Buying Process
Expired Offer in Ontario Real Estate: What Happens Next?
Arthur Zhao · Broker · SRS · ABR · MCNE | arthurzhao.realtor · April 2026
TL;DR — KEY TAKEAWAYS
Once an offer’s irrevocable date and time passes, it legally expires — a seller cannot “accept” it after the fact. Buyers are fully released from any obligation. If both parties still want to transact, a new written offer must be submitted. Understanding this clause protects you in competitive markets and slow ones alike.
One of the most misunderstood moments in a real estate transaction is what happens when an offer expires. I’ve seen buyers assume the seller can still accept after the deadline, sellers try to “accept” hours late and expect the deal to hold, and agents miscommunicate the timeline entirely. In Ontario, the rules are clear — and knowing them gives you a real advantage at the negotiating table.
1
What Is the Irrevocable Date?
Every offer in Ontario is written on the standard Agreement of Purchase and Sale (APS) form, which includes a required field:
Irrevocable Date and Time. This is the deadline by which the seller must accept, reject, or counter your offer.
Before this deadline, the buyer cannot withdraw the offer unilaterally. After it passes, the offer automatically expires — no action is required from either side. It’s not a suggestion or a social courtesy; it’s a legally binding clause within the contract.
2
Can a Seller Accept an Expired Offer?
The short answer:
No — not in any legally binding way. If a seller signs the offer document after the irrevocable time has passed, that signature does not create a valid contract. It is merely an expression of intent by one party.
The buyer is under no obligation to proceed. They can walk away entirely, or they can use the seller’s late “acceptance” as a starting point to renegotiate fresh terms — which would require a new, properly executed offer document with both parties’ signatures within a new irrevocable window.
3
Can a Buyer Withdraw Before the Irrevocable Expires?
This surprises many
first-time buyers:
no, you generally cannot withdraw your offer before the irrevocable deadline without potential legal consequences.
During the irrevocable period, the seller has the right to accept your offer and create a binding contract at any moment. If you try to pull the offer, you could be in breach of contract and the seller may seek damages. This is why it’s critical to be certain before you sign — and why having the right buyer’s agent guiding you matters so much.
4
Counter Offers and the Time Game in Competitive Markets
When a seller counters your offer, they are issuing a brand new offer — the original is void. The counter offer has its own irrevocable date, and the roles reverse: now the seller is bound and the buyer can accept, reject, or counter back.
In Toronto’s 2026 market, many desirable properties still hold Offer Nights (multiple offers) where all buyers submit by the same deadline. If no offer is accepted that evening, every offer expires simultaneously. The next morning, it’s a clean slate — often a great opening for a calm, well-structured offer.
5
How to Set Your Offer Expiry Strategically
The irrevocable window is a negotiating tool — and most buyers underutilize it.
Standard market: Give the seller 24–48 hours. Long enough to review, short enough that they can’t shop your offer aggressively.
Offer Night: Set expiry to the night’s deadline — usually 9–11 PM. Don’t extend past the event, or sellers may use your offer as a benchmark to pressure other buyers.
Slow market: A 72–96 hour window signals confidence and seriousness, while giving you time to finalize mortgage pre-approval or solicitor review.
Important: In Ontario, all real estate agreements must be in writing to be legally enforceable. Verbal acceptances, handshakes, and text messages do not create binding contracts. Any extension of an offer, new counter, or post-expiry renegotiation must be documented in a signed written form.
Offer Timeline: From Submission to Outcome
T0
Buyer signs and submits offer — Irrevocable period begins
T1
Irrevocable deadline — buyer cannot withdraw unilaterally
Seller accepts before T1
Binding contract. Move to conditions period.
Seller counters
Original offer void. Buyer faces new offer.
T1 passes — no response
Offer expires. Buyer is free. Renegotiate fresh.
Frequently Asked Questions
Q: The seller just called to say they want to accept my expired offer. Am I obligated?
No. Once the irrevocable date passes, you have zero legal obligation. The seller’s late acceptance is not binding. You may choose to re-enter negotiations, but only on your own terms and with a new written agreement.
Q: I changed my mind an hour after submitting my offer. Can I pull it?
Not without risk. During the irrevocable window, the seller can accept at any moment and bind you to the contract. Withdrawal during this period could constitute breach of contract. Always consult your agent and a real estate lawyer before taking any action.
Q: What if my agent failed to deliver the offer in time?
If your buyer’s agent failed to transmit the offer before the irrevocable deadline, they may be liable for professional negligence under REBBA (Real Estate and Business Brokers Act). Document everything and consult RECO or a real estate lawyer if you’ve suffered a loss.
Q: On Offer Night, what happens if the seller doesn’t pick anyone?
All offers expire simultaneously at the irrevocable deadline. The listing remains active and the seller can start fresh the next day — accepting private offers or re-listing for another offer night. Buyers are free to resubmit or move on.
Q: Does “irrevocable” mean the same thing as “firm”?
No. “Irrevocable” refers to the buyer’s inability to withdraw during the window. “Firm” means the offer (or deal) has no conditions attached — like financing or inspection. A firm offer can still expire; an irrevocable offer can still have conditions.
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