease. If you have a deed plan, survey plan, mutation form, cadastral map extract, previous boundary report or other survey document, include it.
Explain why the area has become a question. For example, you may be preparing to fence, buy, develop, subdivide or value the property, or you may have received measurements that do not appear to agree with the registered area.
That information helps the team identify the records to obtain and whether the assignment requires records research, boundary verification, a resurvey or another survey process.
Related Walterland services and guides
- Boundary verification: Compare title and survey records with the boundary marks and physical features found on site.
- Cadastral surveys: Investigate recorded parcel geometry, survey marks and the area defined by the applicable survey.
- Missing land beacons in Kenya: See how a surveyor investigates and re-establishes a missing boundary mark.
- What a land surveyor does in Kenya: Find out which survey assignment answers your property question.
Does your title area seem different from the ground?
Send the parcel number, location, title copy and any available survey plan or earlier boundary report. Walterland can help identify the right records and survey work before you build or buy.
Is a boundary mark missing too? Read the missing-beacons guide →
Legal references
General guidance, not a determination of a particular parcel or legal advice. A licensed surveyor should check the records and applicable process for the property.