The physical condition of a property does not always reflect its legal identity. For property developers, that difference invariably dictates whether land may be subdivided, consolidated, accessed, or developed as intended. In this context, diagrams and general plans are central to the cadastral foundation of a building project in South Africa: They identify the land that legally exists, and should be carefully understood alongside title deed information, planning rights, and the approvals required to implement a development.
The statutory framework: What are diagrams and general plans?
South Africa’s cadastral system is principally regulated by the Land Survey Act (‘the Act’), which regulates the survey of land and the preparation, examination, and approval of diagrams and general plans.
Section 1 of the Act defines a ‘diagram’ as ‘a document containing geometrical, numerical, and verbal representations of a piece of land, line, feature, or area and forming the basis for registration of a real right’. This statutory definition includes documents signed by a person recognised under the applicable law as a land surveyor, documents approved or certified by a Surveyor-General, certain copies prepared in a Surveyor-General’s office, and documents historically accepted as diagrams before the Act commenced.
Contrastingly, a ‘general plan’ is legislatively defined as a plan that represents the ‘relative positions and dimensions of two or more pieces of land’. A general plan is commonly prepared where land is subdivided into a number of pieces, rather than preparing an individual diagram for each piece.
A diagram may relate to a particular parcel or another surveyed feature or right contemplated by the Act, while a general plan brings multiple pieces of land into a single plan showing their relationship to one another.
The formalisation of diagrams and general plans
For STBB Helderberg Director and experienced conveyancer, Hein Nauschutz, understanding the separation between cadastral, registration, and planning functions in relation to property development is a critical first step.
‘A diagram or general plan is not itself a zoning approval or development approval; it is primarily the representation of particular land and, where applicable, the basis for registration of land or real rights,’ he explains.
On the legal foundation for obtaining diagrams and general plans, Nauschutz observes that ‘there are essentially two related sources, namely the Surveyor-General and the Deeds Registry records.’ Under section 6 of the Act, the Surveyor-General is required to examine and approve general plans and diagrams before registration in the Deeds Registry.
Indeed, ‘section 14 [of the Act] provides that a diagram or general plan may not be accepted in a Deeds Registry in connection with the registration of land unless it has been approved by the Surveyor-General, subject to the statutory mechanism for provisional approval of certain general plans,’ remarks the property and development law specialist.
Why reviewing cadastral records early matters
What is visible on site, shown in marketing material, or enclosed by a fence does not automatically correspond with the registered cadastral position. It is therefore essential for prospective purchasers, conveyancers, land surveyors, and new developers to obtain and assess existing diagrams and general plans pursuant to a comprehensive due diligence investigation of a property earmarked for development.
For Nauschutz, careful property due diligence requires comparative analysis:
‘The Surveyor-General records should be compared with information obtained from the Deeds Registry, including title deeds and other registered documents, in order to establish the existence, nature, and applicability of servitudes, restrictive conditions and other registered real rights affecting the property…The importance of this is that the physical property seen by the purchaser and the legal property registered in the Deeds Registry are not necessarily identical in appearance or configuration.’
Crucially, this exercise can reveal issues affecting boundaries, extent, access, and registered rights before those concerns become embedded in a development concept.
Timing matters, too. ‘For a developer, the relevant diagram or general plan should ideally be obtained and reviewed before the acquisition becomes unconditional, or, at the very least, before substantial expenditure is incurred on architectural, engineering, and town planning work,’ advises the Helderberg-based conveyancing attorney.
Indeed, common property disputes involving servitudes, the position of a boundary, driveways, and other encroachments of a neighbouring property, can be avoided by properly reviewing cadastral records.
Ultimately, the point is commercial as much as legal. A cadastral constraint discovered after design work or financing commitments have progressed can be considerably more expensive to accommodate and rectify.
Servitudes can reshape a property development
In the property development arena, servitudes are a prime example of why cadastral records and deeds information should be read together. Section 6 of the Act expressly empowers the Surveyor-General, in relation to a surveyed and registered servitude or lease, to define its geometrical figure and make the necessary endorsements on the diagram of the land.
However, this doesn’t mean the diagram alone tells the developer everything about the underlying right. The registered instrument remains critical for determining the nature and content of the servitude.
On this point, Nauschutz explains the necessity of paying close attention to the presence of servitudes:
‘A developer should establish before acquiring or planning the development of land, where any servitudes are located, the impact and/or effect of the servitude on the proposed development of the land and who is entitled to exercise it, as any proposed buildings, roads, retaining walls, pools, or other improvements might encroach upon them.’
In practice, that may affect site layout, access routes, building positions, or the amount of land that can actually be utilised.
Zoning answers a different question
Importantly, cadastral approval should not be confused with planning permission. The Spatial Planning and Land Use Management Act (‘SPLUMA’) establishes the national framework for spatial planning and land use management in South Africa. Section 25 of SPLUMA requires a municipal land use scheme to determine the use and development of land within the area to which it applies. Section 26 of SPLUMA confirms that an adopted and approved scheme has the force of law and provides for land use and development rights.
Nauschutz emphasises the conceptual separation: ‘This is an area where the distinction between cadastral information and land use rights is particularly important, because a diagram does not determine zoning.’
The two sets of information therefore answer complementary questions: The cadastral material identifies the land and its configuration, while the land use scheme determines the uses and development rules applicable to it. For a developer assessing feasibility, both are required.
Subdivision and consolidation: Moving through different stages
Planning approval and cadastral implementation are not the same stage of a subdivision or consolidation process. Asked whether a property owner can apply for subdivision or consolidation without a diagram or general plan, Nauschutz confirms that this possible, ‘but only for the initial planning application in appropriate circumstances – not for the eventual cadastral implementation and registration.’
That qualification is crucial because the planning application requirements themselves depend on the relevant provincial legislation and relevant municipal planning By-laws.
For subdivision, section 20 of the Act provides that where the owner of surveyed land wishes to subdivide it and separately register one or more portions, each portion intended for separate registration must be surveyed and a diagram submitted to the Surveyor-General for examination and approval.
Similarly, the Act provides for a diagram for consolidated title, while the Deeds Registries Act regulates the registration process.
Agricultural land, however, implicates an additional statutory requirement. Where applicable, section 3 of the Subdivision of Agricultural Land Act, which remains in operation, requires the Minister’s written consent before agricultural land may be subdivided.
The real due diligence question
While diagrams and general plans don’t constitute the full legal picture, utilising them as part of a co-ordinated investigation of the property is imperative.
Nauschutz frames the central enquiry this way:
‘The question is: How much of the registered property is actually capable of being developed after cadastral, servitude, access, zoning, environmental, engineering, and other statutory constraints have been taken into account?’
That is ultimately a developer’s concern. Cadastral boundaries and dimensions may influence a layout; servitudes may restrict where improvements can go; title conditions and registered rights may affect use or access; and the pertinent land use scheme may determine whether the intended development is permitted or requires further approval.
Part of the legal architecture of a development project, diagrams and general plans are insufficient on their own. Instead, their importance as technical instruments lies in establishing the surveyed cadastral position on which registration and much of the development investigation depends. Analysed alongside deeds records and the applicable planning framework, these documents help developers determine whether the land being considered is – legally and practically – suitable.
For expert legal guidance in all property development matters, including assistance with obtaining diagrams and general plans, contact our specialist team of real estate attorneys today.
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