Buying a property is a significant financial commitment, and it is important to ensure that the property complies with the applicable legal requirements.
The fact that a property has been occupied for years, or that ownership can be transferred through the Deeds Office, does not necessarily mean that all building work has been properly authorised. Unapproved structures can expose a property owner to unexpected expenses, municipal enforcement action, and difficulties when the property is sold in future.
This article explains the legal requirements for building-plan approval in Cape Town, the potential consequences of buying a property with unapproved structures, and the steps prospective buyers can take to protect themselves before signing an offer to purchase.
Quick Answers for Property Buyers
| Question | Short answer |
| Can a property with unapproved structures be sold and transferred? | Yes. Approved plans are not, as a general rule, a statutory prerequisite for registration of transfer, unless the sale agreement, the bank or another requirement makes them a condition |
| Does registration of transfer make the structures lawful? | No. The Deeds Office does not approve building plans or check that the buildings match municipal records |
| Who deals with the problem after transfer? | Usually the new owner, unless the sale agreement allocates the risk differently |
| Is retrospective approval guaranteed? | No. The owner may have to alter, stop using or demolish a structure that cannot comply |
| When should a buyer check the plans? | Before the offer to purchase becomes unconditional |
What Does South African Law Require for Building Plans?
The National Building Regulations and Building Standards Act 103 of 1977
The National Building Regulations and Building Standards Act 103 of 1977 provides the national framework governing building work in South Africa. In general, no person may erect a building without the prior written approval of the relevant local authority.
For purposes of the Act, “erection” is broad and includes alterations, conversions, extensions, rebuilding, additions and certain structural repairs. A purchaser should therefore not assume that approval was required only for the original dwelling; later changes may also have required approved plans.
The City of Cape Town’s Building-Plan Requirements
Within Cape Town, building-plan applications are administered by the City’s Development Management Department. Applications are submitted electronically through the Development Application Management System (DAMS) and must include the plans, prescribed forms, and supporting documents relevant to the proposed work.
- Approval must be obtained first, and building work may begin only after the plan is approved.
- Depending on the project, the application may also require a registered architectural professional and supporting input from an engineer or other specialist.
Building-Plan Approval Is Not the Same as Land-Use or Zoning Approval
These approvals regulate different issues:
- Building-plan approval concerns the technical and statutory acceptability of the proposed building work, including compliance with applicable building standards.
- Land-use or zoning approval concerns whether the property may be used or developed in the proposed manner under the City’s Municipal Planning By-law and Development Management Scheme.
If a proposal departs from the property’s permitted use or development rules (for example, in relation to use, building lines, height, or other development parameters), a separate land-use application may be required. One approval does not remove the need for the other, and a building-plan application that depends on a land-use approval may have to wait for that decision.
Which Structures Require Municipal Approval?
Extensions and Additional Rooms
An extension to a dwelling, the addition of another room or storey, or the construction of a second dwelling ordinarily requires approved building plans. Buyers should compare the existing structures with the approved plans, because an apparently modest addition, such as an enclosed patio, converted outbuilding, or extra bedroom, may be unauthorised building work if it was never submitted to and approved by the City.
Garages, Carports, Boundary Walls and Swimming Pools
Structures outside the main dwelling are not automatically exempt. The City identifies carports, boundary walls and swimming pools as minor works that still require building-plan approval. Garages and similar enclosed structures generally also require approval.
Their position and design may raise additional issues involving building lines, servitudes, height restrictions, drainage, and safety requirements. A buyer should therefore check that these structures appear on approved plans and comply with any applicable municipal conditions.
Minor Works That May Not Require Prior Approval
Some limited works can be treated as minor and may not require a building plan. The City of Cape Town lists examples such as:
- A braai without a chimney.
- A garden shed smaller than 3 m².
- Certain non-structural replacements of windows or doors.
- Minor repairs and specified changes to appliances or fittings that do not involve new or extended drainage or plumbing.
The exemption is narrow and depends on the nature and extent of the work. Where there is uncertainty, the owner or prospective buyer should obtain confirmation from the relevant City district planning office rather than assume that approval was unnecessary.
How to Check Whether a Property Has Approved Building Plans in Cape Town
Step 1: Obtain the Approved Plans
The registered owner can request copies of previously approved building plans through the City of Cape Town’s Development Application Management System. A duly authorised architect or draughtsperson may also obtain copies through the applicable process. The City charges a search fee, and a prospective buyer should ask the seller to obtain the most recent approved plans before the offer to purchase becomes unconditional.
Step 2: Compare the Plans With the Property
Once the plans have been obtained, they should be compared carefully with the buildings and structures actually present on the property, including:
- Extensions and enclosed patios.
- Garages and carports.
- Boundary walls and swimming pools.
- Converted outbuildings.
Any difference should be investigated to determine whether amended plans or other approvals were obtained. Where the comparison is not straightforward, the buyer should consider using an architect, draughtsperson, or other suitably qualified professional.
Step 3: Deal With Missing Plans
If the City cannot locate plans for the property, their absence from the municipal records does not establish that the existing structures are lawful. The registered owner is responsible for having the structures as built measured and drawn where plans are unavailable. The owner may then need to submit plans for municipal consideration and address any zoning, building, or other compliance issues identified.
A buyer should clarify who will bear the cost and risk of this process before committing to the transaction.
Can a Property Be Sold and Transferred Without Approved Plans?
Transfer of ownership and compliance with building law are separate legal issues. The conveyancing process records the change of ownership in the Deeds Registry and ordinarily focuses on matters required for valid transfer, such as the deed of sale, title conditions, municipal rates clearance, and any mortgage bond requirements.
Approved building plans are not, as a general rule, a statutory prerequisite for registration of transfer unless the sale agreement, the purchaser’s bank, or another applicable requirement makes them a condition. A property may therefore be sold and transferred even though additions or alterations have not been approved.
Why Registration Does Not Make Unapproved Structures Lawful
Registration of transfer confirms that the purchaser has become the registered owner; it does not amount to municipal certification that every structure on the property is lawful. The Deeds Office does not approve building plans or determine whether the physical improvements correspond with municipal records.
Unapproved work therefore remains non-compliant after transfer, and the new owner may face the practical burden of obtaining retrospective approval, carrying out alterations, or responding to municipal enforcement. Buyers should verify the plans and include appropriate protections in the sale agreement rather than treating registration as proof of building-law compliance.
What Are the Legal Consequences of Unapproved Building Work?
Municipal Enforcement Action
The City may investigate unauthorised building work, issue notices or directives, require the unlawful activity to stop, and compel the owner to rectify the contravention.
Where the work also breaches the Development Management Scheme or a previous land-use approval, the owner may have to apply for an administrative penalty together with the necessary land-use or departure application. Paying a penalty does not itself legalise the structure or replace the approvals otherwise required.
Potential Criminal Liability
Erecting a building without the prior written approval required by the National Building Regulations and Building Standards Act may constitute an offence. Depending on the contravention and the enforcement route followed, the responsible person may face prosecution and, upon conviction, a statutory penalty.
The fact that the work was completed by a previous owner does not make the structure lawful, although the facts will determine who may be personally liable for the original offence.
Possible Alteration or Demolition of Structures
Retrospective approval is not guaranteed. If an unauthorised structure cannot satisfy applicable building, zoning, safety, or other legal requirements, the owner may be required to alter it, stop its unlawful use, or demolish it. Court proceedings or municipal enforcement may ultimately be used to secure compliance.
This risk is particularly important where the structure encroaches over a building line or servitude, exceeds permissible development parameters, or presents a safety concern.
Costs of Bringing the Property Into Compliance
Regularisation may require an architect or draughtsperson to measure the property and prepare as-built plans, together with input from engineers or other specialists. The owner may also incur:
- Municipal application fees.
- Administrative penalties.
- Legal costs.
- The expense of physical alterations or demolition.
These costs can be substantial and may delay refinancing or a future sale, which is why the status of the plans should be investigated before purchase.
How Can Buyers Protect Themselves Before Signing an Offer to Purchase?
Approved building plans should form part of the buyer’s due-diligence process before the offer to purchase becomes unconditional.
Buyer’s Due-Diligence Checklist
- Ask the seller to obtain the latest municipal plans and any related land-use approvals. Do not rely only on the seller’s assurance that everything is “in order”.
- Review the plans together with the property disclosure documentation and any requirements imposed by your bank.
- Investigate every discrepancy between the approved plans and the structures on the property before you commit. This includes additions, enclosed patios, converted garages, carports, swimming pools, boundary walls, and changes in use.
- Use a qualified professional. An architect, draughtsperson, or other professional can help identify differences and advise whether retrospective approval is likely, whether land-use permission is also required, and what remedial work or costs may arise.
- Get legal advice before signing, rather than trying to fix the issue after transfer.
What the Offer to Purchase Should Say
The offer to purchase should allocate responsibility clearly if plans are missing, outdated, or inconsistent with the property. Depending on the circumstances, the agreement may:
- Require the seller to obtain approved plans before transfer.
- Make the sale subject to approval by a specified date.
- Include warranties about the legality of improvements.
- Provide for the retention of funds until compliance has been achieved.
Seller Misrepresentation and Latent Defects
If the seller knowingly misrepresents plan approval, this may be treated as a failure to disclose a latent defect, which can in itself have consequences for the seller. Because these provisions affect the parties’ rights and may determine whether the transaction proceeds, buyers should obtain legal advice before signing rather than attempting to address the issue after transfer.
Conclusion: Approved Building Plans Are Not Just an Administrative Detail
Approved building plans are not merely an administrative detail. Although a property may be sold and transferred despite unapproved structures, the associated compliance risks, costs, and municipal consequences may become the purchaser’s problem after registration.
Prospective buyers should therefore obtain the available municipal plans, compare them with the property as built, investigate any discrepancies, and ensure that the offer to purchase deals expressly with outstanding approvals. Proper due diligence and timely legal advice can prevent an apparently straightforward purchase from becoming a costly compliance dispute.
Contact an expert at SchoemanLaw Inc in Cape Town or Paarl for assistance with buying or selling property, reviewing an offer to purchase, or dealing with unapproved building work.
