Registration or knowledge — the two ways a long lease binds beyond ten years
Section 1(2) of the Formalities in Respect of Leases of Land Act 18 of 1969 draws a precise line at ten years. For the first ten years after a long lease is entered into, an unregistered long lease is valid against creditors and successors under onerous title of the lessor without more — no registration and no knowledge on the part of the third party is required. The third party is bound simply by operation of statute.
Once that ten-year period has elapsed, however, the position changes fundamentally. The statute provides that the unregistered long lease is no longer valid against such a creditor or successor unless one of two conditions is satisfied:
- (a) Registration: the lease has been registered against the title deeds of the leased land. Because the lease subtracts from the lessor’s dominium, registration gives it the force of a limited real right that runs with the land and binds every successor and creditor for the full term without any inquiry into knowledge.
- (b) Actual knowledge: the creditor or successor, at the relevant time (the moment of giving credit, or the moment of entering into the transaction by which they obtained the leased land or a real right in it), actually knew of the lease. Knowledge at that moment is a complete substitute for registration.
The ten years runs from the date on which the lease was entered into — not from the date of commencement of occupation, not from the date of registration of transfer, and not from any later date. This is the exact language of s 1(2):
...for a period longer than ten years after having been entered into, unless— (a) it has been registered against the title deeds of the leased land; or (b) the aforesaid creditor or successor at the time of the giving of credit or the entry into the transaction by which he obtained the leased land or a portion thereof or obtained a real right in respect thereof, as the case may be, knew of the lease.
The practical consequence is significant. A buyer who purchases the leased property in year three of an unregistered long lease is bound to honour the lease. That same buyer, if the purchase occurs in year eleven — without registration and without knowledge — can disregard the lease entirely. The lessee’s security depends entirely on whether the lease was registered or whether the relevant third party had actual knowledge at the critical moment.
This is why the notarial registration process is so important for lessees who hold long leases of commercial, investment, or residential property. An unregistered long lease, however clearly documented between the original parties, may be unenforceable against a buyer or bondholder who acquires an interest in the land after the ten-year mark.
The knowledge doctrine
Section 1(2)(b) gives statutory expression to what is known in South African law as the doctrine of notice (also called the knowledge doctrine). The doctrine holds that a third party who acquires an interest in property with knowledge of a prior, unregistered right of another person may be bound by that prior right — or may be required to give effect to it — even though the prior right has not been formally registered.
The key question under s 1(2)(b) is therefore whether the creditor or successor had actual knowledge of the lease at the relevant time. Knowledge acquired after the date of the transaction (for example, between signing of the sale agreement and transfer) may or may not suffice — the courts have left this question open in the context of unregistered servitudes (see Bowring para 9), and the same uncertainty applies by analogy to unregistered long leases.
The principle that knowledge of an unregistered right may substitute for formal registration was applied — initially in the context of servitudes — in the Eastern Cape Division decision that remains the foundational authority for this proposition in South African property law:
In the long-lease context, the practical burden falls on the lessee to establish that the creditor or successor actually knew of the lease at the relevant time. Constructive notice — what the third party ought to have discovered had they made reasonable inquiries — is not enough under s 1(2)(b). The section requires that the third party “knew of the lease”, not merely that they could have discovered it. A buyer who fails to inspect the property or ask about occupants is negligent, but negligence alone does not equal statutory knowledge for purposes of s 1(2)(b).
Evidence of actual knowledge may be drawn from several sources: express disclosure by the seller in the sale agreement, visible occupation by the lessee that a buyer would have seen on inspection, correspondence between the parties, or an acknowledgement by the buyer in the sale agreement that the property is sold subject to the existing lease.
Onerous vs gratuitous successors
The protection that s 1(2) gives — the ability to take free of an unregistered long lease after ten years — is available only to a specific class of third parties: creditors and successors under onerous title of the lessor. Both categories share the defining characteristic that they gave value: a creditor extends credit; an onerous successor pays a price or provides equivalent consideration for the land.
Gratuitous successors — those who acquire the leased land without giving value — fall entirely outside this protected class. The category includes:
- Heirs who inherit the leased property under a deceased lessor’s estate (whether testate or intestate).
- Legatees who receive the property as a specific bequest in a will.
- Donees who receive the property as a gift from the lessor during the lessor’s lifetime.
Because they fall outside the protected class, gratuitous successors are bound by an unregistered long lease for its full term — even if the lease has already run for more than ten years, even if the gratuitous successor had no knowledge of it, and even if it has not been registered. The reason is structural: s 1(2) was designed to protect parties who gave value in reliance on the apparent state of the title. A donee or heir who receives property for nothing has no such reliance interest to protect and cannot invoke the section.
This distinction has a direct consequence for estate planning and property structuring. Where a long-leased property is to pass to heirs or beneficiaries under a will or by donation, the unregistered lease will follow the property without limitation. Conversely, where the property is sold (an onerous transaction) after the ten-year mark, a buyer without knowledge of an unregistered long lease takes free of it. The advice to a lessee is therefore the same in both scenarios: register the lease, because only registration gives certainty against every category of successor and creditor.
For a full explanation of the notarial execution and registration process, see the guide to registering a notarial lease. For the interaction between these rules and the common-law principle of huur gaat voor koop, see the huur gaat voor koop guide. For the threshold definition of what constitutes a long lease, see what is a long lease?