Offer to purchase: what it means and when it binds you

You've found the property, made a verbal agreement on price, and the agent hands you a document to sign. It looks like a form. It feels like a formality. But the moment the seller countersigns it, that form becomes a legally enforceable contract, and every clause in it travels with you to the Deeds Office whether you read it or not. Buyers who discover what a clause means only after the transfer begins face consequences set in motion weeks earlier, on the day they signed without asking.

What is an offer to purchase?

An offer to purchase is a written proposal from a buyer to a seller, setting out the terms on which the buyer is willing to buy a specific property. Once the seller accepts it by signing, the document stops being an offer and becomes a binding sale agreement. At that point, neither party can simply walk away: the legal obligations begin the moment both signatures are on the page.

Key Takeaways

• An offer to purchase becomes a legally binding contract the moment the seller accepts it in writing, not when the bond is approved or when transfer is registered.
• The document must describe the property clearly, name the purchase price, set out how payment will be made, and list every condition the sale depends on.
• Conditions with deadlines, such as bond approval clauses, lapse automatically if the deadline passes without fulfilment, so diarising those dates is not optional.
• Both the buyer and the seller have obligations from the date of signing, and ignorance of a clause doesn't suspend it.
• A conveyancer reads these clauses before the situation they describe has already arisen. Reading it afterwards is usually too late to change the outcome.

What an offer to purchase must contain

A valid offer to purchase carries more than the price and the address. The document must identify the property precisely, typically by its erf number or sectional title unit number as it appears in the deeds registry, and it must state the full purchase price in figures and in words. The payment terms are significant too: whether the buyer is paying cash, applying for a bond, or using a combination of the two shapes the conditions following from there.

Beyond the fundamentals, the offer must set out the date of occupation, the voetstoots clause or its equivalent, the allocation of risk before transfer, and any inclusions or exclusions from the sale. A buyer who verbally agreed that the seller's fitted shutters were included in the deal finds nothing to enforce if the agreement is silent on them. The written document governs. As the Law Society of South Africa's guidance on conveyancing procedures confirms, the sale agreement is the foundation document on which the entire transfer process rests.

The Alienation of Land Act 68 of 1981 sets requirements for any sale of land in South Africa. A sale not complying with those requirements in writing isn't enforceable. An oral agreement on price, however clear between the parties, doesn't create a valid sale of land.

When the offer becomes binding

The moment of binding is precise. The seller's written acceptance turns a buyer's offer into a contract, and from that point both parties are bound by every clause in the document. This isn't the moment the bond is approved, not the moment transfer is lodged, and not the moment the buyer pays the deposit. It is the moment the seller countersigns.

What this means in practice is that obligations begin before most buyers expect them to. A buyer who changes their mind the day after the seller signs can't simply withdraw. The legal right to cancel depends entirely on what the agreement says. The Alienation of Land Act gives a buyer a five-day cooling-off right only where the purchase price is R250 000 or less, so most residential sales don't carry one. Neither party should assume it applies to their transaction without checking the agreement.

For the seller, acceptance is equally irreversible. Once they've signed the offer, they can't accept a better offer from another buyer unless the existing agreement contains a clause specifically providing for it, such as a 72-hour clause allowing a response to a qualifying competing offer. The sale agreement conditions determine what's possible. The parties don't.

Suspensive conditions and the deadlines attached to them

Most residential offers to purchase include at least one suspensive condition, a clause the whole sale hangs on. If the condition isn't met by its deadline, the sale lapses on its own. Nobody cancels it, nobody goes to court, and neither party is necessarily in breach. The sale simply doesn't come into existence.

The bond approval condition is the most common example. A buyer in Alberton signs an offer with a bond condition requiring approval within 21 days. The bank issues the approval on day 24. If nobody extended the deadline in writing before it passed, the sale lapsed three days before the bank acted. The seller is free to accept the next offer, even if the approval was unconditional and the buyer was ready to proceed.

This is why diarising every condition deadline is not optional. The conveyancer tracks these dates, but the buyer and seller need to know them too. Extensions to suspensive conditions must be agreed in writing before the deadline passes, not after. An extension agreed verbally after lapse doesn't revive a sale already fallen away. Any buyer reading an offer for the first time should look for the condition, its fulfilment requirement, and the date attached to it before they sign.

The deposit and what happens to it

Most offers to purchase require the buyer to pay a deposit, typically between five and ten percent of the purchase price, within a set number of days after signing. The deposit isn't paid directly to the seller. It's paid into an attorney's trust account and held there until transfer registers, at which point it's released to the seller as part of the purchase price.

The sale agreement template published by the Law Society of South Africa shows how the deposit clause typically operates, including the confirmation that the purchaser's payment obligation arises from a specific date and sits within the attorney's trust structure. The trust account arrangement protects both parties: the seller knows the buyer has committed funds, and the buyer knows those funds are held securely and not accessible to the seller before registration.

If the sale falls away because a suspensive condition wasn't met, the deposit is typically refunded in full. If the sale falls away because of a breach by the buyer, the seller may be entitled to retain it as a penalty, depending on what the agreement says. The deposit clause deserves the same attention as every other clause before signing.

Voetstoots, disclosure, and the condition of the property

Voetstoots is an Afrikaans term meaning "as is". A voetstoots clause in a sale agreement means the buyer accepts the property in its current condition, including defects the buyer didn't spot on inspection. This clause has historically protected sellers from claims about latent defects, hidden faults not visible on a reasonable inspection, as long as the seller wasn't aware of them and didn't conceal them deliberately.

The Consumer Protection Act 68 of 2008 has limited the reach of the voetstoots clause in certain transactions, particularly where the seller is a developer or someone selling in the ordinary course of business. For private sales between individuals, the clause still carries considerable force. A buyer who discovers after transfer that the roof has been leaking for two years faces a difficult claim if the agreement was voetstoots and the seller can show they disclosed nothing because they said nothing and the defect was genuinely not visible.

The practical response is a written property disclosure annexure, where the seller records known defects before signing. Where an agent facilitates the sale, the Property Practitioners Act 22 of 2019 requires property practitioners to disclose known material defects. A disclosure annexure attached to the offer creates a clear record, and any item disclosed in writing can't later be concealed behind the voetstoots clause.

Transfer duty and costs triggered by the signed agreement

Signing the offer to purchase is the event triggering your liability for transfer duty. Transfer duty is a tax paid to SARS on the acquisition of property, calculated on the purchase price or the market value, whichever is higher. SARS's Transfer Duty Guide sets out the calculation in detail, including the sliding scale of rates and the threshold below which no duty is payable. Since 1 April 2025, the first R1.21 million of the purchase price attracts no duty, and the rate increases on the amount above that threshold.

The conveyancer collects the transfer duty from the buyer and pays it to SARS before lodgement. SARS issues a receipt, and the Deeds Office won't register the transfer without it. Transfer duty isn't the only cost triggered by signing, though. The conveyancing attorney fees, calculated on the purchase price according to the guidelines published by the Law Society of South Africa, fall due as part of the transfer. The conveyancing fee guidelines are updated periodically, and the most recent revision affects what you'll be quoted for a transfer registered from mid-2025. Neither the transfer duty nor the conveyancing fee is covered by the bond. Both are payable in cash by the buyer before registration.

Illustrative transfer cost breakdown by purchase price band:

Figures are illustrative estimates only. Actual amounts depend on current SARS brackets, the applicable guideline, and VAT. Confirm with your conveyancer before budgeting.

Reading the offer before it reads you

The clauses deserving the most attention in an offer to purchase are rarely the ones the agent walks you through. The purchase price and the occupation date are straightforward. The clauses on breach, on what happens if the bond is declined, on risk before transfer, on what's included in the sale, and on how disputes are resolved are the ones determining what your remedies are if something goes wrong.

A breach clause in a typical offer gives the innocent party the right to demand performance or cancel and claim damages, but only after serving written notice and allowing a reasonable remedy period. A buyer who cancels without following that procedure may find themselves in breach rather than the seller. A seller who accepts another offer without properly cancelling the existing one faces a claim for specific performance, where a court orders the original sale to proceed on its terms.

Reading the offer with your conveyancer before signing isn't a cautious approach reserved for complex transactions. It's the ordinary standard for any buyer who doesn't want to find out what a clause means from the party seeking to enforce it. The sale agreement is the foundation document on which the transfer process rests, and the conveyancing process begins not when the file opens at the attorney's office but when the offer is signed.

What the signed document carries to transfer

A conveyancing file doesn't improve on the offer to purchase. Whatever the offer says, the transfer reflects. A clause fixing occupation to 30 days after transfer becomes an occupational rent obligation. A clause allocating risk to the buyer from date of signing means the buyer carries the insurance cost before they own anything. A clause silent on the deposit's interest means neither party has a clear entitlement to it.

The signed offer sets a route before the journey begins. The attorneys, the bank, and the Deeds Office all follow it. None of them can deviate from it without the parties' written consent, and renegotiating a clause once the transfer is underway requires both parties to cooperate in a formal amendment. Getting the document right before both parties sign is the only reliable window.

That is why small details deserve attention: the occupation date, the conditions for bond approval, who pays which costs, and what happens if a deadline is missed. Each of these will be applied exactly as written, so if the wording does not match what you agreed, change it before you sign rather than hoping it can be fixed later.

Why the document deserves more than a signature

The offer to purchase is the starting point of one of the largest financial transactions most people make. It binds both parties the moment it's accepted, sets the conditions for the transfer, and carries every one of its terms to registration. A buyer who has never done a transfer before is asked to sign a document with legal consequences running for months, sometimes longer. That's not a formality. That's a contract.

The standard of care required to read it is the same standard the courts apply when enforcing it: you signed it, so you knew what it said. Reading it with a conveyancer before signing is the only way to know the standard the courts apply and the understanding you carried into the deal are the same thing.

A useful approach is to read the offer slowly, clause by clause, and write down any question as you go. Ask what each condition requires of you, by when, and what happens if it is not met. If the answer to any of those questions is unclear, the clause needs attention before you sign, because the courts will hold you to it.

Reading the offer before you sign it

The offer to purchase arrives early in a property transaction, often before you've spoken to a conveyancer or confirmed your financing. It's also the document carrying the most consequence: every obligation, every deadline, and every remedy flows from what you signed on that day. A conveyancer reviewing the offer before you sign isn't an added cost. It's the step making every subsequent cost predictable.

Ask for that review before you sign, while every clause can still be changed by agreement.

You shouldn't have to discover what your offer committed you to at the lodgement stage. With Wilma Ewest Attorneys you won't.

Contact Wilma Ewest Attorneys to have your offer to purchase reviewed before you sign, so every clause is understood while there's still time to change it.

Most of the questions buyers and sellers have about the offer to purchase arise after it's been signed. The answers below address the questions coming up most often, covering the binding moment, the cooling-off right, and what happens when things go wrong.

Frequently Asked Questions

What makes an offer to purchase legally binding in South Africa?

An offer to purchase becomes legally binding in South Africa the moment the seller signs it to indicate acceptance, provided the document is in writing, signed by both parties, and complies with the Alienation of Land Act 68 of 1981. An oral agreement to sell land isn't enforceable, regardless of how clearly the parties understood each other. The written document governs entirely.

Once both signatures are in place, neither party can simply walk away. The buyer can't say the price no longer suits them, and the seller can't accept a higher offer without following the procedure in the agreement. The binding moment isn't the bond approval or the deposit payment; it's the countersignature. If you're uncertain whether a document you've signed constitutes a binding agreement, check whether it is in writing, signed by both parties, and identifies the property, the price, and the payment terms. If all four elements are present, you're bound. A conveyancer can confirm the position within a short consultation, and acting on that confirmation early avoids the cost of disputing it later.

Does the Consumer Protection Act give me a cooling-off period on a property offer?

The Consumer Protection Act gives buyers a five-business-day cooling-off right in certain circumstances, but the right doesn't apply universally to all property sales. It applies where the transaction qualifies as a direct marketing transaction, typically where the sale was initiated by the seller approaching the buyer unsolicited, and where the buyer is a consumer as defined in the Act. Most standard residential sales between private individuals, where the buyer approached an agent or a seller, don't meet the conditions for the cooling-off right. Separately, the Alienation of Land Act gives a buyer five days to cool off, but only where the purchase price is R250 000 or less. If you need to check whether the Act applies to a specific offer you've signed, a conveyancer can assess the circumstances quickly. Assuming the right exists and acting on it without confirming can put you in breach of a binding agreement. The distinction between a qualifying direct marketing transaction and a standard sale can turn on details the parties didn't consider when signing, which is why early legal confirmation protects you.

What happens to my offer to purchase if my bond is declined?

If your offer to purchase includes a bond approval condition and the bank declines your application before the deadline in the agreement, the condition isn't fulfilled and the sale lapses. Neither party is in breach. The deposit, if already paid, must be refunded. If the deadline passes without a decision from the bank and you haven't applied for an extension in writing, the same result follows: the condition has lapsed, and the sale falls away. A bond decline after signing doesn't automatically end your chances; some buyers renegotiate the condition or approach a different lender within a new agreement. Always confirm in writing, through your conveyancer, that a lapsed condition has brought the sale to an end before treating yourself as free to act on that assumption. Acting without that confirmation can create disputes about whether the sale was still alive when you entered a new transaction.

Can the seller accept another offer while my offer to purchase is still valid?

A seller who has signed your offer to purchase is bound by it and can't simply accept another buyer's offer without first lawfully cancelling the existing agreement. The only exception is if the agreement contains a specific clause, commonly called a 72-hour or subject-to-sale clause, allowing the seller to continue marketing the property and to give you a fixed period to waive or fulfil a remaining condition if a qualifying competing offer is received. Outside of a clause like that, the seller's obligation is to proceed with your sale. A seller who accepts a competing offer without following a lawful cancellation procedure exposes themselves to a claim for specific performance, where a court can order the original sale to proceed on its terms. If you receive notice that the seller has accepted another offer and your agreement contains no such clause, take legal advice promptly: delay can complicate the remedy available to you.